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Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

Novel System for Recalcitrance Screening Will Reduce Biofuels Production Costs, The Spectrum of Clean Energy Innovation (Fact Sheet)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

This new system will allow researchers to much more rapidly screen large numbers of samples This new system will allow researchers to much more rapidly screen large numbers of samples and identify the most promising biomass feedstocks for higher efficiency and lower cost bio- fuels conversion processes. NREL will be screening thousands of variants of different biomass feedstocks to link genetic traits with environmental factors that can enhance biomass conver- sion efficiencies. Identifying the genes controlling the anatomical, chemical, and morphologi- cal features of biomass is essential to develop the next generation of low-cost, easily convert- ible biomass feedstocks. To identify superior performing biomass feedstocks using approaches that account for natural diversity and randomness, researchers must measure the cell wall chemistry and recalcitrance

2

Biomass Characterization: Recent Progress in Understanding Biomass Recalcitrance  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Reviews Reviews Biomass Characterization: Recent Progress in Understanding Biomass Recalcitrance Marcus Foston and Arthur J. Ragauskas BioEnergy Science Center, School of Chemistry and Biochemistry, Institute of Paper Science and Technology, Georgia Institute of Technology, Atlanta, GA Abstract The ever-increasing global demand for energy and materials has a pronounced effect on worldwide economic stability, diplomacy, and technical advancement. In response, a recent key research area in bio- technology has centered on the biological conversion of lignocellulosic biomass to simple sugars. Lignocellulosic biomass, converted to fer- mentable sugars via enzymatic hydrolysis of cell wall polysaccharides, can be utilized to generate a variety of downstream fuels and chemicals. Ethanol, in particular, has a high potential as transportation fuel to supplement or even replace

3

Sandia National Laboratories: Lignocellulosic Biomass  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

ProgramLignocellulosic Biomass Lignocellulosic Biomass It is estimated that there is over 1 billion tons of non-food lignocellulosic biomass currently available on a sustainable...

4

New lignocellulose pretreatments using cellulose solvents: a review  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Received: Received: 7 September 2012 Accepted: 13 September 2012 Published online in Wiley Online Library: (wileyonlinelibrary.com) DOI 10.1002/jctb.3959 New lignocellulose pretreatments using cellulose solvents: a review Noppadon Sathitsuksanoh, a† Anthe George b,c and Y-H Percival Zhang a,d,e∗ Abstract Non-food lignocellulosic biomass is the most abundant renewable bioresource as a collectable, transportable, and storable chemical energy that is far from fully utilized. The goal of biomass pretreatment is to improve the enzymatic digestibility of pretreated lignocellulosic biomass. Many substrate factors, such as substrate accessibility, lignin content, particle size and so on, contribute to its recalcitrance. Cellulose accessibility to hydrolytic enzymes is believed to be the most important substrate characteristic limiting enzymatic hydrolysis. Cellulose

5

Development of a system for characterizing biomass quality of lignocellulosic feedstocks for biochemical conversion.  

E-Print Network [OSTI]

??The purpose of this research was twofold: (i) to develop a system for screening lignocellulosic biomass feedstocks for biochemical conversion to biofuels and (ii) to (more)

Murphy, Patrick Thomas

2009-01-01T23:59:59.000Z

6

Ethanol production from lignocellulose  

DOE Patents [OSTI]

This invention presents a method of improving enzymatic degradation of lignocellulose, as in the production of ethanol from lignocellulosic material, through the use of ultrasonic treatment. The invention shows that ultrasonic treatment reduces cellulase requirements by 1/3 to 1/2. With the cost of enzymes being a major problem in the cost-effective production of ethanol from lignocellulosic material, this invention presents a significant improvement over presently available methods.

Ingram, Lonnie O. (Gainesville, FL); Wood, Brent E. (Gainesville, FL)

2001-01-01T23:59:59.000Z

7

High-Throughput Pretreatment and Hydrolysis Systems for Screening Biomass Species in Aqueous Pretreatment of Plant Biomass  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

High-throughput High-throughput Pretreatment and Hydrolysis Systems for Screening Biomass Species in Aqueous Pretreatment of Plant Biomass Jaclyn D. DeMartini 1,2,3,Ã and Charles E. Wyman 1,2,3 1 Department of Chemical and Environmental Engineering, University of California, Riverside, USA 2 Center for Environmental Research and Technology, University of California, Riverside, USA 3 BioEnergy Science Center, Oak Ridge, USA 22.1 Introduction: The Need for High-throughput Technologies The primary barrier to low-cost biological conversion of lignocellulosic biomass to renewable fuels and chemicals is plant recalcitrance, that is to say, resistance of cell walls to deconstruction by enzymes or microbes [1,2]. However, the discovery and use of biomass species with reduced recalcitrance, when com- bined with optimized pretreatment processes and enzyme mixtures, could potentially

8

Prehydrolysis of lignocellulose  

DOE Patents [OSTI]

The invention relates to the prehydrolysis of lignocellulose by passing an acidic or alkaline solution through solid lignocellulosic particles with removal of soluble components as they are formed. The technique permits a less severe combination of pH, temperature and time than conventional prehydrolysis. Furthermore, greater extraction of both hemicellulose and lignin occurs simultaneously in the same reactor and under the same conditions.

Torget, Robert W. (Littleton, CO); Kadam, Kiran L. (Golden, CO); Hsu, Teh-An (Golden, CO); Philippidis, George P. (Highlands Ranch, CO); Wyman, Charles E. (Lakewood, CO)

1996-01-01T23:59:59.000Z

9

Prehydrolysis of lignocellulose  

DOE Patents [OSTI]

The invention relates to the prehydrolysis of lignocellulose by passing an acidic or alkaline solution through solid lignocellulosic particles with removal of soluble components as they are formed. The technique permits a less severe combination of pH, temperature and time than conventional prehydrolysis. Furthermore, greater extraction of both hemicellulose and lignin occurs simultaneously in the same reactor and under the same conditions.

Torget, Robert W. (Littleton, CO); Kadam, Kiran L. (Golden, CO); Hsu, Teh-An (Golden, CO); Philippidis, George P. (Highlands Ranch, CO); Wyman, Charles E. (Lakewood, CO)

1998-01-01T23:59:59.000Z

10

Prehydrolysis of lignocellulose  

DOE Patents [OSTI]

The invention relates to the prehydrolysis of lignocellulose by passing an acidic or alkaline solution through solid lignocellulosic particles with removal of soluble components as they are formed. The technique permits a less severe combination of pH, temperature and time than conventional prehydrolysis. Furthermore, greater extraction of both hemicellulose and lignin occurs simultaneously in the same reactor and under the same conditions.

Torget, Robert W. (Littleton, CO); Kadam, Kiran L. (Golden, CO); Hsu, Teh-An (Golden, CO); Philippidis, George P. (Highlands Ranch, CO); Wyman, Charles E. (Lakewood, CO)

1995-01-01T23:59:59.000Z

11

Identify Molecular Structural Features of Biomass Recalcitrance Using Nondestructive Microscopy and Spectroscopy  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Identify Molecular Structural Features of Biomass Recalcitrance Using Non- Identify Molecular Structural Features of Biomass Recalcitrance Using Non- destructive Microscopy and Spectroscopy Shi-You Ding 1 , Mike Himmel 1 , Sunney X. Xie 2 1 National Renewable Energy Laboratory, Golden, CO 2 Harvard University, Cambridge, MA Lignocellulosic biomass has long been recognized as a potential sustainable source of mixed sugars for fermentation to fuels and other bio-based products. However, the chemical and enzymatic conversion processes developed during the past 80 years are inefficient and expensive. The inefficiency of these processes is in part due to the lack of knowledge about the structure of biomass itself; the plant cell wall is indeed a complex nano-composite material at the molecular and nanoscales. Current processing strategies have been derived empirically, with

12

Prehydrolysis of lignocellulose  

DOE Patents [OSTI]

The invention relates to the prehydrolysis of lignocellulose by passing an acidic or alkaline solution through solid lignocellulosic particles with removal of soluble components as they are formed. The technique permits a less severe combination of pH, temperature and time than conventional prehydrolysis. Furthermore, greater extraction of both hemicellulose and lignin occurs simultaneously in the same reactor and under the same conditions. 7 figs.

Torget, R.W.; Kadam, K.L.; Hsu, T.A.; Philippidis, G.P.; Wyman, C.E.

1995-06-13T23:59:59.000Z

13

Prehydrolysis of lignocellulose  

DOE Patents [OSTI]

The invention relates to the prehydrolysis of lignocellulose by passing an acidic or alkaline solution through solid lignocellulosic particles with removal of soluble components as they are formed. The technique permits a less severe combination of pH, temperature and time than conventional prehydrolysis. Furthermore, greater extraction of both hemicellulose and lignin occurs simultaneously in the same reactor and under the same conditions. 7 figs.

Torget, R.W.; Kadam, K.L.; Hsu, T.A.; Philippidis, G.P.; Wyman, C.E.

1998-01-06T23:59:59.000Z

14

Prehydrolysis of lignocellulose  

DOE Patents [OSTI]

The invention relates to the prehydrolysis of lignocellulose by passing an acidic or alkaline solution through solid lignocellulosic particles with removal of soluble components as they are formed. The technique permits a less severe combination of pH, temperature and time than conventional prehydrolysis. Furthermore, greater extraction of both hemicellulose and lignin occurs simultaneously in the same reactor and under the same conditions. 7 figs.

Torget, R.W.; Kadam, K.L.; Hsu, T.A.; Philippidis, G.P.; Wyman, C.E.

1996-04-02T23:59:59.000Z

15

Sandia National Laboratories: lignocellulosic biofuels  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

lignocellulosic biofuels Sandia Video Featured by DOE Bioenergy Technologies Office On December 10, 2014, in Biofuels, Biomass, Capabilities, Energy, Facilities, JBEI, News, News &...

16

Screening  

Broader source: Energy.gov [DOE]

Screening is typically performed by an outside party or an independent renewable energy expert or team. It is a review of the possible technology options that identifies dead-ends and further...

17

Cellulosic Biofuels: Importance, Recalcitrance, and Pretreatment  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Cellulosic Cellulosic Biofuels: Importance, Recalcitrance, and Pretreatment Lee Lynd 1,2 and Mark Laser 1 1 Thayer School of Engineering, Dartmouth College, Hanover, USA 2 BioEnergy Science Center, Oak Ridge, USA 2.1 Our Place in History The two most profound societal transformations in history have been spawned by radical shifts in human- kind's use of natural resources. The agricultural revolution, which spanned about two millennia beginning around 4000 BC, saw hunter-gatherer societies subsisting on wild plants and animals being largely dis- placed by those cultivating the land to produce crops and domesticated livestock. The industrial revolution followed, beginning around 1700 and lasting roughly two hundred years, during which time preindustrial agricultural societies gave way to those harnessing precious metals and fossil energy to develop sophisti- cated economies centered

18

Investigating plant cell wall components that affect biomass recalcitrance in poplar and switchgrass  

E-Print Network [OSTI]

recalcitrance or when designing processing conditions to efficiently convert a specific biomass feedstock

California at Riverside, University of

19

Plant Biomass and Mechanisms of Recalcitrance Activity Lead: Debra Mohnen  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Biomass and Mechanisms of Recalcitrance Activity Biomass and Mechanisms of Recalcitrance Activity Lead: Debra Mohnen 1.2 Cell Wall Synthesis and Mechanisms of Recalcitrance Activity Lead: Al Darvill TASK 1. Nucleotide-sugar/polysaccharide domain - Bar-Peled TASK 2. Cellulose domain - Kalluri TASK 3. Xylan and other hermiceluloses domain - York TASK 4. Pectin domain - Mohnen TASK 5. APAP1 domain - Tan TASK 6. Lignin domain - Dixon TASK 7. Transcription factor domain - Dixon TASK 8. Cellular/subcellular localization domain - Hahn 1.2.1: Cell Wall Synthesis and Mechanisms of Recalcitrance Activity (Darvill) 1.1 TOP and Elite Populus and Switchgrass and System Analysis Lead: Tuskan / Dixon 1.1.2: TOP and Elite Line Analysis Platform and Protocols (Nelson) 1.1.1: Selection of the TOP Populus and Switchgrass Lines

20

BETO Webinar: Computational Studies of Lignocellulose Deconstruction  

Broader source: Energy.gov [DOE]

Dr. Gnanakaran of Los Alamos National Laboratory (LANL) presented LANL's molecular research on lignocellulose on April 15, 2013, at the Bioenergy Technologies Office's webinar series.

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

SSF Experimental Protocols -- Lignocellulosic Biomass Hydrolysis...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

SSF Experimental Protocols - Lignocellulosic Biomass Hydrolysis and Fermentation Laboratory Analytical Procedure (LAP) Issue Date: 10302001 N. Dowe and J. McMillan Technical...

22

Enzymatic Saccharification of Lignocellulosic Biomass: Laboratory...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Enzymatic Saccharification of NRELTP-510-42629 Lignocellulosic Biomass March 2008 Laboratory Analytical Procedure (LAP) Issue Date: 3212008 M. Selig, N. Weiss, and Y. Ji NREL is...

23

Large-scale fuel ethanol from lignocellulose  

Science Journals Connector (OSTI)

Ethanol produced from lignocellulose is considered as a ... foreseeable technology. These are: conversion and production energy balances, suitability of ethanol as a transportation fuel, air quality impacts, raw ...

Lee R. Lynd

24

Lignocellulosic Biomass to Ethanol Process Design and Economics...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Lignocellulosic Biomass to Ethanol Process Design and Economics Utilizing Co-Current Dilute Acid Prehydrolysis and Enzymatic Hydrolysis For Corn Stover Lignocellulosic Biomass to...

25

RESEARCH Open Access Agave proves to be a low recalcitrant  

E-Print Network [OSTI]

is well known for tequila and other liquor production in Mexico, has recently gained attention because of its attractive potential to launch sustainable bioenergy feedstock solutions for semi-arid and arid of studying agave's low recalcitrance for developments in improving cellulosic energy crops. Keywords: Agave

California at Riverside, University of

26

Cellulase-lignin interactions in the enzymatic hydrolysis of lignocellulose.  

E-Print Network [OSTI]

??Lignin, a major non-carbohydrate polymer in lignocellulosic plant biomass, restricts the action of hydrolytic enzymes in the enzymatic hydrolysis of lignocellulosic feedstocks. Non-productive enzyme adsorption (more)

Rahikainen, Jenni

2013-01-01T23:59:59.000Z

27

Development of a commercial enzymes system for lignocellulosic biomass saccharification  

SciTech Connect (OSTI)

DSM Innovation Inc., in its four year effort was able to evaluate and develop its in-house DSM fungal cellulolytic enzymes system to reach enzyme efficiency mandates set by DoE Biomass program MYPP goals. DSM enzyme cocktail is uniquely active at high temperature and acidic pH, offering many benefits and product differentiation in 2G bioethanol production. Under this project, strain and process development, ratio optimization of enzymes, protein and genetic engineering has led to multitudes of improvement in productivity and efficiency making development of a commercial enzyme system for lignocellulosic biomass saccharification viable. DSM is continuing further improvement by additional biodiversity screening, protein engineering and overexpression of enzymes to continue to further lower the cost of enzymes for saccharification of biomass.

Manoj Kumar

2012-12-20T23:59:59.000Z

28

Simultaneous consumption of pentose and hexose sugars: an optimal microbial phenotype for efficient fermentation of lignocellulosic biomass  

E-Print Network [OSTI]

bacteria for lignocellulosic biomass utilization CCR forfermentation of lignocellulosic biomass Jae-Han Kim & DavidAbstract Lignocellulosic biomass is an attractive carbon

Kim, Jae-Han; Block, David E.; Mills, David A.

2010-01-01T23:59:59.000Z

29

Catalytic fast pyrolysis of lignocellulosic biomass  

SciTech Connect (OSTI)

Increasing energy demand, especially in the transportation sector, and soaring CO2 emissions necessitate the exploitation of renewable sources of energy. Despite the large variety of new energy Q3 carriers, liquid hydrocarbon still appears to be the most attractive and feasible form of transportation fuel taking into account the energy density, stability and existing infrastructure. Biomass is an abundant, renewable source of energy; however, utilizing it in a cost-effective way is still a substantial challenge. Lignocellulose is composed of three major biopolymers, namely cellulose, hemicellulose and lignin. Fast pyrolysis of biomass is recognized as an efficient and feasible process to selectively convert lignocellulose into a liquid fuelbio-oil. However bio-oil from fast pyrolysis contains a large amount of oxygen, distributed in hundreds of oxygenates. These oxygenates are the cause of many negative properties, such as low heating values, high corrosiveness, high viscosity, and instability; they also greatly Q4 limit the application of bio-oil particularly as transportation fuel. Hydrocarbons derived from biomass are most attractive because of their high energy density and compatibility with the existing infrastructure. Thus, converting lignocellulose into transportation fuels via catalytic fast pyrolysis has attracted much attention. Many studies related to catalytic fast pyrolysis of biomass have been published. The main challenge of this process is the development of active and stable catalysts that can deal with a large variety of decomposition intermediates from lignocellulose. This review starts with the current understanding of the chemistry in fast pyrolysis of lignocellulose and focuses on the development of catalysts in catalytic fast pyrolysis. Recent progress in the experimental studies on catalytic fast pyrolysis of biomass is also summarized with the emphasis on bio-oil yields and quality.

Liu, Changjun; Wang, Huamin; Karim, Ayman M.; Sun, Junming; Wang, Yong

2014-11-21T23:59:59.000Z

30

Process Design and Economics for the Conversion of Lignocellulosic...  

Broader source: Energy.gov (indexed) [DOE]

Process Design and Economics for the Conversion of Lignocellulosic Biomass to Hydrocarbons: Dilute-Acid and Enzymatic Deconstruction of Biomass to Sugars and Biological Conversion...

31

Hydrolysis and fractionation of lignocellulosic biomass  

DOE Patents [OSTI]

A multi-function process is described for the hydrolysis and fractionation of lignocellulosic biomass to separate hemicellulosic sugars from other biomass components such as extractives and proteins; a portion of the solubilized lignin; cellulose; glucose derived from cellulose; and insoluble lignin from said biomass comprising one or more of the following: optionally, as function 1, introducing a dilute acid of pH 1.0-5.0 into a continual shrinking bed reactor containing a lignocellulosic biomass material at a temperature of about 94 to about 160.degree. C. for a period of about 10 to about 120 minutes at a volumetric flow rate of about 1 to about 5 reactor volumes to effect solubilization of extractives, lignin, and protein by keeping the solid to liquid ratio constant throughout the solubilization process; as function 2, introducing a dilute acid of pH 1.0-5.0, either as virgin acid or an acidic stream from another function, into a continual shrinking bed reactor containing either fresh biomass or the partially fractionated lignocellulosic biomass material from function 1 at a temperature of about 94-220.degree. C. for a period of about 10 to about 60 minutes at a volumetric flow rate of about 1 to about 5 reactor volumes to effect solubilization of hemicellulosic sugars, semisoluble sugars and other compounds, and amorphous glucans by keeping the solid to liquid ratio constant throughout the solubilization process; as function 3, optionally, introducing a dilute acid of pH 1.0-5.0 either as virgin acid or an acidic stream from another function, into a continual shrinking bed reactor containing the partially fractionated lignocellulosic biomass material from function 2 at a temperature of about 180-280.degree. C. for a period of about 10 to about 60 minutes at a volumetric flow rate of 1 to about 5 reactor volumes to effect solubilization of cellulosic sugars by keeping the solid to liquid ratio constant throughout the solubilization process; and as function 4, optionally, introducing a dilute acid of pH 1.0-5.0 either as virgin acid or an acidic stream from another function, into a continual shrinking bed reactor containing the partially fractionated lignocellulosic biomass material from function 3 at a temperature of about 180-280.degree. C. for a period of about 10 to about 60 minutes at a volumetric flow rate of about 1 to about 5 reactor volumes to effect solubilization of cellulosic sugars by keeping the solid to liquid ratio constant throughout the solubilization process.

Torget, Robert W. (Littleton, CO); Padukone, Nandan (Denver, CO); Hatzis, Christos (Denver, CO); Wyman, Charles E. (Lakewood, CO)

2000-01-01T23:59:59.000Z

32

Mass and Energy Balances of Wet Torrefaction of Lignocellulosic Biomass  

Science Journals Connector (OSTI)

Mass and Energy Balances of Wet Torrefaction of Lignocellulosic Biomass ... Wet torrefaction is a pretreatment process to convert biomass to energy-dense solid fuel, with relatively uniform handling characteristics. ... A wealth of research have been conducted in the wet torrefaction of lignocellulosic biomass,(5-9) but relatively few address the comprehensive mass and energy balance involved in the wet torrefaction. ...

Wei Yan; Jason T. Hastings; Tapas C. Acharjee; Charles J. Coronella; Victor R. Vsquez

2010-02-10T23:59:59.000Z

33

EA-1628: Construction and Operation of a Proposed Lignocellulosic  

Broader source: Energy.gov (indexed) [DOE]

628: Construction and Operation of a Proposed Lignocellulosic 628: Construction and Operation of a Proposed Lignocellulosic Biorefinery, Emmetsburg, Iowa EA-1628: Construction and Operation of a Proposed Lignocellulosic Biorefinery, Emmetsburg, Iowa SUMMARY This EA evaluated the potential environmental impacts of a DOE proposal to provide financial assistance (the Proposed Action) to POET Project LIBERTY, LLC (POET) for the construction and operation of the lignocellulosic ethanol production facility (Project LIBERTY) near the City of Emmetsburg, Iowa. PUBLIC COMMENT OPPORTUNITIES None available at this time. DOCUMENTS AVAILABLE FOR DOWNLOAD September 29, 2008 EA-1628: Finding of No Significant Impact Construction and Operation of a Proposed Lignocellulosic Biorefinery, POET Project LIBERTY, LLC, Emmetsburg, Iowa September 29, 2008

34

Cellulose solvent- and organic solvent-based lignocellulose fractionation enabled efficient sugar release from a variety of lignocellulosic feedstocks  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Cellulose solvent- and organic solvent-based lignocellulose fractionation ena- Cellulose solvent- and organic solvent-based lignocellulose fractionation ena- bled efficient sugar release from a variety of lignocellulosic feedstocks Noppadon Sathitsuksanoh, Zhiguang Zhu, Y.-H. Percival Zhang PII: S0960-8524(12)00712-2 DOI: http://dx.doi.org/10.1016/j.biortech.2012.04.088 Reference: BITE 9966 To appear in: Bioresource Technology Received Date: 29 February 2012 Revised Date: 21 April 2012 Accepted Date: 21 April 2012 Please cite this article as: Sathitsuksanoh, N., Zhu, Z., Percival Zhang, Y.-H., Cellulose solvent- and organic solvent- based lignocellulose fractionation enabled efficient sugar release from a variety of lignocellulosic feedstocks, Bioresource Technology (2012), doi: http://dx.doi.org/10.1016/j.biortech.2012.04.088 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers

35

Energy Requirement for Lignocellulosic Feedstock Densifications in Relation to Particle Physical Properties, Preheating, and Binding  

E-Print Network [OSTI]

: The low bulk density and low flowability of lignocellulosic biomass feedstock have been regarded widely

36

(Biotechnology for the conversion of lignocellulosics)  

SciTech Connect (OSTI)

This report summarizes the results of the traveler's participation in the International Energy Agency (IEA) Network planning meeting for Biotechnology for the Conversion of Lignocellulosics,'' held at the Institut Francais du Petrole (IFP), Rueil-Malmaison, France. It also summarizes the results of discussions held at Aston University, Birmingham, UK, with Dr. Martin Beevers with whom the traveler is attempting to initiate a collaborative research project that will be beneficial to ongoing research programs at Oak Ridge National Laboratory (ORNL). The itinerary for the trip is given in Appendix A; the names of the people contacted are listed in Appendix B. Also, pertinent information about the Institut Francais du Petrole is attached (Appendix C). 1 tab.

Woodward, J.

1990-10-25T23:59:59.000Z

37

Developing genome-enabled sustainable lignocellulosic biofuels technologies  

E-Print Network [OSTI]

Developing genome-enabled sustainable lignocellulosic biofuels technologies Timothy Donohue a technically advanced biofuels industry that is economically & environmentally sustainable." [GLBRC Roadmap sugars, lignin content, etc.) Cellulosic Biofuels "Opportunities & Challenges" 5 #12;Variable Composition

38

Microfluidic Glycosyl Hydrolase Screening for Biomass-to-Biofuel Conversion  

E-Print Network [OSTI]

Microfluidic Glycosyl Hydrolase Screening for Biomass-to-Biofuel Conversion Rajiv Bharadwaj such as cellulases and hemicellulases is a limiting and costly step in the conversion of biomass to biofuels. Lignocellulosic (LC) biomass is an abundant and potentially carbon-neutral resource for production of biofuels

Singh, Anup

39

Assembly of Xylanases into Designer Cellulosomes Promotes Efficient Hydrolysis of the Xylan Component of a Natural Recalcitrant Cellulosic Substrate  

Science Journals Connector (OSTI)

...Cellulosomes Promotes Efficient Hydrolysis of the Xylan Component of a Natural Recalcitrant Cellulosic...cellulosomes promotes efficient hydrolysis of the xylan component of a natural recalcitrant cellulosic...hemicelluloses, a major component of which is xylan. In order to enhance enzymatic degradation...

Sarah Moras; Yoav Barak; Yitzhak Hadar; David B. Wilson; Yuval Shoham; Raphael Lamed; Edward A. Bayer

2011-12-01T23:59:59.000Z

40

Fundamental study of structural features affecting enzymatic hydrolysis of lignocellulosic biomass  

E-Print Network [OSTI]

Lignocellulose is a promising and valuable alternative energy source. Native lignocellulosic biomass has limited accessibility to cellulase enzyme due to structural features; therefore, pretreatment is an essential prerequisite to make biomass...

Zhu, Li

2006-10-30T23:59:59.000Z

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Design and construction of modular genetic devices and the enzymatic hydrolysis of lignocellulosic biomass  

E-Print Network [OSTI]

The enzymatic deconstruction of lignocellulosic plant biomass is performed by specialist microbial species. It is a ubiquitous process within nature and central to the global recycling of carbon and energy. Lignocellulose ...

Barnard, Damian Kelly

2012-11-29T23:59:59.000Z

42

Changes in composition and sugar release across the annual rings of Populus wood and implications on recalcitrance  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

composition composition and sugar release across the annual rings of Populus wood and implications on recalcitrance Jaclyn D. DeMartini, Charles E. Wyman ⇑ Center for Environmental Research and Technology, Bourns College of Engineering, University of California Riverside, 1084 Columbia Avenue, Riverside, CA 92507, United States a r t i c l e i n f o Article history: Received 9 July 2010 Received in revised form 30 August 2010 Accepted 31 August 2010 Available online xxxx Keywords: Pretreatment Enzymatic hydrolysis Biomass recalcitrance Age effects Populus wood a b s t r a c t Understanding structural characteristics that are responsible for biomass recalcitrance by identifying why it is more difficult for some plants, or portions of plants, to release their sugars would be extremely valuable in overcoming this barrier. With this in mind, this study investigated the recalcitrance of wood

43

Investigating Commercial Cellulase Performances Toward Specific Biomass Recalcitrance Factors Using Reference Substrates  

SciTech Connect (OSTI)

Three commercial cellulase preparations, Novozymes Cellic Ctec2, Dupont Accellerase 1500, and DSM Cytolase CL, were evaluated for their hydrolytic activity using a set of reference biomass substrates with controlled substrate characteristics. It was found that lignin remains a significant recalcitrance factor to all the preparations, although different enzyme preparations respond to the inhibitory effect of lignin differently. Also, different types of biomass lignin can inhibit cellulose enzymes in different manners. Enhancing enzyme activity toward biomass fiber swelling is an area significantly contributing to potential improvement in cellulose performance. While the degree of polymerization of cellulose in the reference substrates did not present a major recalcitrance factor to Novozymes Cellic Ctec2, cellulose crystallite has been shown to have a significant lower reactivity toward all enzyme mixtures. The presence of polysaccharide monooxygenases (PMOs) in Novozymes Ctec2 appears to enhance enzyme activity toward decrystallization of cellulose. This study demonstrated that reference substrates with controlled chemical and physical characteristics of structural features can be applied as an effective and practical strategy to identify cellulosic enzyme activities toward specific biomass recalcitrance factor(s) and provide specific targets for enzyme improvement.

Ju, Xiaohui; Bowden, Mark E.; Engelhard, Mark H.; Zhang, Xiao

2014-04-01T23:59:59.000Z

44

Comparative Study of Corn Stover Pretreated by Dilute Acid and Cellulose Solvent-Based Lignocellulose Fractionation: Enzymatic Hydrolysis, Supramolecular Structure, and Substrate Accessibility  

SciTech Connect (OSTI)

Liberation of fermentable sugars from recalcitrant biomass is among the most costly steps for emerging cellulosic ethanol production. Here we compared two pretreatment methods (dilute acid, DA, and cellulose solvent and organic solvent lignocellulose fractionation, COSLIF) for corn stover. At a high cellulase loading [15 filter paper units (FPUs) or 12.3 mg cellulase per gram of glucan], glucan digestibilities of the corn stover pretreated by DA and COSLIF were 84% at hour 72 and 97% at hour 24, respectively. At a low cellulase loading (5 FPUs per gram of glucan), digestibility remained as high as 93% at hour 24 for the COSLIF-pretreated corn stover but reached only {approx}60% for the DA-pretreated biomass. Quantitative determinations of total substrate accessibility to cellulase (TSAC), cellulose accessibility to cellulase (CAC), and non-cellulose accessibility to cellulase (NCAC) based on adsorption of a non-hydrolytic recombinant protein TGC were measured for the first time. The COSLIF-pretreated corn stover had a CAC of 11.57 m{sup 2}/g, nearly twice that of the DA-pretreated biomass (5.89 m{sup 2}/g). These results, along with scanning electron microscopy images showing dramatic structural differences between the DA- and COSLIF-pretreated samples, suggest that COSLIF treatment disrupts microfibrillar structures within biomass while DA treatment mainly removes hemicellulose. Under the tested conditions COSLIF treatment breaks down lignocellulose structure more extensively than DA treatment, producing a more enzymatically reactive material with a higher CAC accompanied by faster hydrolysis rates and higher enzymatic digestibility.

Zhu, Z.; Sathitsuksanoh, N.; Vinzant, T.; Schell, D. J.; McMillian, J. D.; Zhang, Y. H. P.

2009-07-01T23:59:59.000Z

45

Engineered microbial systems for enhanced conversion of lignocellulosic biomass  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

752; 752; NO. OF PAGES 6 Please cite this article in press as: Elkins JG, et al. Engineered Q1microbial systems for enhanced conversion of lignocellulosic biomass, Curr Opin Biotechnol (2010), doi:10.1016/ j.copbio.2010.05.008 Available online at www.sciencedirect.com Engineered microbial systems for enhanced conversion of lignocellulosic biomass James G Elkins, Babu Raman and Martin Keller In order for plant biomass to become a viable feedstock for meeting the future demand for liquid fuels, efficient and cost- effective processes must exist to breakdown cellulosic materials into their primary components. A one-pot conversion strategy or, consolidated bioprocessing, of biomass into ethanol would provide the most cost-effective route to renewable fuels and the realization of this technology is being actively pursued by both multi-disciplinary research centers and

46

Why sequence genome closure of lignocellulosic degrader Verrucomicrobium  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

genome closure of lignocellulosic genome closure of lignocellulosic degrader Verrucomicrobium sp. strain TAV2? Wood-feeding termites have microbial communities in their guts that are capable of converting cellulose and hemicellulose into sugars, hydrogen and methane. They can break down as much as a billion tons of raw plant biomass annually, and are of interest to bioenergy researchers hoping to harness these abilities for commercial biofuel production. To better understand the interactions and roles within the gut microbial community, the project focuses on sequencing a Termite Associated Verrucomicrobium (TAV) bacterial strain of Verrucomicrobium known as TAV2. Members of the Verrucomicrobia phylum are found in a number of environments both in water and in soils. As members of the soil microbial community,

47

Flow-through biological conversion of lignocellulosic biomass  

DOE Patents [OSTI]

The present invention is directed to a process for biologically converting carbohydrates from lignocellulosic biomass comprising the steps of: suspending lignocellulosic biomass in a flow-through reactor, passing a reaction solution into the reactor, wherein the solution is absorbed into the biomass substrate and at least a portion of the solution migrates through said biomass substrate to a liquid reservoir, recirculating the reaction solution in the liquid reservoir at least once to be absorbed into and migrate through the biomass substrate again. The biological converting of the may involve hydrolyzing cellulose, hemicellulose, or a combination thereof to form oligosaccharides, monomelic sugars, or a combination thereof; fermenting oligosaccharides, monomelic sugars, or a combination thereof to produce ethanol, or a combination thereof. The process can further comprise removing the reaction solution and processing the solution to separate the ethanol produced from non-fermented solids.

Herring, Christopher D.; Liu, Chaogang; Bardsley, John

2014-07-01T23:59:59.000Z

48

Co-Solvent Enhanced Production of Platform Fuel Precursors From Lignocellulosic Biomass.  

E-Print Network [OSTI]

??Lignocellulosic biomass is the most abundant source of organic carbon on Earth with the highest potential to economically and sustainably replace fossil resources for large-scale (more)

Cai, Charles Miao-Zi

2014-01-01T23:59:59.000Z

49

Co-Solvent Enhanced Production of Platform Fuel Precursors From Lignocellulosic Biomass  

E-Print Network [OSTI]

Ethanol from Cellulosic Biomass." Science 251, no. 4999 (Ethanol from Cellulosic Biomass." Science 251, no. 4999 (from Lignocellulosic Biomass." Energy & Environmental

Cai, Charles Miao-Zi

2014-01-01T23:59:59.000Z

50

Forest Biomass and Lignocellulosic Materials Forest-derived biopolymers lignin and cellulose  

E-Print Network [OSTI]

Forest Biomass and Lignocellulosic Materials Forest-derived biopolymers lignin and cellulose of sustainable products such as nanocellulose and biocomposites from forest biomass; biorefining to develop high

Li, Mo

51

Novel multispecies microbial consortia involved in lignocellulose and 5-hydroxymethylfurfural bioconversion  

Science Journals Connector (OSTI)

To develop a targeted metagenomics approach for the analysis of novel multispecies microbial consortia involved in the bioconversion of lignocellulose and furanic compounds, we applied replicated sequential ba...

Diego Javier Jimnez; Elisa Korenblum

2014-03-01T23:59:59.000Z

52

Pervaporation behavior and integrated process for concentrating lignocellulosic ethanol through polydimethylsiloxane (PDMS) membrane  

Science Journals Connector (OSTI)

The effects of by-products from ethanol fermentation and hydrolysates of lignocelluloses on ethanol diffusion through polydimethylsiloxane (PDMS) membranes with/ ... that yeasts, solid particles, and salts increa...

Jingwen Chen; Hongman Zhang; Ping Wei; Lin Zhang

2014-02-01T23:59:59.000Z

53

Predictive Models of Biohydrogen and Biomethane Production Based on the Compositional and Structural Features of Lignocellulosic Materials  

Science Journals Connector (OSTI)

Predictive Models of Biohydrogen and Biomethane Production Based on the Compositional and Structural Features of Lignocellulosic Materials ...

Florian Monlau; Cecilia Sambusiti; Abdellatif Barakat; Xin Mei Guo; Eric Latrille; Eric Trably; Jean-Philippe Steyer; Hlne Carrere

2012-10-10T23:59:59.000Z

54

Understanding Free and Complexed Enzyme Mechanisms and Factors Contributing to Cell Wall Recalcitrance (Presentation)  

SciTech Connect (OSTI)

Fungal free enzymes and bacterial complexed cellulosomes deconstruct biomass using different physical mechanisms. Free enzymes, which typically contain a large proportion of GH7 cellobiohydrolase, diffuse throughout the substrate and hydrolyze primarily from the cellulose reducing end, resulting in 'sharpened' macrofibrils. In contrast, complexed cellulosomes contain a diverse array of carbohydrate binding modules and multiple catalytic specificities leading to delamination and physical peeling of the cellulose macrofibril structures. To investigate how cellulose structure contributes to recalcitrance, we compared the deconstruction of cellulose I, II, and III; using free and complexed enzyme systems. We also evaluated both systems on Clean Fractionation and alkaline pretreated biomass, which remove much of the lignin, to determine the impact on enzyme loading reduction. Free fungal enzymes demonstrated a swelling of the outer surface of the plant cell walls while removing localized disruptions, resulting in a smooth surface appearance. Cellulosomes produced cell wall surfaces with localized areas of disruption and little surface layer swelling. These studies contribute to the overall understanding of biomass recalcitrance and how combining different enzymatic paradigms may lead to the formulation of new enzyme cocktails to reduce the cost of producing sugars from plant cell wall carbohydrates.

Resch, M.; Donohoe, B.; Katahira, R.; Ashutosh, M.; Beckham, G.; Himmel, M.; Decker, S.

2014-04-01T23:59:59.000Z

55

Size Reduction and Densification of Lignocellulosic Biomass Feedstock for Biopower, Bioproducts, and  

E-Print Network [OSTI]

Size Reduction and Densification of Lignocellulosic Biomass Feedstock for Biopower, Bioproducts reduction and densification of lignocellulosic biomass feedstock play a crucial role in the preprocessing and supply of biomass. Size reduction is an operation where the size distribution of biomass particles

56

17th European Biomass Conference and Exhibition 2009, Hamburg, Germany Lignocellulosic Ethanol: The Path to Market  

E-Print Network [OSTI]

17th European Biomass Conference and Exhibition 2009, Hamburg, Germany Lignocellulosic Ethanol of transport fuels from biomass is essential if the EU aspiration to substitute 10% of transport fuels investment in R&D in the US, Europe and Asia. The production of ethanol from lignocellulosic biomass

57

Paper 2H-03, in: A.R. Gavaskar and A.S.C. Chen (Eds.), Remediation of Chlorinated and Recalcitrant Compounds--2002. Proceedings of the Third International Conference on Remediation of Chlorinated and Recalcitrant Compounds (Monterey,  

E-Print Network [OSTI]

Paper 2H-03, in: A.R. Gavaskar and A.S.C. Chen (Eds.), Remediation of Chlorinated and Recalcitrant Compounds--2002. Proceedings of the Third International Conference on Remediation of Chlorinated. INTRODUCTION Recent detection of perchlorate in several surface waters and groundwater wells used to supply

58

15 - Chemical production from lignocellulosic biomass: thermochemical, sugar and carboxylate platforms  

Science Journals Connector (OSTI)

Abstract: Lignocellulose is abundant, inexpensive, and renewable. Further, it can replace fossil fuels as our primary source for chemicals and energy. To transition from fossil fuels to lignocellulose-based chemicals and fuels, an economically viable commercial biorefinery must be developed. This chapter reviews three major chemical platforms for a biorefinery. The thermochemical platform thermally degrades biomass into gaseous, liquid, and solid components. The sugar platform utilizes enzymes and/or chemicals to create sugars. The carboxylate platform ferments biomass into carboxylic acids/salts. The intermediate products of these three platforms serve as a biocrude for the production of chemicals and fuels from lignocellulose.

A.D.Smith; M. Landoll; M. Falls; M.T. Holtzapple

2010-01-01T23:59:59.000Z

59

Simple Chemical Transformation of Lignocellulosic Biomass into Furans for Fuels and Chemicals  

Science Journals Connector (OSTI)

Here, we report that N,N-dimethylacetamide (DMA) containing lithium chloride (LiCl) is a privileged solvent that enables the synthesis of the renewable platform chemical 5-hydroxymethylfurfural (HMF) in a single step and unprecedented yield from untreated lignocellulosic biomass, as well as from purified cellulose, glucose, and fructose. ... With these types of improvements, this selective chemistry could become a highly attractive process for the conversion of lignocellulosic biomass into an array of fuels and chemicals. ...

Joseph B. Binder; Ronald T. Raines

2009-01-21T23:59:59.000Z

60

Enzyme Pretreatment of Grass Lignocellulose for Potential High-Value Co-products and an Improved Fermentable Substrate  

Science Journals Connector (OSTI)

Crops such as switchgrass (Panicum virgatum L.), bermudagrass (Cynodon dactylon L.), or napiergrass (Pennisetum purpureum Schumach.) have the capacity to produce large quantities of lignocellulose for biofuel (1)...

1|*|William F. Anderson; Joy Peterson

2005-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Preliminary Screening  

Broader source: Energy.gov [DOE]

The first step in assessing renewable energy options is to conduct a preliminary screening to decide which technologies are worth investigating and which can be eliminated immediately. Preliminary...

62

Relationship between thermal behaviour of lignocellulosic components and properties of biomass  

Science Journals Connector (OSTI)

Abstract Five different biomass samples were selected for this study, including miscanthus, distillers dried grain (DDG), wheat shorts, wheat straw and UK wood. These samples were thermochemically treated to alter the lignin, cellulose and hemicellulose composition. Thermogravimetric tests were carried out on these samples to determine thermal behaviours of biomass and its individual lignocellulosic components. The relationship between thermal behaviour of biomass and its corresponding lignocellulosic composition was revealed. The reliability of this relationship was proved by thermogravimetric analysis of samples of artificial biomass prepared by mixing commercially obtained lignin, cellulose and hemicellulose at various blending ratios. It is shown that actual biomass profiles can be predicted with some degree of accuracy based on the lignocellulosic composition.

Cheng Heng Pang; Sanyasi Gaddipatti; Gregory Tucker; Edward Lester; Tao Wu

2014-01-01T23:59:59.000Z

63

Nanolayers on the lignocellulose fibres using layer-by-layer method for improved papermaking  

Science Journals Connector (OSTI)

Nanotechnology is prominent in several key areas, ranging from medicine to electronics. For papermaking, it is no different. Opposite charged polyelectrolytes adsorbed by lignocellulose fibres nanolayers, gave birth to a new papermaking process, conferring improved physical properties from tensile strength to burst strength. New properties are also implied like conductivity and interactivity. Its industrialisation is a step forward. The present work has the objective to show how to industrialise a simple, precise deposition nanolayer adsorption over the lignocellulose substrate improving up to two times its dry strength using biopolymers, which compose the polyelectrolyte used.

Ricardo Costa

2010-01-01T23:59:59.000Z

64

Co-Solvent Enhanced Production of Platform Fuel Precursors From Lignocellulosic Biomass  

E-Print Network [OSTI]

precursor. 5-HMF is an important platform chemical that can5-HMF, and LA are promising platform chemicals (Werpy andHMF from maple wood and corn stover The primary fractions of lignocellulosic biomass of interest for catalytic conversion to platform chemicals

Cai, Charles Miao-Zi

2014-01-01T23:59:59.000Z

65

Sunflower as a biofuels crop: An analysis of lignocellulosic chemical properties  

E-Print Network [OSTI]

Lignocellulosic biofuel Lignin S/G-lignin Sugar content Pyrolysis Molecular Beam Mass Spectrometry a b s t r a c grown in Georgia and Iowa was assessed using analytical wet chemistry methods to measure lignin and sugar content/ composition. The analysis of lignin and the S/G-lignin ratios for a larger number

Burke, John M.

66

Economic Optimization of a Lignocellulosic Biomass-to-Ethanol Supply Chain in the Midwest  

E-Print Network [OSTI]

Economic Optimization of a Lignocellulosic Biomass-to-Ethanol Supply Chain in the Midwest W. Alex of a biomass-to-ethanol supply chain in a 9-state region in the Midwestern United States. A biochemical and enzymatic hydrolysis. Locations and capacities of biorefineries are determined simultaneously with biomass

Benjaafar, Saifallah

67

Economic Optimization of a Lignocellulosic Biomass-to-Ethanol Supply Chain W. Alex Marvin a  

E-Print Network [OSTI]

Economic Optimization of a Lignocellulosic Biomass-to-Ethanol Supply Chain W. Alex Marvin a , Lanny design a b s t r a c t This paper presents an optimization study of the net present value of a biomass hydrolysis. Optimal locations and capacities of biorefineries are determined simultaneously with biomass

Benjaafar, Saifallah

68

Evaluation of pretreatment methods for lignocellulosic ethanol production from energy cane variety L 79-1002  

Science Journals Connector (OSTI)

Abstract Approximately half of the 80 billion tons of crop produced annually around the world remains as residue that could serve as a renewable resource to produce valuable products such as ethanol and butanol. Ethanol produced from lignocellulosic biomass is a promising renewable alternative to diminishing oil and gas liquid fuels. Sugarcane is an important industry in Louisiana. The recently released variety of energy cane has great potential to sustain a competitive sugarcane industry. It has been demonstrated that fuel-grade ethanol can be produced from post harvest sugarcane residue in the past, but optimized ethanol production was not achieved. Optimization of the fermentation process requires efficient pretreatment to release cellulose and hemicellulose from lignocellulosic complex of plant fiber. Determining optimal pretreatment techniques for fermentation is essential for the success of lignocellulosic ethanol production process. The purpose of this study was to evaluate three pretreatment methods for the energy cane variety L 79-1002 for maximum lignocellulosic ethanol production. The pretreatments include alkaline pretreatment, dilute acid hydrolysis, and solid-state fungal pretreatment process using brown rot and white rot fungi. Pretreated biomass was enzymatically saccharified and subjected to fermentation using a recombinant Escherichia coli FBR5. The results revealed that all pretreatment processes produced ethanol. However, the best result was observed in dilute acid hydrolysis followed by alkaline pretreatment and solid-state fungal pretreatment.

V. Sri Harjati Suhardi; Bijeta Prasai; David Samaha; Raj Boopathy

2013-01-01T23:59:59.000Z

69

Changes in lignocellulosic supramolecular and ultrastructure during dilute acid pretreatment of Populus and switchgrass  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

lignocellulosic lignocellulosic supramolecular and ultrastructure during dilute acid pretreatment of Populus and switchgrass Marcus Foston, Art J. Ragauskas* BioEnergy Science Center, School of Chemistry and Biochemistry, Institute of Paper Science and Technology, Georgia Institute of Technology, 500 10th St., Atlanta, GA 30332, USA a r t i c l e i n f o Article history: Received 23 March 2009 Received in revised form 17 July 2010 Accepted 23 July 2010 Available online xxx Keywords: Dilute acid pretreatment Cellulose Supramolecular structure Populus Switchgrass a b s t r a c t Dilute acid pretreatment (DAP) is commonly employed prior to enzymatic deconstruction of cellulose to increase overall sugar and subsequent ethanol yields from downstream bioconversion processes. Typically optimization of pretreatment is evaluated by deter- mining hemicellulose removal, subsequent reactivity towards

70

Thermochemical Ethanol via Direct Gasification and Mixed Alcohol Synthesis of Lignocellulosic Biomass  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Thermochemical Ethanol via Thermochemical Ethanol via Direct Gasification and Mixed Alcohol Synthesis of Lignocellulosic Biomass A. Dutta and S.D. Phillips Technical Report NREL/TP-510-45913 July 2009 Technical Report Thermochemical Ethanol via NREL/TP-510-45913 Direct Gasification and Mixed July 2009 Alcohol Synthesis of Lignocellulosic Biomass A. Dutta and S.D. Phillips Prepared under Task No. BB07.3710 National Renewable Energy Laboratory 1617 Cole Boulevard, Golden, Colorado 80401-3393 303-275-3000 * www.nrel.gov NREL is a national laboratory of the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Operated by the Alliance for Sustainable Energy, LLC Contract No. DE-AC36-08-GO28308 NOTICE This report was prepared as an account of work sponsored by an agency of the United States government.

71

Comparison of Biological and Thermal (Pyrolysis) Pathways for Conversion of Lignocellulose to Biofuels  

E-Print Network [OSTI]

D study. This journey was great because of her and Tinku being around! Thanks to my advisor Dr. Capareda for the diverse bio-energy research opportunity at BETA lab, Dr. El-Halwagi for the unconditional care in every step since I joined TX A... to produce bio-energy from biomass ....................... 3 1.2.2 Pretreatment and hydrolysis in lignocellulose breakdown ....................... 5 1.2.3 Pyrolysis oil upgrade technology...

Imam, Tahmina 1983-

2012-11-30T23:59:59.000Z

72

Compositional Analysis of Lignocellulosic Feedstocks. 1. Review and Description of Methods  

Science Journals Connector (OSTI)

As interest in lignocellulosic biomass feedstocks for conversion into transportation fuels grows, the summative compositional analysis of biomass, or plant-derived material, becomes ever more important. ... The methods appear to have originated as wood lignin isolation procedures and evolved into summative compositional analysis methods for biomass feedstocks. ... Due to the high variability in moisture content in biomass feedstocks, results of all biomass compositional analyses are reported on a dry weight basis, meaning that the weight contribution of moisture has been mathematically removed. ...

Justin B. Sluiter; Raymond O. Ruiz; Christopher J. Scarlata; Amie D. Sluiter; David W. Templeton

2010-07-29T23:59:59.000Z

73

Lignocellulosic Biomass to Ethanol Process Design and Economics Utilizing Co-Current Dilute Acid Prehydrolysis and Enzymatic Hydrolysis For Corn Stover  

Broader source: Energy.gov [DOE]

This report is an update of NRELs ongoing process design and economic analyses of processes related to developing ethanol from lignocellulosic feedstocks.

74

Process for whole cell saccharification of lignocelluloses to sugars using a dual bioreactor system  

DOE Patents [OSTI]

The present invention describes a process for saccharification of lignocelluloses to sugars using whole microbial cells, which are enriched from cultures inoculated with paper mill waste water, wood processing waste and soil. A three-member bacterial consortium is selected as a potent microbial inocula and immobilized on inedible plant fibers for biomass saccharification. The present invention further relates the design of a dual bioreactor system, with various biocarriers for enzyme immobilization and repeated use. Sugars are continuously removed eliminating end-product inhibition and consumption by cell.

Lu, Jue (Okemos, MI); Okeke, Benedict (Montgomery, AL)

2012-03-27T23:59:59.000Z

75

Method of separating lignocellulosic material into lignin, cellulose and dissolved sugars  

DOE Patents [OSTI]

A method is described for separating lignocellulosic material into (a) lignin, (b) cellulose, and (c) hemicellulose and dissolved sugars. Wood or herbaceous biomass is digested at elevated temperature in a single-phase mixture of alcohol, water and a water-immiscible organic solvent (e.g., a ketone). After digestion, the amount of water or organic solvent is adjusted so that there is phase separation. The lignin is present in the organic solvent, the cellulose is present in a solid pulp phase, and the aqueous phase includes hemicellulose and any dissolved sugars.

Black, S.K.; Hames, B.R.; Myers, M.D.

1998-03-24T23:59:59.000Z

76

Method of separating lignocellulosic material into lignin, cellulose and dissolved sugars  

DOE Patents [OSTI]

A method for separating lignocellulosic material into (a) lignin, (b) cellulose, and (c) hemicellulose and dissolved sugars. Wood or herbaceous biomass is digested at elevated temperature in a single-phase mixture of alcohol, water and a water-immiscible organic solvent (e.g., a ketone). After digestion, the amount of water or organic solvent is adjusted so that there is phase separation. The lignin is present in the organic solvent, the cellulose is present in a solid pulp phase, and the aqueous phase includes hemicellulose and any dissolved sugars.

Black, Stuart K. (Denver, CO); Hames, Bonnie R. (Westminster, CO); Myers, Michele D. (Dacono, CO)

1998-01-01T23:59:59.000Z

77

Digital Measures screen changes 1 Digital Measures screen changes 2  

E-Print Network [OSTI]

Digital Measures screen changes 1 #12; Digital Measures screen changes 2 #12; Digital Measures screen changes 3 #12; Digital Measures screen changes 4 #12; Digital Measures screen changes 5 #12; Digital Measures screen changes 6 #12; Digital Measures screen changes 7 #12

Barrash, Warren

78

Feasibility Study for Co-Locating and Integrating Ethanol Production Plants from Corn Starch and Lignocellulosic Feedstocks (Revised)  

SciTech Connect (OSTI)

Analysis of the feasibility of co-locating corn-grain-to-ethanol and lignocellulosic ethanol plants and potential savings from combining utilities, ethanol purification, product processing, and fermentation. Although none of the scenarios identified could produce ethanol at lower cost than a straight grain ethanol plant, several were lower cost than a straight cellulosic ethanol plant.

Wallace, R.; Ibsen, K.; McAloon, A.; Yee, W.

2005-01-01T23:59:59.000Z

79

Development of Oxidative Lime Pretreatment and Shock Treatment to Produce Highly Digestible Lignocellulose for Biofuel and Ruminant Feed Applications  

E-Print Network [OSTI]

enhanced the 72-h glucan digestibility of several promising biomass feedstocks: bagasse (74.0), corn stover (92.0), poplar wood (94.0), sorghum (71.8), and switchgrass (89.0). Highly digestible lignocellulose can also be used as ruminant animal feed. Shock...

Falls, Matthew David

2011-10-21T23:59:59.000Z

80

Breast-Cancer Screening  

Science Journals Connector (OSTI)

....79 to 0.99) for death from breast cancer, the USPSTF previously recommended routine screening mammography for women in this age group. Since it had been argued that the benefit of screening women in their 40s could largely be attributed to the detection of cancers after the age of 50 years in women... This article reviews current recommendations for breast-cancer screening and the supporting evidence, including the controversy regarding mammographic screening of women in their 40s.

Warner E.

2011-09-15T23:59:59.000Z

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Onestep production of biocommodities from lignocellulosic biomass by recombinant cellulolytic Bacillus subtilis: Opportunities and challenges  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

One-step One-step production of biocommodities from lignocellulosic biomass by recombinant cellulolytic Bacillus subtilis: Opportunities and challenges One-step consolidated bioprocessing that integrates cellulase production, cellulose hydrolysis, and product fermentation into a single step for decreasing costly cellulase use, increasing volumetric productivity, and reducing capital investment is widely accepted for low-cost production of biofuels or other value-added biochemicals. Considering the narrow margins between biomass and low-value biocommodities, good physiological performance of industrial microbes is crucial for economically viable production. Bacillus subtilis, the best-characterized Gram-positive microorganism, is a major industrial microorganism with numerous valuable features such as hexose and pentose utilization, low-nutrient needs,

82

Evaluations of cellulose accessibilities of lignocelluloses by solute exclusion and protein adsorption techniques  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Evaluations Evaluations of Cellulose Accessibilities of Lignocelluloses by Solute Exclusion and Protein Adsorption Techniques Q.Q. Wang, 1,2 Z. He, 3 Z. Zhu, 4,5 Y.-H.P. Zhang, 4,5 Y. Ni, 3 X.L. Luo, 1 J.Y. Zhu 2 1 State Key Lab of Pulp and Paper Engineering, South China University of Technology, Guangzhou, China 2 USDA Forest Service, Forest Products Laboratory, Madison, Wisconsin; telephone: 608-231-9520; fax: 608-231-9538; e-mail: jzhu@fs.fed.us 3 Limerick Pulp and paper Center, University of New Brunswick, Fredericton, New Brunswick, Canada 4 Department Biological Systems Engineering, Virginia Polytechnic Institute, Blacksburg, Virginia 5 U.S. DOE Bioenergy Science Center, Oak Ridge, Tennessee Received 31 May 2011; revision received 27 July 2011; accepted 30 August 2011 Published online in Wiley Online Library (wileyonlinelibrary.com). DOI 10.1002/bit.23330 ABSTRACT:

83

Metabolic engineering of Caldicellulosiruptor bescii yields increased hydrogen production from lignocellulosic biomass  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Metabolic Metabolic engineering of Caldicellulosiruptor bescii yields increased hydrogen production from lignocellulosic biomass Minseok Cha 1,3 , Daehwan Chung 1,3 , James G Elkins 2,3 , Adam M Guss 2,3 and Janet Westpheling 1,3* Abstract Background: Members of the anaerobic thermophilic bacterial genus Caldicellulosiruptor are emerging candidates for consolidated bioprocessing (CBP) because they are capable of efficiently growing on biomass without conventional pretreatment. C. bescii produces primarily lactate, acetate and hydrogen as fermentation products, and while some Caldicellulosiruptor strains produce small amounts of ethanol C. bescii does not, making it an attractive background to examine the effects of metabolic engineering. The recent development of methods for genetic manipulation has set the stage for rational engineering of this genus for improved biofuel

84

The Zymomonas mobilis regulator hfq contributes to tolerance against multiple lignocellulosic pretreatment inhibitors  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Yang et al. BMC Microbiology 2010, 10:135 Yang et al. BMC Microbiology 2010, 10:135 http://www.biomedcentral.com/1471-2180/10/135 Open Access R E S E A R C H A R T I C L E BioMed Central © 2010 Yang et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Research article The Zymomonas mobilis regulator hfq contributes to tolerance against multiple lignocellulosic pretreatment inhibitors Shihui Yang 1,2 , Dale A Pelletier 1 , Tse-Yuan S Lu 1 and Steven D Brown* 1,2 Abstract Background: Zymomonas mobilis produces near theoretical yields of ethanol and recombinant strains are candidate

85

Determining the most sustainable lignocellulosic bioenergy system following a case study approach  

Science Journals Connector (OSTI)

Abstract The paradigm shift from fossil to renewable energy sources is driven, largely, by a growing sustainability awareness, necessitating more sophisticated measurements in terms of a wider range of criteria. Technical efficiency, financial profitability, environmental friendliness and social acceptance are some of the aspects determining the sustainability of renewable energy systems. The resulting complexity and sometimes conflicting nature of these criteria constitute major barriers to the implementation of renewable energy projects. The Worcester biomass procurement area in the Western Cape Province, South Africa, is used as a case study. It provides a blueprint for measuring the impacts of lignocellulosic bioelectricity systems using life-cycle assessment (LCA), multi-period budgeting (MPB), geographic information systems (GIS) and multi-criteria decision-making analysis (MCDA), among others and for prioritising the relevant criteria to determine the most sustainable technological option. Following the LCA approach, 37 plausible lignocellulosic bioenergy systems were assessed against five financial-economic, three socio-economic and five environmental criteria. On translating the quantitative performance data into a standardised common language of relative performance, an expert group attached weights to the considered criteria, using the analytical hierarchy process (AHP). Assuming the prerequisite of financial-economic viability, the preferred option comprises a feller-buncher for harvesting, a forwarder for biomass extraction, mobile comminution at the roadside, secondary transport in truck-container-trailer combinations and an integrated gasification system for the conversion into electricity. This approach illustrates how to internalise externalities as typical market failures, aiding decision makers to choose the most sustainable bioenergy system.

C.C.C. von Doderer; T.E. Kleynhans

2014-01-01T23:59:59.000Z

86

Process Design and Economics for Conversion of Lignocellulosic Biomass to Ethanol: Thermochemical Pathway by Indirect Gasification and Mixed Alcohol Synthesis  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Conversion of Lignocellulosic Conversion of Lignocellulosic Biomass to Ethanol Thermochemical Pathway by Indirect Gasification and Mixed Alcohol Synthesis A. Dutta, M. Talmadge, and J. Hensley National Renewable Energy Laboratory Golden, Colorado M. Worley and D. Dudgeon Harris Group Inc. Atlanta, Georgia and Seattle, Washington D. Barton, P. Groenendijk, D. Ferrari, and B. Stears The Dow Chemical Company Midland, Michigan E.M. Searcy, C.T. Wright, and J.R. Hess Idaho National Laboratory Idaho Falls, Idaho Technical Report NREL/TP-5100-51400 May 2011 NREL is a national laboratory of the U.S. Department of Energy, Office of Energy Efficiency & Renewable Energy, operated by the Alliance for Sustainable Energy, LLC. National Renewable Energy Laboratory 1617 Cole Boulevard

87

An advanced understanding of the specific effects of xylan and surface lignin contents on enzymatic hydrolysis of lignocellulosic biomass  

Science Journals Connector (OSTI)

In this study, chemical pulping techniques were applied to create a set of biomass substrates with intact lignocellulosic fibers and controlled morphological and chemical properties to allow the investigation of the individual effects of xylan and surface lignin content on enzymatic hydrolysis. A high resolution X-ray photoelectron spectroscopy technique was established for quantifying surface lignin content on lignocellulosic biomass substrates. The results from this study show that, apart from its hindrance effect, xylan can facilitate cellulose fibril swelling and thus create more accessible surface area, which improves enzyme and substrate interactions. Surface lignin has a direct impact on enzyme adsorption kinetics and hydrolysis rate. Advanced understanding of xylan and surface lignin effects provides critical information for developing more effective biomass conversion process.

Xiaohui Ju; Mark Engelhard; Xiao Zhang

2013-01-01T23:59:59.000Z

88

Screening | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Screening Screening Screening October 16, 2013 - 5:17pm Addthis Screening is typically performed by an outside party or an independent renewable energy expert or team. It is a review of the possible technology options that identifies dead-ends and further narrows the list to probable technologies for the project. A screening provides a preliminary assessment of how much energy could be produced by various renewable energy technologies and conducts a high-level analysis of expected costs and savings, utility considerations, and potential incentives. Federal agencies can analyze specific sites or conduct an agency-wide screening across properties to decide which areas have the greatest renewable energy potential. When conducted in conjunction with a new construction project or major renovation, an agency should get results from

89

Isolation of levoglucosan from lignocellulosic pyrolysis oil derived from wood or waste newsprint  

DOE Patents [OSTI]

A method is provided for preparing high purity levoglucosan from lignocellulosic pyrolysis oils derived from wood or waste newsprint. The method includes reducing wood or newsprint to fine particle sizes, treating the particles with a hot mineral acid for a predetermined period of time, and filtering off and drying resulting solid wood or newsprint material; pyrolyzing the dried solid wood or newsprint material at temperatures between about 350 and 375 C to produce pyrolysis oils; treating the oils to liquid-liquid extraction with methyl isobutyl ketone to remove heavy tar materials from the oils, and to provide an aqueous fraction mixture of the oils containing primarily levoglucosan; treating the aqueous fraction mixtures with a basic metal salt in an amount sufficient to elevate pH values to a range of about 12 to about 12.5 and adding an amount of the salt in excess of the amount needed to obtain the pH range to remove colored materials of impurities from the oil and form a slurry, and freeze-drying the resulting slurry to produce a dry solid residue; and extracting the levoglucosan from the residue using ethyl acetate solvent to produce a purified crystalline levoglucosan. 2 figs.

Moens, L.

1995-07-11T23:59:59.000Z

90

Strength, storage, and combustion characteristics of densified lignocellulosic biomass produced via torrefaction and hydrothermal carbonization  

Science Journals Connector (OSTI)

Abstract Lignocellulosic biomass has the potential to produce sustainable clean-green energy and other bio-based materials. However, due to the inferior physicochemical properties compared to coal, biomass is not regarded as an ideal feedstock for industrial applications. The work presented in this study evaluates the feasibility of two different thermal pre-treatments, torrefaction and hydrothermal carbonization (HTC), followed by densification. The densified and pretreated samples obtained from miscanthus feedstock were characterized in terms of the strength, storage, and combustion properties for energy applications. The results showed that both the thermal pre-treatments are promising methods for upgrading biomass. However, the HTC pellets showed considerably superior physicochemical properties when compared to the raw and torrefied pellets. The mass density (mass per unit volume) and volumetric energy density (HHV per unit volume) of the pellets produced via HTC at 260C was significantly higher (1036kg/m3, 26.9GJ/m3) compared to raw pellets (834kg/m3, 15.7GJ/m3) and torrefied pellets (820kg/m3, 16.7GJ/m3). Moreover, the HTC pellets showed improved hydrophobicity, reduction in ash content, reduction in alkali and alkaline earth metal content, and a considerable increase in the carbon content. Based on these results, the HTC pellets have potential for the heat and power applications, including replacing coal in the existing coal-fired power plants without any significant modifications.

Harpreet Singh Kambo; Animesh Dutta

2014-01-01T23:59:59.000Z

91

Statistical prediction of biomethane potentials based on the composition of lignocellulosic biomass  

Science Journals Connector (OSTI)

Abstract Mixture models are introduced as a new and stronger methodology for statistical prediction of biomethane potentials (BPM) from lignocellulosic biomass compared to the linear regression models previously used. A large dataset from literature combined with our own data were analysed using canonical linear and quadratic mixture models. The full model to predict BMP (R2>0.96), including the four biomass components cellulose (xC), hemicellulose (xH), lignin (xL) and residuals (xR=1?xC?xH?xL) had highly significant regression coefficients. It was possible to reduce the model without substantially affecting the quality of the prediction, as the regression coefficients for xC, xH and xR were not significantly different based on the dataset. The model was extended with an effect of different methods of analysing the biomass constituents content (DA) which had a significant impact. In conclusion, the best prediction of BMP is pBMP=347xC+H+R?438xL+63DA.

Sune Tjalfe Thomsen; Henrik Spliid; Hanne stergrd

2014-01-01T23:59:59.000Z

92

Isolation of levoglucosan from lignocellulosic pyrolysis oil derived from wood or waste newsprint  

DOE Patents [OSTI]

A method is provided for preparing high purity levoglucosan from lignocellulosic pyrolysis oils derived from wood or waste newsprint. The method includes reducing wood or newsprint to fine particle sizes, treating the particles with a hot mineral acid for a predetermined period of time, and filtering off and drying resulting solid wood or newsprint material; pyrolyzing the dried solid wood or newsprint material at temperatures between about 350.degree. and 375.degree. C. to produce pyrolysis oils; treating the oils to liquid-liquid extraction with methyl isobutyl ketone to remove heavy tar materials from the oils, and to provide an aqueous fraction mixture of the oils containing primarily levoglucosan; treating the aqueous fraction mixtures with a basic metal salt in an amount sufficient to elevate pH values to a range of about 12 to about 12.5 and adding an amount of the salt in excess of the amount needed to obtain the pH range to remove colored materials of impurities from the oil and form a slurry, and freeze-drying the resulting slurry to produce a dry solid residue; and extracting the levoglucosan from the residue using ethyl acetate solvent to produce a purified crystalline levoglucosan.

Moens, Luc (Lakewood, CO)

1995-01-01T23:59:59.000Z

93

Medical Screening Protocol for the Former Worker Medical Screening...  

Office of Environmental Management (EM)

Medical Screening Program (FWP) is to provide interested former workers with targeted testing to screen for selected adverse health effects potentially related to their work in...

94

Solar Site Screening Decision Tree  

Broader source: Energy.gov [DOE]

The solar site screening decision tree guides users through a process for screening sites for their suitability for future redevelopment with solar photovoltaic energy. EPA encourages the...

95

GPU Computational Screening  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

GPU Computational Screening of Carbon Capture Materials J. Kim 1 , A Koniges 1 , R. Martin 1 , M. Haranczyk 1 , J. Swisher 2 , and B. Smit 1,2 1 Lawrence Berkeley National...

96

Electrostatic screening by semiconductors  

E-Print Network [OSTI]

Electrostatic screening by semiconductors is studied, hics. applying the Thomas-Fermi theory. The semiconductor is treated as a medium with dielectric constant e due to vocalizable atoms, with force charge due to electrons. Two models...

Krcmar, Maja

2012-06-07T23:59:59.000Z

97

Metabolic engineering of Caldicellulosiruptor bescii yields increased hydrogen production from lignocellulosic biomass  

SciTech Connect (OSTI)

Background: Members of the anaerobic thermophilic bacterial genus Caldicellulosiruptor are emerging candidates for consolidated bioprocessing (CBP) because they are capable of efficiently growing on biomass without conventional pretreatment. C. bescii produces primarily lactate, acetate and hydrogen as fermentation products, and while some Caldicellulosiruptor strains produce small amounts of ethanol C. bescii does not, making it an attractive background to examine the effects of metabolic engineering. The recent development of methods for genetic manipulation has set the stage for rational engineering of this genus for improved biofuel production. Here, we report the first targeted gene deletion, the gene encoding lactate dehydrogenase (ldh), for metabolic engineering of a member of this genus. Results: A deletion of the C. bescii L-lactate dehydrogenase gene (ldh) was constructed on a non-replicating plasmid and introduced into the C. bescii chromosome by marker replacement. The resulting strain failed to produce detectable levels of lactate from cellobiose and maltose, instead increasing production of acetate and H2 by 21-34% relative to the wild type and pyrFA parent strains. The same phenotype was observed on a real-world substrate switchgrass (Panicum virgatum). Furthermore, the ldh deletion strain grew to a higher maximum optical density than the wild type on maltose and cellobiose, consistent with the prediction that the mutant would gain additional ATP with increased acetate production. Conclusions: Deletion of ldh in C. bescii is the first use of recently developed genetic methods for metabolic engineering of these bacteria. This deletion resulted in a redirection of electron flow from production of lactate to acetate and hydrogen. New capabilities in metabolic engineering combined with intrinsic utilization of lignocellulosic materials position these organisms to provide a new paradigm for consolidated bioprocessing of fuels and other products from biomass.

Cha, Minseok [University of Georgia, Athens, GA; Chung, Daehwan [University of Georgia, Athens, GA; Elkins, James G [ORNL; Guss, Adam M [ORNL; Westpheling, Janet [University of Georgia, Athens, GA

2013-01-01T23:59:59.000Z

98

Liquid fuel resources and prospects for ligno-cellulosic ethanol: An Egyptian case study  

Science Journals Connector (OSTI)

Abstract Fossil fuels (oil, natural gas and coal) presently represent about 90% of the worlds total commercial primary energy demand. Yet, they are depletable sources of energy. Growth in the production of easily accessible oil, the main source of high energy liquid transportation fuels, will not match the projected rate of demand growth, especially in developing countries. In the transport sector, today, the only alternative to non-sustainable fossil fuels is biofuels that are produced from biomass, a stored environmentally neutral solar energy. These fuels are compatible with current vehicles and blendable with conventional fuels. Moreover, they share the long-established distribution infrastructure with little, if any, modification of equipment. The main biofuels presently in commercial production are bioethanol and biodiesel. Industrial countries started production of the 1st generation bioethanol and biodiesel from food products (grains and edible oil) since a few decades and these fuels are currently available at petrol stations. Second generation bioethanol from ligno-cellulosic materials is on the research, pilot and/or demonstration stage. This paper discusses the current situation regarding liquid fuels in Egypt which are experiencing imbalance between total production and demand for gasoline and diesel fuels. The quantified need for nonconventional sources is presented. Based on a thorough assessment of current and prospective generated agriculture residues as distributed over the political areas, mapping of the number and capacity of plants to be installed for production of bioethanol from available residues namely rice straw, sugar cane residues and cotton stalks has been developed. Annual capacities of 3000, 10,000 and 20,000tons ethanol/year until year 2021 have been proposed. Capital and operating requirements and economic indicators have been estimated. It has been concluded that at current price of ethanol of about $0.6/kg, the simple rate of return on investments is about 2.8%, 11% and 16% for the 3000, 10,000 and 20,000tons annual capacity ethanol respectively.

Shadia R. Tewfik; Nihal M. El Defrawy; Mohamed H. Sorour

2013-01-01T23:59:59.000Z

99

Biological Production of a Hydrocarbon Fuel Intermediate Polyhydroxybutyrate (PHB) from a Process Relevant Lignocellulosic Derived Sugar (Poster)  

SciTech Connect (OSTI)

PHAs are synthesized by many microorganisms to serve as intracellular carbon storage molecules. In some bacterial strains, PHB can account for up to 80% of cell mass. In addition to its application in the packaging sector, PHB also has great potential as an intermediate in the production of hydrocarbon fuels. PHB can be thermally depolymerized and decarboxylated to propene which can be upgraded to hydrocarbon fuels via commercial oligomerization technologies. Cupriavidus necator is the microorganism that has been most extensively studied and used for PHB production on an industrial scale; However the substrates used for producing PHB are mainly fructose, glucose, sucrose, fatty acids, glycerol, etc., which are expensive. In this study, we demonstrate production of PHB from a process relevant lignocellulosic derived sugar stream, i.e., saccharified slurry from pretreated corn stover. The strain was first investigated in shake flasks for its ability to utilize glucose, xylose and acetate. In addition, the strain was also grown on pretreated lignocellulose hydrolyzate slurry and evaluated in terms of cell growth, sugar utilization, PHB accumulation, etc. The mechanism of inhibition in the toxic hydrolysate generated by the pretreatment and saccharification process of biomass, was also studied.

Wang, W.; Mittal, A.; Mohagheghi, A.; Johnson, D. K.

2014-04-01T23:59:59.000Z

100

Engineering of a high-throughput screening system to identify cellulosic biomass, pretreatments, and enzyme formulations that enhance sugar release  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Engineering Engineering of a High-Throughput Screening System to Identify Cellulosic Biomass, Pretreatments, and Enzyme Formulations That Enhance Sugar Release Michael H. Studer, Jaclyn D. DeMartini, Simone Brethauer, Heather L. McKenzie, Charles E. Wyman Chemical and Environmental Engineering Department, Center for Environmental Research and Technology, Bourns College of Engineering, University of California Riverside, 1084 Columbia Avenue, Riverside, California 92507; telephone: þ951-781-5791; fax: þ951-781-5790; e-mail: charles.wyman@ucr.edu Received 7 April 2009; revision received 21 August 2009; accepted 31 August 2009 Published online 3 September 2009 in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/bit.22527 ABSTRACT: The recalcitrance of cellulosic biomass, the only abundant, sustainable feedstock for making liquid fuels, is a primary

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101

Development of a Saccharomyces cerevisiae Strain with Enhanced Resistance to Phenolic Fermentation Inhibitors in Lignocellulose Hydrolysates by Heterologous Expression of Laccase  

Science Journals Connector (OSTI)

...cerevisiae to produce fuel ethanol from lignocellulose...discharged into a collecting vessel, and the liquid and...least twice. Fermentor vessels (1-liter;-Belach...activity, substrate consumption, and product formation...of 0.6 ml/min. Consumption of coniferyl aldehyde...

Simona Larsson; Pierre Cassland; Leif J. Jnsson

2001-03-01T23:59:59.000Z

102

Screening in multilayer graphene  

Science Journals Connector (OSTI)

In this paper, we study the static polarization in ABC-stacked multilayer graphene. Since the density of states diverges for these systems if the number of layers exceeds three, screening effects are expected to be important. In the random phase approximation, screening can be included through the polarization. We derive an analytical integral expression for the polarization in both the full-band model and an effective two-band model. Numerical evaluation of these integrals is very time consuming in the full-band model. Hence, for ABC-stacked trilayer graphene, we use the two-band model to calculate the low momentum part of the polarization. The results for the two-band model are universal, i.e., independent of doping. The high momentum part is linear and is determined by calculating two points, such that we can determine the slope. For ABC stacked trilayer graphene, the slope is given by three times the monolayer value. We compare our results to previous ones in the literature and discuss the similarities and discrepancies. Our results can be used to include screening in ABC-stacked multilayer systems in a way that all the characteristics of the polarization function are included. The numerical results for the polarization of trilayer graphene are used to sketch the screened potential.

Ralph van Gelderen; Richard Olsen; C. Morais Smith

2013-09-09T23:59:59.000Z

103

Hydropower Potential Screening Study  

E-Print Network [OSTI]

Hydropower Potential Screening Study Gillian Charles GRAC 5/28/14 #12;Latest Hydropower Potential Study Creating a Buzz 2014 DOE study on undeveloped stream reaches 84.7 GW undeveloped hydropower in undeveloped stream reaches hydropower in the PNW #12;Studies at both National

104

GPU Computational Screening  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

GPU GPU Computational Screening of Carbon Capture Materials J. Kim 1 , A Koniges 1 , R. Martin 1 , M. Haranczyk 1 , J. Swisher 2 , and B. Smit 1,2 1 Lawrence Berkeley National Laboratory, Berkeley, CA 94720 2 Department of Chemical Engineering, University of California, Berkeley, Berkeley, CA 94720 E-mail: jihankim@lbl.gov Abstract. In order to reduce the current costs associated with carbon capture technologies, novel materials such as zeolites and metal-organic frameworks that are based on microporous networks are being studied. We have developed a GPU code that can characterize and screen a large database of zeolite structures and help identify the most e cient structures for carbon capture. The interactions between the atoms that constitute the zeolite structures and the gas molecules such as carbon dioxide and methane are described by the Lennard-Jones and Coulomb potentials.

105

Determination of porosity of lignocellulosic biomass before and after pretreatment by using Simons⠒ stain and NMR techniques  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

porosity porosity of lignocellulosic biomass before and after pretreatment by using Simons' stain and NMR techniques Xianzhi Meng a , Marcus Foston a,1 , Johannes Leisen b , Jaclyn DeMartini c , Charles E. Wyman c , Arthur J. Ragauskas a,⇑ a BioEnergy Science Center, School of Chemistry and Biochemistry, Institute of Paper Science and Technology, Georgia Institute of Technology, 500 10th Street, Atlanta, GA 30332, USA b School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332, USA c Department of Chemical & Environmental Engineering, Center for Environmental Research and Technology, University of California, Riverside, BioEnergy Science Center, Riverside, CA 92507, USA h i g h l i g h t s  Cellulose accessibility was tested by Simons' stain and multiple NMR techniques.  Pretreatment increases the pore size and overall surface area of the

106

Combined Dilute Acid and Solvent Based Pretreatment of Agricultural Wastes for Efficient Lignocellulosic Fractionation and Biofuels Production  

SciTech Connect (OSTI)

A true biorefinery for processing lignocellulosic biomass should achieve maximum utilization of all major constituents (cellulose, hemicellulose, & lignin) within the feedstock. In this work a combined pretreatment process of dilute acid (DA) and N-methyl morpholine N-oxide (NMMO) is described that allows for both fractionation and subsequent complete hydrolysis of the feedstocks (corn stover and sugarcane bagasse). During this multi-step processing, the dilute acid pretreatment solubilizes the majority (>90%) of the hemicellulosic fraction, while the NMMO treatment yields a cellulosic fraction that is completely digestible within 48 hours at low enzyme loadings. With both the cellulosic and hemicellulosic fractions being converted into separate, dissolved sugar fractions, the remaining portion is nearly pure lignin. When used independently, DA and NMMO pretreatments are only able to achieve ~80% and ~45% cellulosic conversion, respectively. Mass balance calculations along with experimental results are used to illustrate the feasibility of separation and recycling of NMMO.

Brodeur, G.; Ramakrishnan, S.; Wilson, C.; Telotte, J.; Collier, J.; Stickel, J.

2013-01-01T23:59:59.000Z

107

Medical Screening | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Program Program Implementation » Medical Screening Medical Screening Medical Screening: Provide medical screening exams that are designed to check for health conditions related to occupational exposures to former workers who choose to participate in the program, including a re-screen exam every three years. Conventional Medical Screening Program Medical screening is a strategy used to identify diseases or conditions in a select population at an early stage, often before signs and symptoms develop, and to refer individuals with suspicious findings to their personal physician or a specialist for further testing, diagnosis, and treatment. The program is not intended to serve as a substitute for routine medical exams through an individual's personal physician. Early Lung Cancer Detection Program

108

Screen Electrode Materials & Cell Chemistries and Streamlining...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Screen Electrode Materials & Cell Chemistries and Streamlining Optimization of Electrode Screen Electrode Materials & Cell Chemistries and Streamlining Optimization of Electrode...

109

Dynamic Screening and Thermonuclear Reaction Rates  

E-Print Network [OSTI]

We show that there are no dynamic screening corrections to the Salpeter's enhancement factor in the weak-screening limit.

Andrei V. Gruzinov

1997-02-06T23:59:59.000Z

110

DOE/EA-1628: Environmental Assessment for Construction and Operation of a Proposed Lignocellulosic Biorefinery, POET Project LIBERTY, LLC. (September 2008)  

Broader source: Energy.gov (indexed) [DOE]

and Notice of Wetlands and Notice of Wetlands Involvement Construction and Operation of a Proposed Lignocellulosic Biorefinery, POET Project LIBERTY, LLC. Emmetsburg, Iowa Prepared for U.S. Department of Energy by September 2008 September 2008 i POET Project LIBERTY - Final EA 9-26-08.doc Contents Executive Summary ............................................................................................................................................i Acronyms, Abbreviations, and Terms............................................................................................................iv 1.0 Introduction ............................................................................................................................................ 1-1 1.1 Background......................................................................................................................................

111

Medical Screening | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

for routine medical exams through an individual's personal physician. Early Lung Cancer Detection Program Since 2000, DOE has made screening for occupational lung cancer with...

112

Impurity screening in carbon nanotubes  

Science Journals Connector (OSTI)

Nanotube geometry determines electronic structure and thus impurity screening. A metallic carbon nanotube could effectively screen a charged impurity, while a semiconducting carbon nanotube could not. The ability to screen a long-range Coulomb field is mainly determined by whether there are free carriers in the subbands nearest the Fermi level. The detailed screening properties are sensitive to the impurity position, and the tubular structure (such as radius and chiral angle). Strong, short-wavelength Friedel oscillations at long distances are found to exist only in metallic armchair nanotubes. They are relatively obvious for a smaller armchair nanotube, and could survive at room temperature.

M. F. Lin and D. S. Chuu

1997-08-15T23:59:59.000Z

113

Comments on Gaugino Screening  

SciTech Connect (OSTI)

Gauge mediated models of supersymmetry breaking often exhibit 'gaugino screening,' where to leading order in F, gaugino masses are unaffected by higher dimensional Kahler potential interactions between the supersymmetry breaking spurion and the messengers. We provide a derivation of this phenomenon which utilizes the gaugino counterterm originally proposed in the context of anomaly mediation by Dine and Seiberg. We argue that this counterterm is present when there are non-zero messenger F-terms, and can cancel the leading order Feynman diagram contribution to the gaugino mass. We provide a nontrivial check of the regulator independence of our results by performing the computation using both dimensional reduction and Pauli-Villars. This analysis reconciles an apparent contradiction between diagrammatics and analytic continuation into superspace.

Cohen, Timothy; Hook, Anson; Wecht, Brian

2012-02-15T23:59:59.000Z

114

Electron screening in nickel  

SciTech Connect (OSTI)

In order to further investigate electron screening phenomenon we studied proton induced nuclear reactions over an energy range from 1.35 to 3.08 MeV for different environments: Ni metal and NiO insulator. The measurements were based on observation of the {gamma}-ray yields of {sup 59,61,63,64,65}Cu and {sup 58,60,62}Ni. Also, we have studied the decay of {sup 61}Cu produced in the reaction {sup 60}Ni(p,{gamma}), in order to find a possible decay rate perturbation by atomic electrons and found a small difference in half-life for metallic compared to oxide environment, respectively. The present results clearly show that the metallic environment affects the fusion reactions at low energy and that it might also affect the decay rate.

Gajevic, Jelena; Lipoglavsek, Matej; Petrovic, Toni; Pelicon, Primoz [Jozef Stefan Institute, Jamova cesta 39, Ljubljana (Slovenia); Jozef Stefan Institute, Jamova cesta 39, Ljubljana (Slovenia) and Cosylab d.d, Teslova ulica 30, Ljubljana (Slovenia); Jozef Stefan Institute, Jamova cesta 39, Ljubljana (Slovenia)

2012-11-20T23:59:59.000Z

115

Preliminary Screening | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Preliminary Screening Preliminary Screening Preliminary Screening October 16, 2013 - 5:12pm Addthis The first step in assessing renewable energy options is to conduct a preliminary screening to decide which technologies are worth investigating and which can be eliminated immediately. Preliminary screening involves using resource maps and other basic tools to choose technologies to pursue further. This should occur in the planning phase and can be completed at the agency level with some simple training. There should be no need to hire an outside consultant at this stage. When narrowing technology options during this phase of assessment, a range of factors are considered, such as: Available Renewable Resources Ability to Connect to the Grid Available Renewable Resources Renewable energy resources refer to the amount of energy that can be

116

Rapid characterization of lignocellulosic feedstocks for fuels and chemicals: Molecular beam mass spectrometric approach  

SciTech Connect (OSTI)

Rapid characterization of biomass feedstocks has a pivotal role in the development of biomass energy because of the large number of samples that must be analyzed due to the diversity of biomass feedstocks and the significant differences in the chemical and physical properties of these feedstocks. Several biomass feedstocks (herbaceous, woody, and agricultural residues) were screened for the effects of storage, season of harvest, geographic location, clonal, and species variation on the pyrolysis products of the feed stocks. For herbaceous species such as sericea lespedeza, the season of harvest had a significant effect on the pyrolysis products. Effects of clonal variation on the composition of hybrid poplar feedstocks was easily discerned with the molecular beam mass spectrometric analysis. The effect of geographic location on the poplar clones pyrolysis products was minimal. However in the case of switchgrass, varietal influence on the pyrolysis products was minimal, but where the plant was grown had a strong influence on the pyrolysis products of the feedstock. Significant differences because of species variation could also be shown from the pyrolysis products of various biomass feedstocks. The influence of storage time on biomass samples stored outside in the open could also be discerned from the pyrolysis products of the feedstocks. The differences noted in the pyrolysis products of the feedstocks were noted for samples which were significantly degraded during storage either through the action of microflora or weathering.

Agblevor, F.A.; Davis, M.F. [National Renewable Energy Lab., Golden, CO (United States)

1996-12-31T23:59:59.000Z

117

Ethanol production in biorefineries using lignocellulosic feedstock GHG performance, energy balance and implications of life cycle calculation methodology  

Science Journals Connector (OSTI)

Abstract Co-production of high-value biobased products in biorefineries is a promising option for optimized utilization of biomass. Lignocellulosic materials such as agricultural and forest residues have been identified as attractive alternative feedstocks because of their high availability and low resource demand. This study assessed the greenhouse gas (GHG) performance and energy balance of ethanol co-production with biogas and electricity in biorefineries using straw and forest residues. Two calculation methods were used: Method I (ISO), which applied the international standard for life cycle assessment, and Method II, which applied the EU Renewable Energy Directive (RED) methodology. These methods differed in allocation procedure, functional unit and system boundaries. Analysis of the importance of significant methodological choices and critical parameters showed that the results varied depending on calculation method, with co-product handling and the inclusion of upstream impacts from residue harvesting explaining most of the differences. Important life cycle steps were process inputs in terms of enzymes and changes in soil organic carbon content due to removal of residues. Ethanol produced from forest residues generally gave lower GHG emissions than straw-based ethanol. The GHG savings for both feedstocks were 5184% relative to fossil fuel. Omission of upstream impacts from residue recovery in agriculture and forestry in the RED method means that it risks overlooking important environmental effects of residue reuse. Furthermore, the default allocation procedure used in the RED method (energy allocation) may need revision for biorefineries where multiple products with different characteristics are co-produced.

Hanna Karlsson; Pl Brjesson; Per-Anders Hansson; Serina Ahlgren

2014-01-01T23:59:59.000Z

118

Personal Navigation Increases Colorectal Cancer Screening Uptake  

Science Journals Connector (OSTI)

...the participants' preferred screening test (colonoscopy or stool blood testing...and no record of a recent CRC screening test were identified at the Group Health Centre...performance of the preferred screening test. Multivariate analyses were conducted...

Paul G. Ritvo; Ronald E. Myers; Lawrence F. Paszat; Jill M. Tinmouth; Joshua McColeman; Brian Mitchell; Mardie Serenity; Linda Rabeneck

119

DOD - Preliminary Screening Tool | Open Energy Information  

Open Energy Info (EERE)

Screening Tool Jump to: navigation, search OpenEI Reference LibraryAdd to library Web Site: DOD - Preliminary Screening Tool Abstract This webpage contains the DOD preliminary...

120

Final Scientific/Technical Report for DE-FG02-07ER64500 Study of Lignocellulosic Material Degradation with CARS Microscopy  

SciTech Connect (OSTI)

The program of research undertaken by our Harvard group, in collaboration with Dr. Ding at the National Renewable Energy Laboratory (NREL) in Golden, CO, seeks to introduce, validate and apply a new analytical technique to study the conversion of lignocellulosic biomass into ethanol. This conversion process has been the subject of intense interest over the past few years because of its potential to provide a clean, renewable source of energy to meet increasing global demand. During the funding period, we have clearly demonstrated visualization of lignin and cellulose using intrinsic vibrational contrast with simulated Raman scattering (SRS) microscopy, developed at Harvard. Our approach offers high spatial resolution and time resolution that is sufficient to capture the kinetics of a pre?treatment process. This is reflected by the publications listed below, as well as the use of SRS microscopy at NREL as a routine analysis tool for research on lignocellulosic biomass. In our original proposal, we envisioned moving to near?field CARS imaging in order to perform chemical mapping at the nanoscale. However, given the dramatic progress made by our group in SRS imaging, we concentrated our efforts on using multi?component SRS (lignin, cellulose, lipid, water, protein, deuterated metabolites, etc.) to quantitatively understand the spatially dispersed kinetics in a variety of plant samples under a variety of conditions. In addition, we built a next generation laser system based on fiber laser technology that allowed rugged and portable instrumentation for SRS microscopy. We also pursued new imaging approaches to improve the acquisition speed of SRS imaging of lignocellulose without sacrificing signal?to?noise ratio. This allowed us to image larger volumes of tissue with higher time resolution to get a more comprehensive picture of the heterogeneity of this chemical process from the submicron up to the centimeter scale.

Xie, Xiaoliang Sunney; Ding, Shi-You

2013-09-30T23:59:59.000Z

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
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We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Efficient degradation of lignocellulosic plant biomass without pretreatment by the 9 thermophilic anaerobe, Anaerocellum thermophilum DSM 6725  

SciTech Connect (OSTI)

Very few cultivated microorganisms can degrade lignocellulosic biomass without chemical pretreatment. We show here that 'Anaerocellum thermophilum' DSM 6725, an anaerobic bacterium that grows optimally at 75 C, efficiently utilizes various types of untreated plant biomass, as well as crystalline cellulose and xylan. These include hardwoods such as poplar, low-lignin grasses such as napier and Bermuda grasses, and high-lignin grasses such as switchgrass. The organism did not utilize only the soluble fraction of the untreated biomass, since insoluble plant biomass (as well as cellulose and xylan) obtained after washing at 75 C for 18 h also served as a growth substrate. The predominant end products from all growth substrates were hydrogen, acetate, and lactate. Glucose and cellobiose (on crystalline cellulose) and xylose and xylobiose (on xylan) also accumulated in the growth media during growth on the defined substrates but not during growth on the plant biomass. A. thermophilum DSM 6725 grew well on first- and second-spent biomass derived from poplar and switchgrass, where spent biomass is defined as the insoluble growth substrate recovered after the organism has reached late stationary phase. No evidence was found for the direct attachment of A. thermophilum DSM 6725 to the plant biomass. This organism differs from the closely related strain A. thermophilum Z-1320 in its ability to grow on xylose and pectin. Caldicellulosiruptor saccharolyticus DSM 8903 (optimum growth temperature, 70 C), a close relative of A. thermophilum DSM 6725, grew well on switchgrass but not on poplar, indicating a significant difference in the biomass-degrading abilities of these two otherwise very similar organisms.

Yang, Sung-Jae [University of Georgia, Athens, GA; Kataeva, Irina [University of Georgia, Athens, GA; Hamilton-Brehm, Scott [ORNL; Engle, Nancy L [ORNL; Tschaplinski, Timothy J [ORNL; Doeppke, Crissa [National Renewable Energy Laboratory (NREL); Davis, Dr. Mark F. [National Renewable Energy Laboratory (NREL); Westpheling, Janet [University of Georgia, Athens, GA; Adams, Michael W. W. [University of Georgia, Athens, GA

2009-01-01T23:59:59.000Z

122

Genome, transcriptome, and secretome analysis of wood decay fungus postia placenta supports unique mechanisms of lignocellulose conversion  

SciTech Connect (OSTI)

Brown-rot fungi such as Postia placenta are common inhabitants of forest ecosystems and are also largely responsible for the destructive decay of wooden structures. Rapid depolymerization of cellulose is a distinguishing feature of brown-rot, but the biochemical mechanisms and underlying genetics are poorly understood. Systematic examination of the P. placenta genome, transcriptome and secretome revealed unique extracellular enzyme systems, including an unusual repertoire of extracellular glycoside hydrolases. Genes encoding exocellobiohydrolases and cellulose-binding domains, typical of cellulolytic microbes, are absent in this efficient cellulose-degrading fungus. When P. placenta was grown in medium containing cellulose as sole carbon source, transcripts corresponding to many hemicellulases and to a single putative {beta}-1-4 endoglucanase were expressed at high levels relative to glucose grown cultures. These transcript profiles were confirmed by direct identification of peptides by liquid chromatography-tandem mass spectrometry (LC{center_dot}MSIMS). Also upregulated during growth on cellulose medium were putative iron reductases, quinone reductase, and structurally divergent oxidases potentially involved in extracellular generation of Fe(II) and H202. These observations are consistent with a biodegradative role for Fenton chemistry in which Fe(II) and H202 react to form hydroxyl radicals, highly reactive oxidants capable of depolymerizing cellulose. The P. placenta genome resources provide unparalleled opportunities for investigating such unusual mechanisms of cellulose conversion. More broadly, the genome offers insight into the diversification of lignocellulose degrading mechanisms in fungi. Comparisons to the closely related white-rot fungus Phanerochaete chrysosporium support an evolutionary shift from white-rot to brown-rot during which the capacity for efficient depolymerization of lignin was lost.

Martinez, Diego [Los Alamos National Laboratory; Challacombe, Jean F [Los Alamos National Laboratory; Misra, Monica [Los Alamos National Laboratory; Xie, Gary [Los Alamos National Laboratory; Brettin, Thomas [Los Alamos National Laboratory; Morgenstern, Ingo [CLARK UNIV; Hibbett, David [CLARK UNIV.; Schmoll, Monika [UNIV WIEN; Kubicek, Christian P [UNIV WIEN; Ferreira, Patricia [CIB, CSIC, MADRID; Ruiz - Duenase, Francisco J [CIB, CSIC, MADRID; Martinez, Angel T [CIB, CSIC, MADRID; Kersten, Phil [FOREST PRODUCTS LAB; Hammel, Kenneth E [FOREST PRODUCTS LAB; Vanden Wymelenberg, Amber [U. WISCONSIN; Gaskell, Jill [FOREST PRODUCTS LAB; Lindquist, Erika [DOE JGI; Sabati, Grzegorz [U. WISCONSIN; Bondurant, Sandra S [U. WISCONSIN; Larrondo, Luis F [U. CATHOLICA DE CHILE; Canessa, Paulo [U. CATHOLICA DE CHILE; Vicunna, Rafael [U. CATHOLICA DE CHILE; Yadavk, Jagiit [U. CINCINATTI; Doddapaneni, Harshavardhan [U. CINCINATTI; Subramaniank, Venkataramanan [U. CINCINATTI; Pisabarro, Antonio G [PUBLIC U. NAVARRE; Lavin, Jose L [PUBLIC U. NAVARRE; Oguiza, Jose A [PUBLIC U. NAVARRE; Master, Emma [U. TORONTO; Henrissat, Bernard [CNRS, MARSEILLE; Coutinho, Pedro M [CNRS, MARSEILLE; Harris, Paul [NOVOZYMES, INC.; Magnuson, Jon K [PNNL; Baker, Scott [PNNL; Bruno, Kenneth [PNNL; Kenealy, William [MASCOMA, INC.; Hoegger, Patrik J [GEORG-AUGUST-U.; Kues, Ursula [GEORG-AUGUST-U; Ramaiva, Preethi [NOVOZYMES, INC.; Lucas, Susan [DOE JGI; Salamov, Asaf [DOE JGI; Shapiro, Harris [DOE JGI; Tuh, Hank [DOE JGI; Chee, Christine L [UNM; Teter, Sarah [NOVOZYMES, INC.; Yaver, Debbie [NOVOZYMES, INC.; James, Tim [MCMASTER U.; Mokrejs, Martin [CHARLES U.; Pospisek, Martin [CHARLES U.; Grigoriev, Igor [DOE JGI; Rokhsar, Dan [DOE JGI; Berka, Randy [NOVOZYMES; Cullen, Dan [FOREST PRODUCTS LAB

2008-01-01T23:59:59.000Z

123

Techno-economic Analysis for the Thermochemical Conversion of Lignocellulosic Biomass to Ethanol via Acetic Acid Synthesis  

SciTech Connect (OSTI)

Biomass is a renewable energy resource that can be converted into liquid fuel suitable for transportation applications. As a widely available biomass form, lignocellulosic biomass can have a major impact on domestic transportation fuel supplies and thus help meet the Energy Independence and Security Act renewable energy goals (U.S. Congress 2007). This study performs a techno-economic analysis of the thermo chemical conversion of biomass to ethanol, through methanol and acetic acid, followed by hydrogenation of acetic acid to ethanol. The conversion of syngas to methanol and methanol to acetic acid are well-proven technologies with high conversions and yields. This study was undertaken to determine if this highly selective route to ethanol could provide an already established economically attractive route to ethanol. The feedstock was assumed to be wood chips at 2000 metric ton/day (dry basis). Two types of gasification technologies were evaluated: an indirectly-heated gasifier and a directly-heated oxygen-blown gasifier. Process models were developed and a cost analysis was performed. The carbon monoxide used for acetic acid synthesis from methanol and the hydrogen used for hydrogenation were assumed to be purchased and not derived from the gasifier. Analysis results show that ethanol selling prices are estimated to be $2.79/gallon and $2.81/gallon for the indirectly-heated gasifier and the directly-heated gasifier systems, respectively (1stQ 2008$, 10% ROI). These costs are above the ethanol market price for during the same time period ($1.50 - $2.50/gal). The co-production of acetic acid greatly improves the process economics as shown in the figure below. Here, 20% of the acetic acid is diverted from ethanol production and assumed to be sold as a co-product at the prevailing market prices ($0.40 - $0.60/lb acetic acid), resulting in competitive ethanol production costs.

Zhu, Yunhua; Jones, Susanne B.

2009-04-01T23:59:59.000Z

124

Techno-economic Analysis for the Conversion of Lignocellulosic Biomass to Gasoline via the Methanol-to-Gasoline (MTG) Process  

SciTech Connect (OSTI)

Biomass is a renewable energy resource that can be converted into liquid fuel suitable for transportation applications. As a widely available biomass form, lignocellulosic biomass can have a major impact on domestic transportation fuel supplies and thus help meet the Energy Independence and Security Act renewable energy goals (U.S. Congress 2007). With gasification technology, biomass can be converted to gasoline via methanol synthesis and methanol-to-gasoline (MTG) technologies. Producing a gasoline product that is infrastructure ready has much potential. Although the MTG technology has been commercially demonstrated with natural gas conversion, combining MTG with biomass gasification has not been shown. Therefore, a techno-economic evaluation for a biomass MTG process based on currently available technology was developed to provide information about benefits and risks of this technology. The economic assumptions used in this report are consistent with previous U.S. Department of Energy Office of Biomass Programs techno-economic assessments. The feedstock is assumed to be wood chips at 2000 metric ton/day (dry basis). Two kinds of gasification technologies were evaluated: an indirectly-heated gasifier and a directly-heated oxygen-blown gasifier. The gasoline selling prices (2008 USD) excluding taxes were estimated to be $3.20/gallon and $3.68/gallon for indirectly-heated gasified and directly-heated. This suggests that a process based on existing technology is economic only when crude prices are above $100/bbl. However, improvements in syngas cleanup combined with consolidated gasoline synthesis can potentially reduce the capital cost. In addition, improved synthesis catalysts and reactor design may allow increased yield.

Jones, Susanne B.; Zhu, Yunhua

2009-05-01T23:59:59.000Z

125

Microelectroporation device for genomic screening  

DOE Patents [OSTI]

We have developed an microelectroporation device that combines microarrays of oligonucleotides, microfluidic channels, and electroporation for cell transfection and high-throughput screening applications (e.g. RNA interference screens). Microarrays allow the deposition of thousands of different oligonucleotides in microscopic spots. Microfluidic channels and microwells enable efficient loading of cells into the device and prevent cross-contamination between different oligonucleotides spots. Electroporation allows optimal transfection of nucleic acids into cells (especially hard-to-transfect cells such as primary cells) by minimizing cell death while maximizing transfection efficiency. This invention has the advantage of a higher throughput and lower cost, while preventing cross-contamination compared to conventional screening technologies. Moreover, this device does not require bulky robotic liquid handling equipment and is inherently safer given that it is a closed system.

Perroud, Thomas D.; Renzi, Ronald F.; Negrete, Oscar; Claudnic, Mark R.

2014-09-09T23:59:59.000Z

126

Document Control Template-Instruction_Screen Shot  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

3_ADocument Control Template - Instruction_Screen Shot.doc_Screen ShotPage 1 of 6 3_ADocument Control Template - Instruction_Screen Shot.doc_Screen ShotPage 1 of 6 EOTA - Business Instruction Document Title: Document Control Template - Instruction-Screen Shot Document Number: F-003 Rev. A Document Owner: Elizabeth Sousa Backup Owner: Melissa Otero Approver(s): Melissa Otero Parent Document: P-001, Document Control Process Notify of Changes: EOTA Employees Referenced Document(s): N/A F-003_ADocument Control Template - Instruction_Screen Shot.doc_Screen ShotPage 2 of 6 Revision History: Rev. Description of Change A Initial Release B C D E F-003_ADocument Control Template - Instruction_Screen Shot.doc_Screen ShotPage 3 of 6 EOTA - Business Instruction Document Title: DocTitle Document Number:

127

Dynamical screening in bilayer graphene  

Science Journals Connector (OSTI)

We calculate one-loop polarization in bilayer graphene in the four-band approximation for arbitrary values of frequency, momentum, and doping. At low and high energy our results reduce to the polarization functions calculated in the two-band approximation and in the case of single-layer graphene, respectively. The special cases of static screening and plasmon modes are analyzed.

O. V. Gamayun

2011-08-22T23:59:59.000Z

128

Chemical compatibility screening test results  

SciTech Connect (OSTI)

A program for evaluating packaging components that may be used in transporting mixed-waste forms has been developed and the first phase has been completed. This effort involved the screening of ten plastic materials in four simulant mixed-waste types. These plastics were butadiene-acrylonitrile copolymer rubber, cross-linked polyethylene (XLPE), epichlorohydrin rubber, ethylene-propylene rubber (EPDM), fluorocarbon (Viton or Kel-F), polytetrafluoroethylene, high-density polyethylene (HDPE), isobutylene-isoprene copolymer rubber (butyl), polypropylene, and styrene-butadiene rubber (SBR). The selected simulant mixed wastes were (1) an aqueous alkaline mixture of sodium nitrate and sodium nitrite; (2) a chlorinated hydrocarbon mixture; (3) a simulant liquid scintillation fluid; and (4) a mixture of ketones. The testing protocol involved exposing the respective materials to 286,000 rads of gamma radiation followed by 14-day exposures to the waste types at 60{degrees}C. The seal materials were tested using vapor transport rate (VTR) measurements while the liner materials were tested using specific gravity as a metric. For these tests, a screening criterion of 0.9 g/hr/m{sup 2} for VTR and a specific gravity change of 10% was used. Based on this work, it was concluded that while all seal materials passed exposure to the aqueous simulant mixed waste, EPDM and SBR had the lowest VTRs. In the chlorinated hydrocarbon simulant mixed waste, only Viton passed the screening tests. In both the simulant scintillation fluid mixed waste and the ketone mixture simulant mixed waste, none of the seal materials met the screening criteria. For specific gravity testing of liner materials, the data showed that while all materials with the exception of polypropylene passed the screening criteria, Kel-F, HDPE, and XLPE offered the greatest resistance to the combination of radiation and chemicals.

Nigrey, P.J.; Dickens, T.G.

1997-12-01T23:59:59.000Z

129

BCHP Screening Tool | Open Energy Information  

Open Energy Info (EERE)

BCHP Screening Tool BCHP Screening Tool Jump to: navigation, search Tool Summary LAUNCH TOOL Name: BCHP Screening Tool Agency/Company /Organization: Oak Ridge National Laboratory Sector: Energy Focus Area: Buildings, Industry Phase: Determine Baseline, Develop Goals Resource Type: Software/modeling tools, Guide/manual User Interface: Desktop Application Website: www.coolingheatingpower.org/about/bchp-screening-tool.php References: http://www.coolingheatingpower.org/about/bchp-screening-tool.php Logo: BCHP Screening Tool The BCHP Screening Tool is software that can be used to estimate the energy consumption and economics of CHP systems in commercial buildings. The BCHP Screening Tool is software that can be used to estimate the energy consumption and economics of CHP systems in commercial buildings. This tool

130

DOE: Former Worker Medical Screening Program (FWP)  

Broader source: Energy.gov [DOE]

FWP provides no-cost medical screenings to all former DOE Federal, contractor and subcontractor employees. The screening exams are offered by third party providers from universities, labor unions,...

131

Projection screen having reduced ambient light scattering  

DOE Patents [OSTI]

An apparatus and method for improving the contrast between incident projected light and ambient light reflected from a projection screen are described. The efficiency of the projection screen for reflection of the projected light remains high, while permitting the projection screen to be utilized in a brightly lighted room. Light power requirements from the projection system utilized may be reduced.

Sweatt, William C. (Albuquerque, NM)

2010-05-11T23:59:59.000Z

132

Feedstocks for Lignocellulosic Biofuels  

Science Journals Connector (OSTI)

...dry MT/ha/year (22). A. sisalana production fields in Tanzania provided annual harvests of leaves of 58 wet...Does greater leaf-level photosynthesis explain the larger solar energy conversion efficiency of Miscanthus relative to switchgrass...

Chris Somerville; Heather Youngs; Caroline Taylor; Sarah C. Davis; Stephen P. Long

2010-08-13T23:59:59.000Z

133

Lignocellulose: A chewy problem  

Science Journals Connector (OSTI)

... furans. With the help of a chromium catalyst, Raines can retrieve a chemical called 5-hydroxymethylfurfural, or HMF, which can, in turn, be used to make the promising petrol ...

Katharine Sanderson

2011-06-22T23:59:59.000Z

134

High-Throughput Screening Techniques  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Throughput Throughput Screening Techniques for Biomass Conversion Stephen R. Decker & Roman Brunecky & Melvin P. Tucker & Michael E. Himmel & Michael J. Selig Published online: 14 October 2009 # US Government 2009 Abstract High-throughput (HTP) screening of biomass or biomass-degrading enzymes, regardless of the desired outcome, is fraught with obstacles and challenges not typically faced in more traditional biotechnology. The enzyme systems are complex and synergistic and the substrate is highly heterogeneous, insoluble, and difficult to dispense. Digestions are often carried out for days at temperatures of 50°C or higher, leading to significant challenges regarding evaporation control in small well volumes. Furthermore, it is often desirable to condition or "pretreat" the biomass at extreme temperatures and/or pH to enhance enzyme digestibility.

135

Clad Degradation - FEPs Screening Arguments  

SciTech Connect (OSTI)

The purpose of this report is to document the screening of the cladding degradation features, events, and processes (FEPs) for commercial spent nuclear fuel (CSNF). This report also addresses the effect of some FEPs on both the cladding and the CSNF, DSNF, and HLW waste forms where it was considered appropriate to address the effects on both materials together. This report summarizes the work of others to screen clad degradation FEPs in a manner consistent with, and used in, the Total System Performance Assessment-License Application (TSPA-LA). This document was prepared according to ''Technical Work Plan for Waste Form Degradation Modeling, Testing, and Analyses in Support of LA'' (BSC 2004a [DIRS 167796]).

E. Siegmann

2004-03-17T23:59:59.000Z

136

Increasing cellulose accessibility is more important than removing lignin: A comparison of cellulose solventbased lignocellulose fractionation and soaking in aqueous ammonia  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Increasing Increasing Cellulose Accessibility Is More Important Than Removing Lignin: A Comparison of Cellulose Solvent-Based Lignocellulose Fractionation and Soaking in Aqueous Ammonia Joseph A. Rollin, 1 Zhiguang Zhu, 1 Noppadon Sathitsuksanoh, 1,2 Y.-H. Percival Zhang 1,2,3 1 Biological Systems Engineering Department, Virginia Polytechnic Institute and State University, 210-A Seitz Hall, Blacksburg, Virginia 24061; telephone: 1-540-231-7414; fax: þ1- 540-231-3199; e-mail: ypzhang@vt.edu 2 Institute for Critical Technology and Applied Sciences (ICTAS), Virginia Polytechnic Institute and State University, Blacksburg, Virginia 3 DOE BioEnergy Science Center (BESC), Oak Ridge, Tennessee Received 18 May 2010; revision received 11 August 2010; accepted 17 August 2010 Published online 1 September 2010 in Wiley Online Library (wileyonlinelibrary.com). DOI 10.1002/bit.22919

137

Process Design and Economics for Biochemical Conversion of Lignocellulosic Biomass to Ethanol: Dilute-Acid Pretreatment and Enzymatic Hydrolysis of Corn Stover  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Biochemical Conversion of Biochemical Conversion of Lignocellulosic Biomass to Ethanol Dilute-Acid Pretreatment and Enzymatic Hydrolysis of Corn Stover D. Humbird, R. Davis, L. Tao, C. Kinchin, D. Hsu, and A. Aden National Renewable Energy Laboratory Golden, Colorado P. Schoen, J. Lukas, B. Olthof, M. Worley, D. Sexton, and D. Dudgeon Harris Group Inc. Seattle, Washington and Atlanta, Georgia Technical Report NREL/TP-5100-47764 May 2011 NREL is a national laboratory of the U.S. Department of Energy, Office of Energy Efficiency & Renewable Energy, operated by the Alliance for Sustainable Energy, LLC. National Renewable Energy Laboratory 1617 Cole Boulevard Golden, Colorado 80401 303-275-3000 * www.nrel.gov Contract No. DE-AC36-08GO28308

138

Conventional Medical Screening Program | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Conventional Medical Screening Program Conventional Medical Screening Program Conventional Medical Screening Program Medical screening is a strategy used to identify diseases or conditions in a select population at an early stage, often before signs and symptoms develop, and to refer individuals with suspicious findings to their personal physician or a specialist for further testing, diagnosis, and treatment. The program is not intended to serve as a substitute for routine medical exams through an individual's personal physician. The medical screening exam offered by the FWP evaluates an employee's health as it relates to their potential occupational exposures to hazardous agents. The FWP uses a customized medical screening protocol that was developed by a team of independent physicians specializing in occupational

139

Reverberatory screen for a radiant burner  

DOE Patents [OSTI]

The present invention relates to porous mat gas fired radiant burner panels utilizing improved reverberatory screens. The purpose of these screens is to boost the overall radiant output of the burner relative to a burner using no screen and the same fuel-air flow rates. In one embodiment, the reverberatory screen is fabricated from ceramic composite material, which can withstand higher operating temperatures than its metallic equivalent. In another embodiment the reverberatory screen is corrugated. The corrugations add stiffness which helps to resist creep and thermally induced distortions due to temperature or thermal expansion coefficient differences. As an added benefit, it has been unexpectedly discovered that the corrugations further increase the radiant efficiency of the burner. In a preferred embodiment, the reverberatory screen is both corrugated and made from ceramic composite material.

Gray, Paul E. (North East, MD)

1999-01-01T23:59:59.000Z

140

Amchitka Former Workers, Construction Worker Screening Projects |  

Broader source: Energy.gov (indexed) [DOE]

Amchitka Former Workers, Construction Worker Screening Projects Amchitka Former Workers, Construction Worker Screening Projects Amchitka Former Workers, Construction Worker Screening Projects Project Name: Building Trades National Medical Screening Program Covered DOE Site: Amchitka Worker Population Served: All workers Principal Investigator: Knut Ringen, DrPH, MHA, MPH Toll-free Telephone: (800) 866-9663 Website: http://www.btmed.org This project is intended to provide free medical screening to former workers in the building trades (construction workers). The screening targets health problems resulting from exposures, including asbestos, beryllium, cadmium, chromium, lead, mercury, noise, radiation, silica and/or solvents. The project is being carried out by a large group led by CPWR - The Center for Construction Research and Training, an applied

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Screening masses in thermal and dense medium  

E-Print Network [OSTI]

Screening masses of different hadronic states are studied in thermal and dense medium on lattice. It has been found that screening masses increase with the temperature. In deconfinement phase, chemical potential enhances the screening masses. We use the normalization with respect to lowest Matsubara frequency to characterize dissolving of hadronic bound states at high temperatures. It has been found that different hadronic states have different dissolving temperatures and their survivals are considerably improved at finite chemical potentials.

A. Tawfik

2006-05-29T23:59:59.000Z

142

Improving Screening Strategies for Prostate Cancer.  

E-Print Network [OSTI]

??abstractTh is thesis describes research on screening for prostate cancer. To improve understanding of the thesis, some background information will be provided in this introduction. (more)

T. Wolters (Tineke)

2010-01-01T23:59:59.000Z

143

Information, Planning, and Conservation (IPAC) online screening...  

Open Energy Info (EERE)

Information, Planning, and Conservation (IPAC) online screening tool Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- OtherOther: Information,...

144

Beryllium Vender Screening Program | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

through DOL's EEOICP. Former workers interested in medical screening can contact the Oak Ridge Institute of Science and Education at 1-866-219-3442. DOE beryllium vendor...

145

Updating Interconnection Screens for PV System Integration  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Abraham Ellis, Roger Hill Sandia National Laboratories Tom Key, Kristen Nicole, Jeff Smith Electric Power Research Institute Updating Interconnection Screens for PV System...

146

Screening in gated bilayer graphene  

Science Journals Connector (OSTI)

The tight-binding model of a graphene bilayer is used to find the gap between the conduction and valence bands, as a function of both the gate voltage and as the doping by donors or acceptors. The total Hartree energy is minimized and the equation for the gap is obtained. This equation for the ratio of the gap to the chemical potential is determined only by the screening constant. Thus the gap is strictly proportional to the gate voltage or the carrier concentration in the absence of donors or acceptors. In the opposite case, where the donors or acceptors are present, the gap demonstrates the asymmetrical behavior on the electron and hole sides of the gate bias.

L. A. Falkovsky

2009-09-30T23:59:59.000Z

147

Fusion Protein Products Screen Purify Detect Cleave  

E-Print Network [OSTI]

Fusion Protein Products · Screen · Purify · Detect · Cleave Fusion Protein Products · Screen researchers look to plasmid vectors to express fusion proteins, they find themselves in need of methods proteins is also included for those fusion proteins that may have an inaccessible tag. Pierce offers a host

Lebendiker, Mario

148

Beryllium Vender Screening Program | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Worker » Former Worker Program » Beryllium Worker » Former Worker Program » Beryllium Vender Screening Program Beryllium Vender Screening Program In February 2005, DOE expanded the beryllium screening program to include former employees of defunct DOE beryllium vendors who were employed with these companies while they performed work for DOE. This change was made to ensure that workers who no longer have an employer to turn to for beryllium disease testing could receive this important screening. DOE will offer these individuals a blood test at no cost to check for beryllium sensitization. DOE will pay for both the costs of drawing the blood and the analysis of the blood. If a screened individual receives an abnormal test for beryllium sensitization, they can receive medical monitoring for beryllium disease

149

Pre-Screening for Solar Projects on Federal Sites | Department...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Pre-Screening for Solar Projects on Federal Sites Pre-Screening for Solar Projects on Federal Sites Photo of a solar array. Conducting an agency-wide solar energy pre-screening is...

150

Production Worker Screening Projects | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Production Production Worker Screening Projects Production Worker Screening Projects Sites listed below are the primary DOE sites served. Production workers from DOE sites not listed below are covered by the National Supplemental Screening Program (NSSP). Additional information regarding NSSP can be found on their website or by calling 1-866-812-6703. California: Lawrence Berkeley National Laboratory Lawrence Livermore National Laboratory Sandia National Laboratories (Livermore, CA) Colorado: Rocky Flats Florida: Pinellas Idaho: Argonne National Laboratory-West Idaho National Laboratory Illinois: Argonne National Laboratory Fermi National Accelerator Laboratory Iowa: Ames Laboratory Iowa Army Ammunition Plant Kentucky: Paducah Gaseous Diffusion Plant Missouri: Kansas City Plant Nevada:

151

Updating Interconnection Screens for PV System Integration  

SciTech Connect (OSTI)

This white paper evaluates the origins and usefulness of the capacity penetration screen, offer short-term solutions which could effectively allow fast-track interconnection to many PV system applications, and considers longer-term solutions for increasing PV deployment levels in a safe and reliable manner while reducing or eliminating the emphasis on the penetration screen. Short-term and longer-term alternatives approaches are offered as examples; however, specific modifications to screening procedures should be discussed with stakeholders and must ultimately be adopted by state and federal regulatory bodies.

Coddington, M.; Mather, B.; Kroposki, B.; Lynn, K.; Razon, A.; Ellis, A.; Hill, R.; Key, T.; Nicole, K.; Smith, J.

2012-02-01T23:59:59.000Z

152

Construction Worker Screening Projects | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Worker » Former Worker Program » Worker » Former Worker Program » Construction Worker Screening Projects Construction Worker Screening Projects Sites listed below are the primary DOE sites served. Construction workers from DOE sites not listed below are covered by the Building Trades National Medical Screening Program (BTMed). Additional information regarding BTMed can be found on their website or by calling 1-800-866-9663. Alaska: Amchitka California: Lawrence Berkeley National Laboratory Lawrence Livermore National Laboratory Sandia National Laboratories (Livermore, CA) Colorado: Rocky Flats Florida: Pinellas Idaho: Argonne National Laboratory-West Idaho National Laboratory Illinois: Argonne National Laboratory Fermi National Accelerator Laboratory Iowa: Ames Laboratory Iowa Army Ammunition Plant

153

Renewable Energy Screening for All ESPCs | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Renewable Energy Screening for All ESPCs Renewable Energy Screening for All ESPCs Document helps Federal agencies provide data national laboratories need to conduct prescreening...

154

High-Throughput and Combinatorial Screening of Hydrogen Storage...  

Broader source: Energy.gov (indexed) [DOE]

High-Throughput and Combinatorial Screening of Hydrogen Storage Materials (presentation) High-Throughput and Combinatorial Screening of Hydrogen Storage Materials (presentation)...

155

High Throughput/Combinatorial Screening of Hydrogen Storage Materials...  

Broader source: Energy.gov (indexed) [DOE]

UOP LLC. All rights reserved. High ThroughputCombinatorial Screening of Hydrogen Storage Materials: UOP Approaches High ThroughputCombinatorial Screening of Hydrogen Storage...

156

High Throughput/Combinatorial Screening of Hydrogen Storage Materials...  

Broader source: Energy.gov (indexed) [DOE]

High ThroughputCombinatorial Screening of Hydrogen Storage Materials (presentation) High ThroughputCombinatorial Screening of Hydrogen Storage Materials (presentation) Presented...

157

High Throughput/Combinatorial Screening of Hydrogen Storage Materials...  

Broader source: Energy.gov (indexed) [DOE]

ThroughputCombinatorial Screening of Hydrogen Storage Materials: UOP Approaches High ThroughputCombinatorial Screening of Hydrogen Storage Materials: UOP Approaches Presentation...

158

Agency-Wide Screening | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Agency-Wide Screening Agency-Wide Screening Agency-Wide Screening October 16, 2013 - 4:36pm Addthis Federal agencies face energy-related requirements on new construction projects and major renovations. These Federal requirements range from reductions in fossil-fuel use to specifying the use of certain renewable energy technologies. As some agencies have already found out, not all sites or construction projects are created equal. Because many of the requirements are agency-wide, an effective and efficient way to meet these requirements is to consider and identify appropriate locations for these technologies across all agency land and building assets. FEMP can help Federal agencies conduct a renewable energy screening at all of its sites, or just at all of its upcoming construction project

159

Former Worker Medical Screening Program Brochure  

Broader source: Energy.gov [DOE]

The FWP brochure provides important information to inform former and current DOE Federal, contractor, and subcontractor employees about the benefits and services offered under the DOE Former Worker Medical Screening Program.

160

Preventive Health Screenings | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

leave year Preventive Health Screenings Responsible Contacts Bruce Murray HR Policy Advisor E-mail bruce.murray@hq.doe.gov Phone 202-586-3372 More Documents & Publications DOE...

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Laser perforation of screen vacuum thermal insulation  

Science Journals Connector (OSTI)

This paper presents the results of the process of laser perforation of screen vacuum thermal insulation and shows that it has high efficiency. The use of various types of IR lasers...

Sysoev, V K; Vyatlev, P A; Zakharchenko, A V

2007-01-01T23:59:59.000Z

162

Screening citrus rootstocks for alkalinity tolerance  

E-Print Network [OSTI]

SCREENING CITRUS ROOTSTOCKS FOR ALKALINITY TOLERANCE A Thesis by SUDAHONO Submitted to the Office of Graduate Studies of Texas ALM University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE August 1991 Major... Subject: Horticulture SCREENING CITRUS ROOTSTOCKS FOR ALKALINITY TOLERANCE A Thesis by SUDAHONO Approved as to style and content by: David H. yr (Chair of Com ttee) Robert E. Rouse (Member) ~. Err. tg~i ~PI. ~~ Frank M. Hone (Member) Calvin G...

Sudahono

2012-06-07T23:59:59.000Z

163

Screening of a hypercritical charge in graphene  

Science Journals Connector (OSTI)

Screening of a large external charge in graphene is studied. The charge is assumed to be displaced away or smeared over a finite region of the graphene plane. The initial decay of the screened potential with distance is shown to follow the 3?2 power. It gradually changes to the Coulomb law outside of a hypercritical core whose radius is proportional to the external charge.

M. M. Fogler; D. S. Novikov; B. I. Shklovskii

2007-12-05T23:59:59.000Z

164

Cost-Effectiveness of CT Screening in the National Lung Screening Trial  

Science Journals Connector (OSTI)

Lung cancer is the leading cause of cancer-related deaths in the United States; however, until recently, no method of screening had been shown to reduce mortality from lung cancer. The National Lung Screening Trial (NLST) showed that screening with low-dose helical computed tomography (CT) of the... The screening of persons at risk for lung cancer may reduce lung-cancer mortality by 20%. Although cost-effectiveness estimates vary widely depending on assumptions, a careful analysis indicates that the cost is $81,000 per quality-adjusted life-year.

Black W.C.; Gareen I.F.; Soneji S.S.

2014-11-06T23:59:59.000Z

165

Ecological Screening Values for Surface Water, Sediment, and Soil  

SciTech Connect (OSTI)

This document provides a comprehensive listing of ecological screening values for surface water, sediment, and soil.

Friday, G. P.

1999-03-15T23:59:59.000Z

166

HUD CHP GUIDE #2- FEASIBILITY SCREENING FOR CHP IN MULTIFAMILY HOUSING, May 2009  

Broader source: Energy.gov [DOE]

Guide shows the screens for the feasibility screening tool, computer software prepared for HUD by ORNL

167

Steady-State Screening-Photovoltaic Spatial Solitons in the  

Science Journals Connector (OSTI)

The theory of the screening-photovoltaic solitons is improved in biased photorefractive-photovoltaic crystals. When the photovoltaic effect is negligible, the screening-photovoltaic solitons are the screening ones, and their space-charge field is the space-charge field of the screening solitons. If the external field is absent, the screening-photovoltaic solitons are the photovoltaic ones on the open- and closed-circuit conditions, and their space-charge field is of the photovoltaic solitons. We also show theoretically that the screening and the photovoltaic solitons on the open- and closed-circuit conditions may be studies together as the screening-photovoltaic solitons.

Lu Ke-Qing; Zhang Yan-Peng; Tang Tian-Tong; Lu Zhi-Xian; Liu Lin

2001-01-01T23:59:59.000Z

168

A. Ford and H. Flynn: Statistical Screening of Models 273 Statistical screening of system dynamics  

E-Print Network [OSTI]

in the information spectrum in Figure 1. Hard sources include physical laws and the results of controlled experimentsA. Ford and H. Flynn: Statistical Screening of Models 273 Statistical screening of system dynamics models Andrew Forda * and Hilary Flynnb Abstract This paper describes a pragmatic method of searching

Ford, Andrew

169

CHEMICAL SENSOR AND FIELD SCREENING TECHNOLOGY DEVELOPMENT: FUELS IN SOILS FIELD SCREENING METHOD VALIDATION  

SciTech Connect (OSTI)

A new screening method for fuel contamination in soils was recently developed as American Society for Testing and Materials (ASTM) Method D-583 1-95, Standard Test Method for Screening Fuels in Soils. This method uses low-toxicity chemicals and can be used to screen organic-rich soils. In addition, it is fast, easy, and inexpensive to perform. The screening method calls for extracting a sample of soil with isopropyl alcohol following treatment with calcium oxide. The resulting extract is filtered, and the ultraviolet absorbance of the extract is measured at 254 nm. Depending on the available information concerning the contaminant fuel type and availability of the contaminant fuel for calibration, the method can be used to determine the approximate concentration of fuel contamination, an estimated value of fuel contamination, or an indication of the presence or absence of fuel contamination. Fuels containing aromatic compounds, such as diesel fuel and gasoline, as well as other aromatic-containing hydrocarbon materials, such as motor oil, crude oil, and coal oil, can be determined. The screening method for fuels in soils was evaluated by conducting a collaborative study on the method and by using the method to screen soil samples at an actual field site. In the collaborative study, a sand and an organic soil spiked with various concentrations of diesel fuel were tested. Data from the collaborative study were used to determine the reproducibility (between participants) and repeatability (within participant) precision of the method for screening the test materials. The collaborative study data also provide information on the performance of portable field equipment versus laboratory equipment for performing the screening method and a comparison of diesel concentration values determined using the screening method versus a laboratory method. Data generated using the method to screen soil samples in the field provide information on the performance of the method in atypical real-world application.

Susan S. Sorini; John F. Schabron

1997-04-01T23:59:59.000Z

170

Dainippon Screen Mfg Co | Open Energy Information  

Open Energy Info (EERE)

Dainippon Screen Mfg Co Dainippon Screen Mfg Co Jump to: navigation, search Name Dainippon Screen Mfg Co Place Kyoto, Kyoto, Japan Sector Solar Product Japan-based company engaged in the manufacture and sale of electronic equipment and image information processing and solar PV product production equipment Coordinates 35.098129°, 135.718933° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":35.098129,"lon":135.718933,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

171

RENEWABLE ENERGY SCREENING FOR ALL ESPCs  

Broader source: Energy.gov (indexed) [DOE]

RENEWABLE ENERGY SCREENING FOR ALL ESPCs RENEWABLE ENERGY SCREENING FOR ALL ESPCs The Department of Energy's (DOE) Federal Energy Management Program (FEMP) Energy Savings Performance Contracts (ESPC) program has funded DOE National Laboratories to support agencies with increasing use of renewable energy technologies required per EPACT 2005 and Executive Order 13423. To utilize the no-cost support, the National Laboratories require some easily accessible high-level site and related energy data to conduct pre- screening analysis. The objective is to identify the economic feasibility of renewable technologies - wind, solar, and biomass power generation applications - that could be considered as Energy Conservation Measures (ECMs) in your ESPC. The National Laboratories commit to turning around

172

Former Worker Medical Screening Program Brochure | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Medical Screening Program Brochure Medical Screening Program Brochure Former Worker Medical Screening Program Brochure June 2012 The FWP brochure provides important information to inform former and current DOE Federal, contractor, and subcontractor employees about the benefits and services offered under the DOE Former Worker Medical Screening Program. Some of the topics described in the brochure include: a description of the program, how it is implemented, who is eligible to participate, what tests are offered, where exams are conducted, and what organizations provide the exams. Former Worker Medical Screening Program Brochure More Documents & Publications Former Worker Program Brochure Former Worker Program Summary of Services 2012 Former Worker Medical Screening Program Annual Report

173

Suppression of color screening at large N  

Science Journals Connector (OSTI)

In large-N QCD, deconfinement by color screening is suppressed. The adjoint string tension is twice the fundamental string tension. Consequences for models of confinement are discussed, and a simple model of a confining large-N master field is given.

J. Greensite and M. B. Halpern

1983-05-15T23:59:59.000Z

174

D & D screening risk evaluation guidance  

SciTech Connect (OSTI)

The Screening Risk Evaluation (SRE) guidance document is a set of guidelines provided for the uniform implementation of SREs performed on decontamination and decommissioning (D&D) facilities. Although this method has been developed for D&D facilities, it can be used for transition (EM-60) facilities as well. The SRE guidance produces screening risk scores reflecting levels of risk through the use of risk ranking indices. Five types of possible risk are calculated from the SRE: current releases, worker exposures, future releases, physical hazards, and criticality. The Current Release Index (CRI) calculates the current risk to human health and the environment, exterior to the building, from ongoing or probable releases within a one-year time period. The Worker Exposure Index (WEI) calculates the current risk to workers, occupants and visitors inside contaminated D&D facilities due to contaminant exposure. The Future Release Index (FRI) calculates the hypothetical risk of future releases of contaminants, after one year, to human health and the environment. The Physical Hazards Index (PHI) calculates the risks to human health due to factors other than that of contaminants. Criticality is approached as a modifying factor to the entire SRE, due to the fact that criticality issues are strictly regulated under DOE. Screening risk results will be tabulated in matrix form, and Total Risk will be calculated (weighted equation) to produce a score on which to base early action recommendations. Other recommendations from the screening risk scores will be made based either on individual index scores or from reweighted Total Risk calculations. All recommendations based on the SRE will be made based on a combination of screening risk scores, decision drivers, and other considerations, as determined on a project-by-project basis.

Robers, S.K.; Golden, K.M.; Wollert, D.A.

1995-09-01T23:59:59.000Z

175

THOMPSON ET AL.: RAPID SPECTRAL CLOUD SCREENING 1 Rapid spectral cloud screening onboard aircraft and  

E-Print Network [OSTI]

--Imaging Spectroscopy, Lossy Compression, Cloud Screening, Pattern Recognition, Real Time Systems I. INTRODUCTION FUTURE NASA Earth science missions will face unprece- dented data volumes. Data product sizes and produc- tion

176

'ELECTRIC FISH SCREEN By F. O. McMILLAN  

E-Print Network [OSTI]

'ELECTRIC FISH SCREEN .:f- By F. O. McMILLAN Associate Professor of Electrical Engineering, Oregon ~ '~ ' Electric screen ,_, _ Acknowledgments , , , _ Problems investigated ~ ~ ~ _ Experimentaldata -------- _ Observations after electrical tests ~ ~ _ Influence of water .lsistivity on the paralysis-voltage gradient

177

Development and optimization of high-throughput zebrafish screening platform  

E-Print Network [OSTI]

The high-throughput zebrafish screening platform is a revolutionary tool that enables subcellular precision in vivo whole animal screening of Danio Rerio. It can perform laser surgery and/or imaging in less than twenty ...

Koo, Bryan Kyo

2010-01-01T23:59:59.000Z

178

Screened Hybrid and DFT + U Studies of the Structural, Electronic...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Screened Hybrid and DFT + U Studies of the Structural, Electronic, and Optical Properties of U3O8. Screened Hybrid and DFT + U Studies of the Structural, Electronic, and Optical...

179

Weakly screened thermonuclear reactions in astrophysical plasmas: Improving Salpeter's model  

E-Print Network [OSTI]

This paper presents a detailed study of the electron degeneracy and nonlinear screening effects which play a crucial role in the validity of Salpeter's weak-screening model. The limitations of that model are investigated and an improved one is proposed which can take into account nonlinear screening effects. Its application to the solar pp reaction derives an accurate screening enhancement factor and provides a very reliable estimation of the associated neutrino flux uncertanties.

Theodore E. Liolios

2003-06-23T23:59:59.000Z

180

Guidance for Developing Ecological Soil Screening Levels  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Developing Developing Ecological Soil Screening Levels OSWER Directive 9285.7-55 U.S. Environmental Protection Agency Office of Solid Waste and Emergency Response 1200 Pennsylvania Avenue, N.W. Washington, DC 20460 November 2003 This Page Intentionally Left Blank EXECUTIVE SUMMARY This document describes the process used to derive a set of risk-based ecological soil screening levels (Eco-SSLs) for many of the soil contaminants that are frequently of ecological concern for plants and animals at hazardous waste sites and provides guidance for their use. The Eco-SSL derivation process represents the group effort of a multi-stakeholder workgroup consisting of federal, state, consulting, industry, and academic participants led by the U.S. Environmental Protection Agency Office of Superfund Remediation and Technology Innovation (OSRTI). The

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Color screening in cold quark matter  

E-Print Network [OSTI]

We compute color screening at finite quark chemical potentials cold quark matter at the one-loop level, comparing the normal, BCS paired U(1)_em, or Higgs, and a singlet phase with color-singlet condensate near the Fermi surface. The latter phase is computed in the example of two-color QCD with a color singlet diquark condensate. In contrast to the normal and Higgs phases, neither electric nor magnetic screening masses appear in the singlet phase. The absence of a magnetic mass, within a perturbative framework, is a consequence of proper treatment of gauge invariance. While at large momenta the gluon self-energies approach those in the normal phase, the medium contributions to the infrared region below a scale of the mass gap are substantially suppressed. Infrared gluons at low quark density in the singlet phase appear protected from medium effects, unless the quark-gluon vertices are significantly enhanced in the infrared.

Kojo, Toru

2014-01-01T23:59:59.000Z

182

Surfactant screening of diesel-contaminated soil  

SciTech Connect (OSTI)

At one installation, approximately 60,000 gal of No. 2 diesel fuel leaked into the subsurface environment, with contamination at depths of 6 to 34 m below the surface. Argonne National Laboratory was contracted to perform treatability studies for site remediation. The treatability studies focused on four separate phases: (1) leachability studies on the various contaminated soil borings, (2) air stripping studies, (3) bioremediation studies, and (4) surfactant screening/surfactant flooding studies. This paper summarizes the fourth phase of the research program in which twenty-one surfactants were screened for possible use to mobilize the organics from the contaminated soil prior to bioremediation. Anionic surfactants resulted in the greatest degree of diesel mobilization. The most promising surfactants will be employed on actual contaminated soil samples obtained from the site. 18 refs., 16 figs., 1 tab.

Peters, R.W.; Montemagno, C.D.; Shem, L. (Argonne National Lab., IL (USA)); Lewis, B.A. (Northwestern Univ., Evanston, IL (USA). Dept. of Civil Engineering)

1990-01-01T23:59:59.000Z

183

Screening current effects in Josephson junction arrays  

E-Print Network [OSTI]

The purpose of this work is to compare the dynamics of arrays of Josephson junctions in presence of magnetic field in two different frameworks: the so called XY frustrated model with no self inductance and an approach that takes into account the screening currents (considering self inductances only). We show that while for a range of parameters the simpler model is sufficiently accurate, in a region of the parameter space solutions arise that are not contained in the XY model equations.

A. Petraglia; G. Filatrella; G. Rotoli

1995-07-28T23:59:59.000Z

184

Updating Technical Screens for PV Interconnection: Preprint  

SciTech Connect (OSTI)

Solar photovoltaics (PV) is the dominant type of distributed generation (DG) technology interconnected to electric distribution systems in the United States, and deployment of PV systems continues to increase rapidly. Considering the rapid growth and widespread deployment of PV systems in United States electric distribution grids, it is important that interconnection procedures be as streamlined as possible to avoid unnecessary interconnection studies, costs, and delays. Because many PV interconnection applications involve high penetration scenarios, the process needs to allow for a sufficiently rigorous technical evaluation to identify and address possible system impacts. Existing interconnection procedures are designed to balance the need for efficiency and technical rigor for all DG. However, there is an implicit expectation that those procedures will be updated over time in order to remain relevant with respect to evolving standards, technology, and practical experience. Modifications to interconnection screens and procedures must focus on maintaining or improving safety and reliability, as well as accurately allocating costs and improving expediency of the interconnection process. This paper evaluates the origins and usefulness of the capacity penetration screen, offers potential short-term solutions which could effectively allow fast-track interconnection to many PV system applications, and considers longer-term solutions for increasing PV deployment levels in a safe and reliable manner while reducing or eliminating the emphasis on the penetration screen.

Coddington, M.; Ellis, A.; Lynn, K.; Razon, A.; Key, T.; Kroposki, B.; Mather, B.; Hill, R.; Nicole, K.; Smith, J.

2012-08-01T23:59:59.000Z

185

Screening technology reduces ash in spiral circuits  

SciTech Connect (OSTI)

In 2006, the James River Coal Co. selected the Stack Sizer to remove the minus 100 mesh high ash clay fraction from the clean coal spiral product circuits at the McCoy-Elkhorn Bevins Branch prep plant and at the Blue Diamond Leatherwood prep plant in Kentucky. The Stack Sizer is a multi-deck, high-frequency vibrating screen capable of separations as fine as 75 microns when fitted with Derrick Corp.'s patented high open area urethane screen panels. Full-scale lab tests and more than 10 months of continuous production have confirmed that the Stack Sizer fitted with Derrick 100 micron urethane screen panels consistently produces a clean coal fraction that ranges from 8 to 10% ash. Currently, each five-deck Stack Sizer operating at the Bevins Branch and Leatherwood prep plants is producing approximately 33 tons per hour of clean coal containing about 9% ash. This represents a clean coal yield of about 75% and an ash reduction of about 11% from the feed slurry. 3 figs. 2 tabs.

Brodzik, P. [Derrick Corp., Buffalo, NY (United States)

2007-05-15T23:59:59.000Z

186

Process Design and Economics for the Conversion of Lignocellulosic Biomass to Hydrocarbons: Dilute-Acid and Enzymatic Deconstruction of Biomass to Sugars and Biological Conversion of Sugars to Hydrocarbons  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Process Design and Economics Process Design and Economics for the Conversion of Lignocellulosic Biomass to Hydrocarbons: Dilute-Acid and Enzymatic Deconstruction of Biomass to Sugars and Biological Conversion of Sugars to Hydrocarbons R. Davis, L. Tao, E.C.D. Tan, M.J. Biddy, G.T. Beckham, and C. Scarlata National Renewable Energy Laboratory J. Jacobson and K. Cafferty Idaho National Laboratory J. Ross, J. Lukas, D. Knorr, and P. Schoen Harris Group Inc. Technical Report NREL/TP-5100-60223 October 2013 NREL is a national laboratory of the U.S. Department of Energy Office of Energy Efficiency & Renewable Energy Operated by the Alliance for Sustainable Energy, LLC. This report is available at no cost from the National Renewable Energy Laboratory (NREL) at www.nrel.gov/publications.

187

Savannah River Site, Former Production Workers Screening Projects |  

Broader source: Energy.gov (indexed) [DOE]

Site, Former Production Workers Screening Projects Site, Former Production Workers Screening Projects Savannah River Site, Former Production Workers Screening Projects Project Name: National Supplemental Screening Program Covered DOE Site: SRS Worker Population Served: Production Workers Principal Investigator: Donna Cragle, PhD Toll-free Telephone: (866) 812-6703 Website: http://www.orau.org/nssp/ This project is conducted by the Oak Ridge Associated Universities (ORAU), as a component of its National Supplemental Screening Program. ORAU has teamed with its partners, Comprehensive Health Services, National Jewish Health, the University of Colorado Denver, and Axion Health, to run the program. Construction Worker Screening Projects Construction Worker Projects, Former Worker Medical Screening Program (FWP)

188

Licensing : BioEnergy Science Center  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Inventions Inventions 32 records A Broad Environmental Stress-Inducible Promoter and its Application in Crops A Novel Monolignol that reduces recalcitrance of plant cell walls Caloramator sp. Tolerance of Pretreatment Inhibitors from LIgnocellulosics Cellulose and xylan fermentation by novel anaerobic thermophilic clostridia isolated from self-heated biocompost Compositions and Methods for Improved Plant Feedstock Consolidated Bioprocessing Method using Thermophilic Microorganisms Engineering male sterility or non-transgenic pollen by pollen-specific expression of a restriction enzyme Flow-through Pretreatment of Lignocellulosic Biomass with Inorganic Nanoporous Membranes Gene and Gene Clusters that Enable Degradation of Recalcitrant Biological Materials Genes to Increase Growth in Monocots

189

Apparatus for combinatorial screening of electrochemical materials  

DOE Patents [OSTI]

A high throughput combinatorial screening method and apparatus for the evaluation of electrochemical materials using a single voltage source (2) is disclosed wherein temperature changes arising from the application of an electrical load to a cell array (1) are used to evaluate the relative electrochemical efficiency of the materials comprising the array. The apparatus may include an array of electrochemical cells (1) that are connected to each other in parallel or in series, an electronic load (2) for applying a voltage or current to the electrochemical cells (1), and a device (3), external to the cells, for monitoring the relative temperature of each cell when the load is applied.

A high throughput combinatorial screening method and apparatus for the evaluation of electrochemical materials using a single voltage source (2) is disclosed wherein temperature changes arising from the application of an electrical load to a cell array (1) are used to evaluate the relative electrochemical efficiency of the materials comprising the array. The apparatus may include an array of electrochemical cells (1) that are connected to each other in parallel or in series, an electronic load (2) for applying a voltage or current to the electrochemical cells (1), and a device (3), external to the cells, for monitoring the relative temperature of each cell when the load is applied.

2009-12-15T23:59:59.000Z

190

Abstract B54: Latina farmworkers: Relationships between Pap screening behaviors, acculturation, and cultural cancer screening scales  

Science Journals Connector (OSTI)

...screening behavior and intent to undergo Pap tests among Mexican farmworker women in South...specified 1) Mexican immigrant, 2) no Pap test in over 2 years, 3) 20 women who lived...assessed using the Kruskal-Wallis rank test. When the test was statistically significant...

Lisa C. Watson; Yelena Tarasenko; Moya Alfonso; Claudia Reyes-Garcia; John S. Luque

2014-11-01T23:59:59.000Z

191

Non-equilibrium thermodynamics of gravitational screens  

E-Print Network [OSTI]

We study the Einstein gravity equations projected on a timelike surface, which represents the time evolution of what we call a gravitational screen. We show that such a screen possesses a surface tension and an internal energy, and that the Einstein equations reduce to the thermodynamic equations of a viscous bubble. We also provide a complete dictionary between gravitational and thermodynamical variables. In the non-viscous cases there are three thermodynamic equations which characterise a bubble dynamics: These are the first law, the Marangoni flow equation and the Young-Laplace equation. In all three equations the surface tension plays a central role: In the first law it appears as a work term per unit area, in the Marangoni flow its gradient drives a force, and in the Young-Laplace equation it contributes to a pressure proportional to the surface curvature. The gravity equations appear as a natural generalization of these bubble equations when the bubble itself is viscous and dynamical. In particular, it shows that the mechanism of entropy production for the viscous bubble is mapped onto the production of gravitational waves. We also review the relationship between surface tension and temperature, and discuss the usual black-hole thermodynamics from this point of view.

Laurent Freidel; Yuki Yokokura

2014-05-19T23:59:59.000Z

192

Color screening in cold quark matter  

E-Print Network [OSTI]

We compute---at finite quark chemical potentials---the color screening of cold quark matter at the one-loop level, comparing the normal, BCS-paired U(1)em (or Higgs) phase and a singlet phase with color-singlet condensate near the Fermi surface. The latter phase is computed using the example of two-color QCD with a color-singlet diquark condensate. In contrast to the normal and Higgs phases, neither electric nor magnetic screening masses appear in the singlet phase. The absence of a magnetic mass, within a perturbative framework, is a consequence of the proper treatment of gauge invariance. While at large momenta the gluon self-energies approach those in the normal phase, the medium contributions to the infrared region below a scale of the mass gap are substantially suppressed. Infrared gluons at low quark density in the singlet phase appear protected from medium effects, unless the quark-gluon vertices are significantly enhanced in the infrared.

Toru Kojo; Gordon Baym

2014-04-04T23:59:59.000Z

193

FIELD SCREENING FOR HALOGENATED VOLATILE ORGANIC COMPOUNDS  

SciTech Connect (OSTI)

Western Research Institute (WRI) initiated exploratory work towards the development of new field screening methodology and a test kit to measure halogenated volatile organic compounds (VOCs) in the field. Heated diode and corona discharge sensors are commonly used to detect leaks of refrigerants from air conditioners, freezers, and refrigerators. They are both selective to the presence of carbon-halogen bonds. Commercially available heated diode and corona discharge leak detectors were procured and evaluated for halogenated VOC response. The units were modified to provide a digital readout of signal related to VOC concentration. Sensor response was evaluated with carbon tetrachloride and tetrachloroethylene (perchloroethylene, PCE), which represent halogenated VOCs with and without double bonds. The response characteristics were determined for the VOCs directly in headspace in Tedlar bag containers. Quantitation limits in air were estimated. Potential interferences from volatile hydrocarbons, such as toluene and heptane, were evaluated. The effect of humidity was studied also. The performance of the new devices was evaluated in the laboratory by spiking soil samples and monitoring headspace for halogenated VOCs. A draft concept of the steps for a new analytical method was outlined. The results of the first year effort show that both devices show potential utility for future analytical method development work towards the goal of developing a portable test kit for screening halogenated VOCs in the field.

John F. Schabron; Joseph F. Rovani Jr.; Theresa M. Bomstad

2002-06-01T23:59:59.000Z

194

Weldon Spring Plant, Former Construction Workers Screening Projects |  

Broader source: Energy.gov (indexed) [DOE]

Workers Screening Projects Workers Screening Projects Weldon Spring Plant, Former Construction Workers Screening Projects Project Name: Building Trades National Medical Screening Program Covered DOE Site: Weldon Spring Plant Worker Population Served: Construction workers Principal Investigator: Knut Ringen, DrPH, MHA, MPH Toll-free Telephone: (800) 866-9663 Website: http://www.btmed.org This project is intended to provide free medical screening to former workers in the building trades (construction workers). The screening targets health problems resulting from exposures, including asbestos, beryllium, cadmium, chromium, lead, mercury, noise, radiation, silica and/or solvents. The project is being carried out by a large group led by CPWR - The Center for Construction Research and Training, an applied

195

Hanford Former Workers, Construction Worker Screening Projects | Department  

Broader source: Energy.gov (indexed) [DOE]

Hanford Former Workers, Construction Worker Screening Projects Hanford Former Workers, Construction Worker Screening Projects Hanford Former Workers, Construction Worker Screening Projects Project Name: Building Trades National Medical Screening Program Covered DOE Site: Hanford Worker Population Served: Construction Workers Principal Investigator: Knut Ringen, DrPH, MHA, MPH Toll-free Telephone: (800) 866-9663 Local Outreach Office: Sherry Gosseen 3021 W. Clearwater Ave., Ste. 204 Kennewick, WA 99336 Website: http://www.btmed.org This project is intended to provide free medical screening to former workers in the building trades (construction workers). The screening targets health problems resulting from exposures, including asbestos, beryllium, cadmium, chromium, lead, mercury, noise, radiation, silica and/or solvents. The project is being carried out by a large group led by

196

Weldon Spring Plant, Former Construction Worker Screening Projects |  

Broader source: Energy.gov (indexed) [DOE]

Weldon Spring Plant, Former Construction Worker Screening Projects Weldon Spring Plant, Former Construction Worker Screening Projects Weldon Spring Plant, Former Construction Worker Screening Projects Project Name: Building Trades National Medical Screening Program Covered DOE Site: Weldon Spring Plant Worker Population Served: Construction workers Principal Investigator: Knut Ringen, DrPH, MHA, MPH Toll-free Telephone: (800) 866-9663 Website: http://www.btmed.org This project is intended to provide free medical screening to former workers in the building trades (construction workers). The screening targets health problems resulting from exposures, including asbestos, beryllium, cadmium, chromium, lead, mercury, noise, radiation, silica and/or solvents. The project is being carried out by a large group led by CPWR - The Center for Construction Research and Training, an applied

197

Fuel Cell Technologies Office: HT Combinatorial Screening of Novel  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

HT Combinatorial HT Combinatorial Screening of Novel Materials for High Capacity Hydrogen Storage Video (Text Alternative) to someone by E-mail Share Fuel Cell Technologies Office: HT Combinatorial Screening of Novel Materials for High Capacity Hydrogen Storage Video (Text Alternative) on Facebook Tweet about Fuel Cell Technologies Office: HT Combinatorial Screening of Novel Materials for High Capacity Hydrogen Storage Video (Text Alternative) on Twitter Bookmark Fuel Cell Technologies Office: HT Combinatorial Screening of Novel Materials for High Capacity Hydrogen Storage Video (Text Alternative) on Google Bookmark Fuel Cell Technologies Office: HT Combinatorial Screening of Novel Materials for High Capacity Hydrogen Storage Video (Text Alternative) on Delicious Rank Fuel Cell Technologies Office: HT Combinatorial Screening of

198

Savannah River Site, Former Construction Worker Screening Projects |  

Broader source: Energy.gov (indexed) [DOE]

Savannah River Site, Former Construction Worker Screening Projects Savannah River Site, Former Construction Worker Screening Projects Savannah River Site, Former Construction Worker Screening Projects Project Name: Building Trades National Medical Screening Program Covered DOE Site: SRS Worker Population Served: Construction Workers Principal Investigator: Knut Ringen, DrPH, MHA, MPH Toll-free Telephone: (800) 866-9663 Local Outreach Office: Charles Jernigan 1250 A Reynolds Street Augusta, GA 30901 Website: http://www.btmed.org This project is intended to provide free medical screening to former workers in the building trades (construction workers). The screening targets health problems resulting from exposures, including asbestos, beryllium, cadmium, chromium, lead, mercury, noise, radiation, silica and/or solvents. The project is being carried out by a large group led by

199

Former Worker Medical Screening Program Implementation | Department of  

Broader source: Energy.gov (indexed) [DOE]

Former Former Worker Medical Screening Program Implementation Former Worker Medical Screening Program Implementation Program implementation focuses on four specific activities, which are: Outreach: Identify and notify eligible DOE workers about FWP medical screening services. Medical Screening: Provide medical screening exams that are designed to check for health conditions related to occupational exposures to former workers who choose to participate in the program, including a re-screen exam every three years. Communicating Results: Provide exam results to participants, as well as information regarding any conditions that may require follow-up medical care with their personal physicians or specialists, and provide information regarding possible compensation for work-related illnesses. Follow-up care

200

2012 Former Worker Medical Screening Program Annual Report | Department of  

Broader source: Energy.gov (indexed) [DOE]

Information Center » Worker » Former Worker Program » 2012 Information Center » Worker » Former Worker Program » 2012 Former Worker Medical Screening Program Annual Report 2012 Former Worker Medical Screening Program Annual Report February 2013 The 2012 Annual Report presents a detailed overview of the accomplishments, progress, and future endeavors of the U.S. Department of Energy Former Worker Medical Screening Program. The report describes how the program is implemented, what organizations are involved in the medical screening efforts, and what the medical findings have been to date. 2012 Former Worker Medical Screening Program Annual Report More Documents & Publications Former Worker Program Medical Protocol Former Worker Medical Screening Program Brochure Former Worker Program Brochure DOE Technical Standards Program

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Bush Administration to Expand Beryllium Disease Screening Program |  

Broader source: Energy.gov (indexed) [DOE]

Bush Administration to Expand Beryllium Disease Screening Program Bush Administration to Expand Beryllium Disease Screening Program Bush Administration to Expand Beryllium Disease Screening Program February 23, 2005 - 10:27am Addthis Former employees of DOE vendors eligible for free screening WASHINGTON, DC - U.S. Secretary of Energy Samuel W. Bodman today announced the Department of Energy (DOE) will expand a beryllium screening program to include former employees of now-defunct DOE beryllium vendor companies across the country. Beryllium is a component used in nuclear weapons built by the Department of Energy. "Through no fault of their own, these Cold Warriors were left out in the cold when their former employers went out of business. By expanding this screening program, President Bush and the Department of Energy honor these

202

Paducah Gaseous Diffusion Plant, Construction Worker Screening Project |  

Broader source: Energy.gov (indexed) [DOE]

Paducah Gaseous Diffusion Plant, Construction Worker Screening Paducah Gaseous Diffusion Plant, Construction Worker Screening Project Paducah Gaseous Diffusion Plant, Construction Worker Screening Project Project Name: Building Trades National Medical Screening Program Covered DOE Site: Paducah Worker Population Served: Construction Workers Principal Investigator: Knut Ringen, DrPH, MHA, MPH Toll-free Telephone: (888) 464-0009 Local Outreach Office: Joe Hudson 1930 North 13th Street Paducah, KY 42001 Website: http://www.btmed.org This project is intended to provide free medical screening to former workers in the building trades (construction workers). The screening targets health problems resulting from exposures, including asbestos, beryllium, cadmium, chromium, lead, mercury, noise, radiation, silica and/or solvents. The project is being carried out by a large group led by

203

Federal Renewable Energy Screening Assistant | Open Energy Information  

Open Energy Info (EERE)

Federal Renewable Energy Screening Assistant Federal Renewable Energy Screening Assistant Jump to: navigation, search Tool Summary Name: Federal Renewable Energy Screening Assistant (FRESA) Agency/Company /Organization: NREL Sector: Energy Focus Area: Biomass, Solar, Wind Topics: Implementation Resource Type: Software/modeling tools Website: analysis.nrel.gov/fresa/ OpenEI Keyword(s): EERE tool, FRESA, Federal Renewable Energy Screening Assistant References: FRESA homepage [1] Logo: Federal Renewable Energy Screening Assistant (FRESA) FRESA, is designed to help identify which renewable energy technologies are appropriate for implementation at both the facility and building scale. The Federal Renewable Energy Screening Assistant, or FRESA, is designed to help identify which renewable energy technologies are appropriate for

204

Oak Ridge Reservation Former Workers, Construction Worker Screening  

Broader source: Energy.gov (indexed) [DOE]

Oak Ridge Reservation Former Workers, Construction Worker Screening Oak Ridge Reservation Former Workers, Construction Worker Screening Projects Oak Ridge Reservation Former Workers, Construction Worker Screening Projects Project Name: Building Trades National Medical Screening Program Covered DOE Site: Oak Ridge K-25 Gaseous Diffusion Plant, Y-12, Oak Ridge National Laboratory (ORNL or X-10) Worker Population Served: Construction Workers Principal Investigator: Knut Ringen, DrPh, MHA, MPH Toll-free Telephone: (888) 464-0009 Local Outreach Office: Kim Cranford, RN 708 South Illinois Avenue, Suite E103 Oak Ridge, TN 37830 Website: http://www.btmed.org This project is intended to provide free medical screening to former workers in the building trades (construction workers). The screening targets health problems resulting from exposures, including asbestos,

205

Fernald, Former Construction Worker Screening Projects | Department of  

Broader source: Energy.gov (indexed) [DOE]

Fernald, Former Construction Worker Screening Projects Fernald, Former Construction Worker Screening Projects Fernald, Former Construction Worker Screening Projects Project Name: Building Trades National Medical Screening Program Covered DOE Site: Fernald Worker Population Served: Construction Workers Principal Investigator: Knut Ringen, DrPH, MHA, MPH Toll-free Telephone: 1-888-464-0009 Local Outreach Office: Lou Doll 1550 Chase Avenue Cincinnati, OH 45223 Website: http://www.btmed.org This project is intended to provide free medical screening to former workers in the building trades (construction workers). The screening targets health problems resulting from exposures, including asbestos, beryllium, cadmium, chromium, lead, mercury, noise, radiation, silica and/or solvents. The project is being carried out by a large group led by

206

Waste Isolation Pilot Plant, Former Construction Worker Screening Projects  

Broader source: Energy.gov (indexed) [DOE]

Construction Worker Screening Construction Worker Screening Projects Waste Isolation Pilot Plant, Former Construction Worker Screening Projects Project Name: Building Trades National Medical Screening Program Covered DOE Site: WIPP Worker Population Served: Construction Workers Principal Investigator: Knut Ringen, DrPh, MHA, MPH Toll-free Telephone: (800) 866-9663 Website: http://www.btmed.org This project is intended to provide free medical screening to former workers in the building trades (construction workers). The screening targets health problems resulting from exposures, including asbestos, beryllium, cadmium, chromium, lead, mercury, noise, radiation, silica and/or solvents. The project is being carried out by a large group led by CPWR - The Center for Construction Research and Training, an applied

207

Brush Luckey Plant, Former Construction Worker Screening Projects |  

Broader source: Energy.gov (indexed) [DOE]

Brush Luckey Plant, Former Construction Worker Screening Projects Brush Luckey Plant, Former Construction Worker Screening Projects Brush Luckey Plant, Former Construction Worker Screening Projects Project Name: Building Trades National Medical Screening Program Covered DOE Site: Brush Luckey Plant Worker Population Served: Construction workers Principal Investigator: Knut Ringen, DrPH, MHA, MPH Toll-free Telephone: 1-888-464-0009 Website: http://www.btmed.org This project is intended to provide free medical screening to former workers in the building trades (construction workers). The screening targets health problems resulting from exposures, including asbestos, beryllium, cadmium, chromium, lead, mercury, noise, radiation, silica and/or solvents. The project is being carried out by a large group led by CPWR - The Center for Construction Research and Training, an applied

208

Strong plasma screening in thermonuclear reactions: Electron drop model  

Science Journals Connector (OSTI)

We analyze enhancement of thermonuclear fusion reactions due to strong plasma screening in dense matter using a simple electron drop model. In the model we assume fusion in a potential that is screened by an effective electron cloud around colliding nuclei (extended Salpeter ion-sphere model). We calculate the mean-field screened Coulomb potentials for atomic nuclei with equal and nonequal charges, appropriate astrophysical S factors, and enhancement factors of reaction rates. As a byproduct, we study the analytic behavior of the screening potential at small separations between the reactants. In this model, astrophysical S factors depend not only on nuclear physics but on plasma screening as well. The enhancement factors are in good agreement with calculations by other methods. This allows us to formulate a combined, pure analytic model of strong plasma screening in thermonuclear reactions. The results can be useful for simulating nuclear burning in white dwarfs and neutron stars.

P. A. Kravchuk and D. G. Yakovlev

2014-01-09T23:59:59.000Z

209

Strong plasma screening in thermonuclear reactions: Electron drop model  

E-Print Network [OSTI]

We analyze enhancement of thermonuclear fusion reactions due to strong plasma screening in dense matter using a simple electron drop model. The model assumes fusion in a potential that is screened by an effective electron cloud around colliding nuclei (extended Salpeter ion-sphere model). We calculate the mean field screened Coulomb potentials for atomic nuclei with equal and nonequal charges, appropriate astrophysical S factors, and enhancement factors of reaction rates. As a byproduct, we study analytic behavior of the screening potential at small separations between the reactants. In this model, astrophysical S factors depend not only on nuclear physics but on plasma screening as well. The enhancement factors are in good agreement with calculations by other methods. This allows us to formulate the combined, pure analytic model of strong plasma screening in thermonuclear reactions. The results can be useful for simulating nuclear burning in white dwarfs and neutron stars.

Kravchuk, P A

2014-01-01T23:59:59.000Z

210

Strong plasma screening in thermonuclear reactions: Electron drop model  

E-Print Network [OSTI]

We analyze enhancement of thermonuclear fusion reactions due to strong plasma screening in dense matter using a simple electron drop model. The model assumes fusion in a potential that is screened by an effective electron cloud around colliding nuclei (extended Salpeter ion-sphere model). We calculate the mean field screened Coulomb potentials for atomic nuclei with equal and nonequal charges, appropriate astrophysical S factors, and enhancement factors of reaction rates. As a byproduct, we study analytic behavior of the screening potential at small separations between the reactants. In this model, astrophysical S factors depend not only on nuclear physics but on plasma screening as well. The enhancement factors are in good agreement with calculations by other methods. This allows us to formulate the combined, pure analytic model of strong plasma screening in thermonuclear reactions. The results can be useful for simulating nuclear burning in white dwarfs and neutron stars.

P. A. Kravchuk; D. G. Yakovlev

2014-01-11T23:59:59.000Z

211

Former Worker Program - Defunct Beryllium Vendor Screening Program  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Defunct Beryllium Vendor Screening Program Defunct Beryllium Vendor Screening Program Former Worker Medical Screening Program (FWP) In February 2005, DOE expanded the beryllium screening program to include former employees of defunct DOE beryllium vendors who were employed with these companies while they performed work for DOE. This change was made to ensure that workers who no longer have an employer to turn to for beryllium disease testing could receive this important screening. DOE will offer these individuals a blood test at no cost to check for beryllium sensitization. DOE will pay for both the costs of drawing the blood and the analysis of the blood. If a screened individual receives an abnormal test for beryllium sensitization, they can receive medical monitoring for beryllium disease through DOL's EEOICP.

212

Glossary of Screen Labels for PARS II V1  

Broader source: Energy.gov (indexed) [DOE]

Glossary 1 Glossary 1 Glossary of Screen Labels for PARS II V1.0.0 Goal The primary goal of this glossary is to help PARS II end users understand the items of data that they are viewing or entering on their PARS II application screens. It does not provide technical information on the schema of the PARS II database. A separate PARS II Data Dictionary document is being provided for PARS II users who need such technical information. Overview This document consists of a table defining each data label displayed on PARS II screens. It is divided into sections by PARS II screen title. To find the meaning of a data item, first find the section describing the relevant screen, then find the particular screen label description. The sections are listed in order of the major functional area of the PARS II System:

213

Pinellas Former Construction Worker, Construction Worker Screening Projects  

Broader source: Energy.gov (indexed) [DOE]

Pinellas Former Construction Worker, Construction Worker Screening Pinellas Former Construction Worker, Construction Worker Screening Projects Pinellas Former Construction Worker, Construction Worker Screening Projects Project Name: Building Trades National Medical Screening Program Covered DOE Site: Pinellas Worker Population Served: Construction Workers Principal Investigator: Knut Ringen, DrPH, MHA, MPH Toll-free Telephone: 1-800-866-9663 Website: http://www.btmed.org This project is intended to provide free medical screening to former workers in the building trades (construction workers). The screening targets health problems resulting from exposures, including asbestos, beryllium, cadmium, chromium, lead, mercury, noise, radiation, silica and/or solvents. The project is being carried out by a large group led by

214

FIELD SCREENING FOR HALOGENATED VOLATILE ORGANIC COMPOUNDS: THE NEW X-WAND HVOC SCREENING DEVICE  

SciTech Connect (OSTI)

Western Research Institute (WRI) has developed new methodology and a test kit to screen soil or water samples for halogenated volatile organic compounds (HVOCs) in the field. The technology has been designated the X-Wand{trademark} screening tool. The new device uses a heated diode sensor that is commonly used to detect leaks of refrigerants from air conditioners, freezers, and refrigerators. This sensor is selective to halogens. It does not respond to volatile aromatic hydrocarbons, such as those in gasoline, and it is not affected by high humidity. In the current work, the heated diode leak detectors were modified further to provide units with rapid response and enhanced sensitivity. The limit of detection for trichloroethylene TCE in air is 0.1 mg/m{sup 3} (S/N = 2). The response to other HVOCS relative to TCE is similar. Variability between sensors and changes in a particular sensor over time can be compensated for by normalizing sensor readings to a maximum sensor reading at 1,000 mg/m{sup 3} TCE. The soil TCE screening method was expanded to include application to water samples. Assuming complete vaporization, the detection limit for TCE in soil is about 1 ug/kg (ppb) for a 25-g sample in an 8-oz jar. The detection limit for TCE in water is about 1 ug/L (ppb) for a 25-mL sample in an 8-oz jar. This is comparable to quantitation limits of EPA GC/MS laboratory methods. A draft ASTM method for screening TCE contaminated soils using a heated diode sensor was successfully submitted for concurrent main committee and subcommittee balloting in ASTM Committee D 34 on Waste Management. The method was approved as ASTM D 7203-05, Standard Test Method for Screening Trichloroethylene (TCE)-Contaminated Soil Using a Heated Diode Sensor.

John F. Schabron; Susan S. Sorini; Joseph F. Rovani Jr

2006-03-01T23:59:59.000Z

215

Lung-Cancer Screening with Low-Dose Computed Tomography  

Science Journals Connector (OSTI)

...but complications of invasive testing were not. Across all three rounds of screening, 39% of the participants in the low-dose CT group had at least one positive result; more than 95% of these findings were falsely positive. Most patients with positive screening-test results required follow-up imaging... A large randomized trial showed that low-dose CT screening reduced the risk of lung-cancer death by 20% among long-time smokers. Recent guidelines support consideration of screening but with attention to the possibility of false positive results and associated risks.

Gould M.K.

2014-11-06T23:59:59.000Z

216

Combining in vivo and in silico screening for protein stability  

E-Print Network [OSTI]

Implications for the Protein Folding Code". Biochemistry 44(Proteolytic selection for protein folding using filamentousin vivo screening for protein folding and increased protein

Barakat, Nora Hisham

2007-01-01T23:59:59.000Z

217

Electric and Magnetic Screening Masses around the Deconfinement Transition  

E-Print Network [OSTI]

We report on the status of our study of gluon propagators and screening masses around the de- confining transition for pure SU(2) gauge theory in Landau gauge.

Attilio Cucchieri; Tereza Mendes

2012-01-29T23:59:59.000Z

218

HUD CHP GUIDE #2 - FEASIBILITY SCREENING FOR CHP IN MULTIFAMILY...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

(HUD's) 2002 Energy Action Plan includes an initiative to promote the use of combined heat and power (CHP) in multifamily housing. This 2009 guide "Feasibility Screening for...

219

Free film screening at Bradbury Science Museum September 7  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Free Film Screening At Bradbury Science Museum Community Connections: Your link to news and opportunities from Los Alamos National Laboratory Latest Issue: Dec. 2014 - Jan. 2015...

220

Health Fairs and Screenings - HPMC Occupational Health Services  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Wellness > Health Fairs and Screenings Health Education & Wellness Downloads & Patient Materials Health & Productivity Health Calculators & Logs Health Coaching Health Fairs and...

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Crystallization screening: the influence of history on current practice  

Science Journals Connector (OSTI)

The rich history of crystallization and how that history influences current practices is described. The tremendous impact of crystallization screens on the field is discussed.

Luft, J.R.

2014-06-27T23:59:59.000Z

222

High Throughput Combinatorial Screening of Biometic Metal-Organic...  

Broader source: Energy.gov (indexed) [DOE]

Throughput Combinatorial Screening of Biometic Metal-Organic Materials for Military Hydrogen-Storage Materials (New Joint Miami UNREL DoDDLA Project) (presentation) High...

223

High Throughput/Combinatorial Screening of Hydrogen Storage Materials...  

Broader source: Energy.gov (indexed) [DOE]

Workshop HIGH THROUGHPUTCOMBINATORIAL SCREENING OF HYDROGEN STORAGE MATERIALS June 26, 2007 Tom Boussie Symyx Technologies Symyx develops and applies proprietary high-throughput...

224

Screening effects in the electronoptical-phonon interaction  

Science Journals Connector (OSTI)

We show that recently reported [Alexandrov and Schrieffer, Phys. Rev. B 56, 13 731 (1997)] unusual hardening of optical phonons renormalized by the electron-phonon interaction is due to the neglect of screening effects. When the electron-ion interaction is properly screened, optical phonons soften in three dimensions. It is important that for short-wavelength optical phonons screening is static, while for long-wavelength optical phonons screening is dynamic. In two-dimensional and one-dimensional cases due to crossing of the nonperturbed optical mode with gapless plasmons, the spectrum of renormalized optical phononplasmon mode shows split momentum dependence.

Michael Reizer

2000-01-01T23:59:59.000Z

225

Medical Screening Protocol for the Former Worker Medical Screening Program U.S. Department of Energy, April 16, 2013  

Broader source: Energy.gov (indexed) [DOE]

4/16/13 4/16/13 MEDICAL SCREENING PROTOCOL FOR THE FORMER WORKER MEDICAL SCREENING PROGRAM U.S. DEPARTMENT OF ENERGY General Principles: 1) The purpose of the medical evaluation component of the U.S. Department of Energy (DOE) Former Worker Medical Screening Program (FWP) is to provide interested former workers with targeted testing to screen for selected adverse health effects potentially related to their work in DOE operations. The program does not test for all potentially work-related conditions; for example, screening for work- related musculoskeletal conditions is not included in the medical evaluation. 2) The following table is intended to identify work-related health outcomes of relevance to DOE workers for which there are screening tests that are reasonably likely to be effective and beneficial to program

226

Medical Screening Protocol for the Former Worker Medical Screening Program U.S. Department of Energy, April 16, 2013  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

4/16/13 4/16/13 MEDICAL SCREENING PROTOCOL FOR THE FORMER WORKER MEDICAL SCREENING PROGRAM U.S. DEPARTMENT OF ENERGY General Principles: 1) The purpose of the medical evaluation component of the U.S. Department of Energy (DOE) Former Worker Medical Screening Program (FWP) is to provide interested former workers with targeted testing to screen for selected adverse health effects potentially related to their work in DOE operations. The program does not test for all potentially work-related conditions; for example, screening for work- related musculoskeletal conditions is not included in the medical evaluation. 2) The following table is intended to identify work-related health outcomes of relevance to DOE workers for which there are screening tests that are reasonably likely to be effective and beneficial to program

227

FIELD SCREENING FOR HALOGENATED VOLATILE ORGANIC COMPOUNDS  

SciTech Connect (OSTI)

Western Research Institute (WRI) is continuing work toward the development of new screening methodology and a test kit to measure halogenated volatile organic compounds (VOCs) in the field. Heated diode and corona discharge sensors are commonly used to detect leaks of refrigerants from air conditioners, freezers, and refrigerators. They are both selective to the presence of halogens. In prior work, the devices were tested for response to carbon tetrachloride, heptane, toluene, and water vapors. In the current work, sensor response was evaluated with sixteen halogenated VOCs relative to carbon tetrachloride. The results show that the response of the various chlorinated VOCs is within an order of magnitude of the response to carbon tetrachloride for each of the sensors. Thus, for field screening a single response factor can be used. Both types of leak detectors are being further modified to provide an on-board LCD signal readout, which is related to VOC concentration. The units will be fully portable and will operate with 115-V line or battery power. Signal background, noise level, and response data on the Bacharach heated diode detector and the TIF corona discharge detector show that when the response curves are plotted against the log of concentration, the plot is linear to the upper limit for the particular unit, with some curvature at lower levels. When response is plotted directly against concentration, the response is linear at the low end and is curved at the high end. The dynamic ranges for carbon tetrachloride of the two devices from the lower detection limit (S/N=2) to signal saturation are 4-850 vapor parts per million (vppm) for the corona discharge unit and 0.01-70 vppm for the heated diode unit. Additional circuit modifications are being made to lower the detection limit and increase the dynamic response range of the corona discharge unit. The results indicate that both devices show potential utility for future analytical method development work toward the goal of developing a portable test kit for screening halogenated VOCs in the field.

John F. Schabron; Joseph F. Rovani, Jr.; Theresa M. Bomstad

2003-07-01T23:59:59.000Z

228

Electron Screening Effect on Stellar Thermonuclear Fusion  

E-Print Network [OSTI]

Key words Dense matter, stellar nucleosynthesis. We study the impact of plasma correlation effects on nonresonant thermonuclear reactions for various stellar objects, namely in the liquid envelopes of neutron stars, and the interiors of white dwarfs, low-mass stars, and substellar objects. We examine in particular the effect of electron screening on the enhancement of thermonuclear reactions in dense plasmas within and beyond the linear mixing rule approximation as well as the corrections due to quantum effects at high density. In addition, we examine some recent unconventional theoretical results on stellar thermonuclear fusions and show that these scenarios do not apply to stellar conditions. c ? 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim 1

K. -h. Spatschek; M. Bonitz; T. Klinger; U. Ebert; C. Franck; A. V. Keudell; D. Naujoks; M. Dewitz; A. Y. Potekhin; G. Chabrier

2012-01-01T23:59:59.000Z

229

Screening system and method of using same  

SciTech Connect (OSTI)

An integrated apparatus and method for screening an object for a target material is provided. The integrated apparatus comprises a housing and an integrated screener. The housing is positionable adjacent the object, and has a channel therethrough. The integrated screener is positionable in the housing, and comprises a fan, at least one filter, a heater and an analyzer. The fan is for drawing air carrying particles and vapor through the channel of the housing. The filter(s) is/are positionable in the channel of the housing for passage of the air therethrough. The filter(s) comprise(s) at least one metal foam having a plurality of pores therein for collecting and adsorbing a sample from the particles and vapor passing therethrough. The heater is for applying heat to the at least one metal foam whereby the collected sample is desorbed from the metal foam. The analyzer detects the target material from the desorbed sample.

Jones, David A; Gresham, Christopher A; Basiliere, Marc L; Spates, James J; Rodacy, Philip J

2014-04-15T23:59:59.000Z

230

Apparatus and method for radioactive waste screening  

SciTech Connect (OSTI)

An apparatus and method relating to screening radioactive waste are disclosed for ensuring that at least one calculated parameter for the measurement data of a sample falls within a range between an upper limit and a lower limit prior to the sample being packaged for disposal. The apparatus includes a radiation detector configured for detecting radioactivity and radionuclide content of the of the sample of radioactive waste and generating measurement data in response thereto, and a collimator including at least one aperture to direct a field of view of the radiation detector. The method includes measuring a radioactive content of a sample, and calculating one or more parameters from the radioactive content of the sample.

Akers, Douglas W.; Roybal, Lyle G.; Salomon, Hopi; Williams, Charles Leroy

2012-09-04T23:59:59.000Z

231

Former Worker Medical Screening Program 2012 Annual Report  

Broader source: Energy.gov (indexed) [DOE]

Published February 2013 Published February 2013 Pu Pu Publ b blis s ishe he hed d d Fe Fe Febr br brua ua u ry ry 2 201 013 3 FORMER WORKER MEDICAL SCREENING PROGRAM ANNUAL REPORT ANNUAL REPORT 2 0 1 2 STC STONETURN CONSULTANTS 2012 Former Worker Medical Screening Program * i Table of Contents Abbreviations ............................................................................................................................................iii Foreword .................................................................................................................................................... v Executive Summary .................................................................................................................................

232

Printing Your Monthly PTA Maintenance Screen Shannon Monahan Page 1  

E-Print Network [OSTI]

Printing Your Monthly PTA Maintenance Screen Shannon Monahan Page 1 Office of Postdoctoral Maintenance Screen. All starting points begin before the popup menu comes up. In Internet Explorer the Orientation to Landscape, and click OK. Print as needed to either your printer or to Adobe PDF (only works

Kay, Mark A.

233

2013 Former Worker Medical Screening Program Annual Report  

Broader source: Energy.gov [DOE]

The 2013 Annual Report presents a detailed overview of the accomplishments, progress, and future endeavors of the U.S. Department of Energy Former Worker Medical Screening Program. The report describes how the program is implemented, what organizations are involved in the medical screening efforts, and what the medical findings have been to date.

234

New algebraic constructions for pooling design in DNA library screening  

Science Journals Connector (OSTI)

Pooling design is an important mathematical tool in DNA library screening. It has been showed that using pooling design, the number of tests in DNA library screening can be greatly reduced. In this paper, we present some new algebraic constructions for pooling design.

Zengti Li; Suogang Gao; Hongjie Du; Yan Shi; Weili Wu

2010-01-01T23:59:59.000Z

235

Results of the material screening program of the NEXT experiment  

E-Print Network [OSTI]

The 'Neutrino Experiment with a Xenon TPC (NEXT)', intended to investigate neutrinoless double beta decay, requires extremely low background levels. An extensive material screening and selection process to assess the radioactivity of components is underway combining several techniques, including germanium gamma-ray spectrometry performed at the Canfranc Underground Laboratory; recent results of this material screening program are presented here.

Dafni, T; Bandac, I; Bettini, A; Borges, F I G M; Camargo, M; Carcel, S; Cebrian, S; Cervera, A; Conde, C A N; Diaz, J; Esteve, R; Fernandes, L M P; Fernandez, M; Ferrario, P; Ferreira, A L; Freitas, E D C; Gehman, V M; Goldschmidt, A; Gomez, H; Gomez-Cadenas, J J; Gonzalez-Diaz, D; Gutierrez, R M; Hauptman, J; Morata, J A Hernando; Herrera, D C; Iguaz, F J; Irastorza, I G; Labarga, L; Laing, A; Liubarsky, I; Lorca, D; Losada, M; Luzon, G; Mari, A; Martin-Albo, J; Martinez, A; Martinez-Lema, G; Miller, T; Monrabal, F; Monserrate, M; Monteiro, C M B; Mora, F J; Moutinho, L M; Vidal, J Munoz; Nebot-Guinot, M; Nygren, D; Oliveira, C A B; Perez, J; Aparicio, J L Perez; Renner, J; Ripoll, L; Rodriguez, A; Rodriguez, J; Santos, F P; Santos, J M F dos; Segui, L; Serra, L; Shuman, D; Simon, A; Sofka, C; Sorel, M; Toledo, J F; Torrent, J; Tsamalaidze, Z; Veloso, J F C A; Villar, J A; Webb, R C; White, J T; Yahlali, N

2014-01-01T23:59:59.000Z

236

Microfluidic Technologies for High-Throughput Screening Applications  

E-Print Network [OSTI]

Microfluidic Technologies for High-Throughput Screening Applications Thesis by Todd Thorsen, patiently giving me advice on a large variety of subjects, ranging from microfluidics to optics of microfluidic devices for high-throughput screening applications, such as mutant enzyme libraries expressed

Quake, Stephen R.

237

Rocky Flats Former Construction Workers, Construction Worker Screening  

Broader source: Energy.gov (indexed) [DOE]

Rocky Flats Former Construction Workers, Construction Worker Rocky Flats Former Construction Workers, Construction Worker Screening Projects Rocky Flats Former Construction Workers, Construction Worker Screening Projects Project Name: Building Trades National Medical Screening Program Covered DOE Site: Rocky Flats Worker Population Served: Construction Workers Principal Investigator: Knut Ringen, DrPH, MHA, MPH Toll-free Telephone: (800) 866-9663 Local Outreach Office: Dwayne Adkins 7510 W. Mississippi Ave., Suite 230 Lakewood, CO 80226 Website: http://www.btmed.org This project is intended to provide free medical screening to former workers in the building trades (construction workers). The screening targets health problems resulting from exposures, including asbestos, beryllium, cadmium, chromium, lead, mercury, noise, radiation, silica

238

Holographic screens in ultraviolet self-complete quantum gravity  

E-Print Network [OSTI]

In this paper we study the geometry and the thermodynamics of a holographic screen in the framework of the ultraviolet self-complete quantum gravity. To achieve this goal we construct a new static, neutral, non-rotating black hole metric, whose outer (event) horizon coincides with the surface of the screen. The space-time admits an extremal configuration corresponding to the minimal holographic screen and having both mass and radius equalling the Planck units. We identify this object as the space-time fundamental building block, whose interior is physically unaccessible and cannot be probed even during the Hawking evaporation terminal phase. In agreement with the holographic principle, relevant processes take place on the screen surface. The area quantization leads to a discrete mass spectrum. An analysis of the entropy shows that the minimal holographic screen can store only one byte of information while in the thermodynamic limit the area law is corrected by a logarithmic term.

Piero Nicolini; Euro Spallucci

2014-03-04T23:59:59.000Z

239

Screening in Thermonuclear Reaction Rates in the Sun  

E-Print Network [OSTI]

We evaluate the effect of electrostatic screening by ions and electrons on low-Z thermonuclear reactions in the sun. We use a mean field formalism and calculate the electron density of the screening cloud using the appropriate density matrix equation of quantum statistical mechanics. Because of well understood physical effects that are included for the first time in our treatment, the calculated enhancement of reaction rates does not agree with the frequently used interpolation formulae. Our result does agree, within small uncertainties, with Salpeter's weak screening formula. If weak screening is used instead of the commonly employed screening prescription of Graboske et al., the predicted $^8$B neutrino flux is increased by 7% and the predicted chlorine rate is increased by 0.4 SNU.

Andrei V. Gruzinov; John N. Bahcall

1998-01-20T23:59:59.000Z

240

Former Worker Medical Screening Program | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Former Worker Medical Screening Former Worker Medical Screening Program Former Worker Medical Screening Program The Former Worker Medical Screening Program (FWP) provides ongoing medical screening examinations, at no cost, to all former DOE Federal, contractor, and subcontractor workers who may be at risk for occupational diseases. The FWP is supported by the U.S. Department of Energy's (DOE) Office of Health, Safety and Security (HSS) and reflects our commitment to the health and safety of all DOE workers - past and present - who have served the Nation in its National security and other missions. The FWP was established following the issuance of the National Defense Authorization Act for Fiscal Year 1993 (PL 102-484), which called for DOE to assist workers with determining whether they had health issues related

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Coulomb screening in graphene with topological defects  

E-Print Network [OSTI]

We analyze the screening of an external Coulomb charge in gapless graphene cone, which is taken as a prototype of a topological defect. In the subcritical regime, the induced charge is calculated using both the Green's function and the Friedel sum rule. The dependence of the polarization charge on the Coulomb strength obtained from the Green's function clearly shows the effect of the conical defect and indicates that the critical charge itself depends on the sample topology. Similar analysis using the Friedel sum rule indicates that the two results agree for low values of the Coulomb charge but differ for the higher strengths, especially in the presence of the conical defect. For a given subcritical charge, the transport cross-section has a higher value in the presence of the conical defect. In the supercritical regime we show that the coefficient of the power law tail of polarization charge density can be expressed as a summation of functions which vary log periodically with the distance from the Coulomb imp...

Chakraborty, Baishali; Sen, Siddhartha

2015-01-01T23:59:59.000Z

242

Coulomb screening in graphene with topological defects  

E-Print Network [OSTI]

We analyze the screening of an external Coulomb charge in gapless graphene cone, which is taken as a prototype of a topological defect. In the subcritical regime, the induced charge is calculated using both the Green's function and the Friedel sum rule. The dependence of the polarization charge on the Coulomb strength obtained from the Green's function clearly shows the effect of the conical defect and indicates that the critical charge itself depends on the sample topology. Similar analysis using the Friedel sum rule indicates that the two results agree for low values of the Coulomb charge but differ for the higher strengths, especially in the presence of the conical defect. For a given subcritical charge, the transport cross-section has a higher value in the presence of the conical defect. In the supercritical regime we show that the coefficient of the power law tail of polarization charge density can be expressed as a summation of functions which vary log periodically with the distance from the Coulomb impurity. The period of variation depends on the conical defect. In the presence of the conical defect, the Fano resonances begin to appear in the transport cross-section for a lower value of the Coulomb charge. For both sub and supercritical regime we derive the dependence of LDOS on the conical defect. The effects of generalized boundary condition on the physical observables are also discussed.

Baishali Chakraborty; Kumar S. Gupta; Siddhartha Sen

2015-02-16T23:59:59.000Z

243

Preparation and screening of crystalline inorganic materials  

DOE Patents [OSTI]

Methods and apparatus for the preparation and use of a substrate having an array of diverse materials in predefined regions thereon. A substrate having an array of diverse materials thereon is generally prepared by delivering components of materials to predefined regions on a substrate, and simultaneously reacting the components to form at least two materials. Materials which can be prepared using the methods and apparatus of the present invention include, for example, covalent network solids, ionic solids and molecular solids. More particularly, materials which can be prepared using the methods and apparatus of the present invention include, for example, inorganic materials, intermetallic materials, metal alloys, ceramic materials, organic materials, organometallic materials, non-biological organic polymers, composite materials (e.g., inorganic composites, organic composites, or combinations thereof), etc. Once prepared, these materials can be screened for useful properties including, for example, electrical, thermal, mechanical, morphological, optical, magnetic, chemical, or other properties. Thus, the present invention provides methods for the parallel synthesis and analysis of novel materials having useful properties.

Schultz, Peter G. (La Jolla, CA); Xiang, Xiaodong (Danville, CA); Goldwasser, Isy (Palo Alto, CA); Brice{hacek over (n)}o, Gabriel (Baldwin Park, CA); Sun, Xiao-Dong (Fremont, CA); Wang, Kai-An (Cupertino, CA)

2008-10-28T23:59:59.000Z

244

Combinatorial screening of inorganic and organometallic materials  

DOE Patents [OSTI]

Methods and apparatus for the preparation and use of a substrate having an array of diverse materials in predefined regions thereon. A substrate having an array of diverse materials thereon is generally prepared by delivering components of materials to predefined regions on a substrate, and simultaneously reacting the components to form at least two materials. Materials which can be prepared using the methods and apparatus of the present invention include, for example, covalent network solids, ionic solids and molecular solids. More particularly, materials which can be prepared using the methods and apparatus of the present invention include, for example, inorganic materials, intermetallic materials, metal alloys, ceramic materials, organic materials, organometallic materials, non-biological organic polymers, composite materials (e.g., inorganic composites, organic composites, or combinations thereof), etc. Once prepared, these materials can be screened for useful properties including, for example, electrical, thermal, mechanical, morphological, optical, magnetic, chemical, or other properties. Thus, the present invention provides methods for the parallel synthesis and analysis of novel materials having useful properties.

Schultz, Peter G. (Oakland, CA); Xiang, Xiaodong (Alameda, CA); Goldwasser, Isy (Alameda, CA)

2002-01-01T23:59:59.000Z

245

Unified description of screened modified gravity  

Science Journals Connector (OSTI)

We consider modified gravity models driven by a scalar field whose effects are screened in high density regions due to the presence of nonlinearities in its interaction potential and/or its coupling to matter. Our approach covers chameleon, f(R) gravity, dilaton and symmetron models and allows a unified description of all these theories. We find that the dynamics of modified gravity are entirely captured by the time variation of the scalar field mass and its coupling to matter evaluated at the cosmological minimum of its effective potential, where the scalar field has sat since an epoch prior to big bang nucleosynthesis. This new parametrization of modified gravity allows one to reconstruct the potential and coupling to matter and therefore to analyze the full dynamics of the models, from the scale dependent growth of structures at the linear level to nonlinear effects requiring N-body simulations. This procedure is illustrated with explicit examples of reconstruction for chameleon, dilaton, f(R) and symmetron models.

Philippe Brax; Anne-Christine Davis; Baojiu Li; Hans A. Winther

2012-08-08T23:59:59.000Z

246

Development of a screening method for drought tolerance in cotton seedlings  

E-Print Network [OSTI]

The key to an efficient screening method is the ability to screen large amounts of plant material in the shortest time possible. Unfortunately, due to the complexity of drought tolerance, a quick and effective screen for this trait has yet...

Longenberger, Polly Suzanne

2007-04-25T23:59:59.000Z

247

Former Worker Medical Screening Program Related Documents & Links |  

Broader source: Energy.gov (indexed) [DOE]

Former Former Worker Medical Screening Program Related Documents & Links Former Worker Medical Screening Program Related Documents & Links Related Documents & Links Beryllium Information-ORISE Chronic Beryllium Disease Information-National Jewish Health Department of Energy Human Subjects Protection Program DOE Covered Facilities Database Department of Labor Energy Employees Occupational Illness Compensation Program (EEOICP) Department of Labor EEOICP - Upcoming Events Department of Labor Office of the Ombudsman for EEOICPA NIOSH Advisory Board and Public Meetings NIOSH Division of Compensation Analysis and Support Project Websites Building Trades National Medical Screening Program Medical Exam Program for Former Workers at Los Alamos National Laboratory

248

Screening model for nanowire surface-charge sensors in liquid  

E-Print Network [OSTI]

The conductance change of nanowire field-effect transistors is considered a highly sensitive probe for surface charge. However, Debye screening of relevant physiological liquid environments challenge device performance due to competing screening from the ionic liquid and nanowire charge carriers. We discuss this effect within Thomas-Fermi and Debye-Huckel theory and derive analytical results for cylindrical wires which can be used to estimate the sensitivity of nanowire surface-charge sensors. We study the interplay between the nanowire radius, the Thomas-Fermi and Debye screening lengths, and the length of the functionalization molecules. The analytical results are compared to finite-element calculations on a realistic geometry.

Martin H. Sorensen; Niels Asger Mortensen; Mads Brandbyge

2007-08-17T23:59:59.000Z

249

E-Print Network 3.0 - applied cancer screening Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

cancer screening Search Powered by Explorit Topic List Advanced Search Sample search results for: applied cancer screening Page: << < 1 2 3 4 5 > >> 1 Summer Internship Results...

250

E-Print Network 3.0 - acsrb cancer screening Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

cancer screening Search Powered by Explorit Topic List Advanced Search Sample search results for: acsrb cancer screening Page: << < 1 2 3 4 5 > >> 1 Summer Internship Results...

251

E-Print Network 3.0 - anti glare screens Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

HEALTH & SAFETY PROCEDURE USE OF DISPLAY SCREEN EQUIPMENT Summary: ) to reduce glare vi. software appropriate for the tasks performed vii. screen: stable image, adjustable... NERC...

252

E-Print Network 3.0 - attend cervical screening Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

screenings for women described... Newborns Screening for hearing loss, hypothyroidism, sickle cell disease and phenylketonuria (PKU Source: Ghajar, Afshin J. - School of...

253

E-Print Network 3.0 - alternative screening devices Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

blindness, mobile devices, touch screens, multi-touch interaction... in touch screen interfaces, as seen in ... Source: Anderson, Richard - Department of Computer Science and...

254

Renewable Energy Resource Maps and Screening Tools | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Resource Maps Resource Maps and Screening Tools Renewable Energy Resource Maps and Screening Tools October 7, 2013 - 9:42am Addthis Renewable energy resources are available across the United States but vary greatly depending on exact location and micro-climate. This page outlines renewable energy resource maps and screening tools to help Federal agencies assess the viability of on-site renewable energy projects. Before initiating a project, resources in your area must be measured and verified. Resource maps and screening tools are a good start, but it is important to consult an expert for a professional evaluation before implementing renewable energy projects. Resource Maps The U.S. Department of Energy (DOE) and its National Renewable Energy Laboratory compiled the following renewable energy resource maps.

255

Outreach (Former Worker Medical Screening Program (FWP) | Department of  

Broader source: Energy.gov (indexed) [DOE]

Outreach (Former Worker Medical Screening Program (FWP) Outreach (Former Worker Medical Screening Program (FWP) Outreach (Former Worker Medical Screening Program (FWP) Outreach: Identify and Notify Eligible DOE Workers About FWP Medical Screening Services All former DOE Federal, contractor, and subcontractor employees from all facilities are eligible to participate in the program. Although the historical best estimate for the population of former workers who are entitled to receive medical evaluations under the FWP is upwards of 600,000 individuals, the precise number of workers remains unknown. Most of the FWP projects use multiple outreach methods to increase the visibility of the program in communities surrounding DOE sites and to notify potentially eligible DOE workers about the availability of FWP services. These methods are three-fold: 1) roster-based, 2)

256

Pantex, Former Production Workers Screening Projects | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Pantex, Former Production Workers Screening Projects Pantex, Former Production Workers Screening Projects Pantex, Former Production Workers Screening Projects Project Name: Former Pantex Worker Medical Surveillance Program Covered DOE Site: Pantex Worker Population Served: All Workers Principal Investigator: Arthur Frank, MD, MPH Toll-free Telephone: (888) 378-8939 Local Medical Clinics: WTAMU Health Partners Clinic 4400 S. Washington Street Amarillo, TX 79110 Texas Diagnostic Imaging Center (X-rays only) 1000 Coulter Drive Amarillo, TX 79106 Former workers at risk from exposures while working at Pantex are offered a free medical screening. This project is carried out by Drexel University School of Public Health in conjunction with the University of Texas Health Science Center at Tyler. Workers from this site who do not live in close proximity to the above

257

In silico screening of carbon-capture materials | Center for...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

In silico screening of carbon-capture materials Previous Next List L.-C. Lin, A. H. Berger, R. L. Martin, J. Kim, J. A. Swisher, K. Jariwala, C. H. Rycroft, A. S. Bhown, M. W....

258

DNA Library Screening, Pooling Design and Unitary Spaces  

Science Journals Connector (OSTI)

Pooling design is an important research topic in bio- informatics due to its wide applications in molecular biology, especially DNA library screening. In this paper, with unitary spaces over finite fields, we pre...

Suogang Gao; Zengti Li; Jiangchen Yu

2009-01-01T23:59:59.000Z

259

Magnetic and electric screening masses from Polyakov-loop correlations  

E-Print Network [OSTI]

Screening properties of the quark gluon plasma are studied from Polyakov-loop correlation in lattice QCD simulations with two flavors of improved Wilson quarks at temperatures $T/\\Tpc \\simeq 1$--4 where $\\Tpc$ is the pseudocritical temperature. Using the Euclidean-time reflection symmetry and the charge conjugation symmetry, we introduce various types of Polyakov-loop correlation functions and extract screening masses in magnetic and electric sectors. We find that the temperature dependence of the screening masses are well described by the weak coupling expansion. We also find that a ratio of the screening masses in the electric sector to the magnetic sector shows qualitative agreement with a prediction from the dimensionally-reduced effective field theory and the N=4 supersymmetric Yang-Mills theory at $1.3 < T/\\Tpc < 3$.

Y. Maezawa; S. Aoki; S. Ejiri; T. Hatsuda; N. Ishii; K. Kanaya; N. Ukita; T. Umeda

2008-11-04T23:59:59.000Z

260

2013 Former Worker Medical Screening Program Annual Report  

Broader source: Energy.gov [DOE]

2013 Former Worker Medical Screening Program (FWP) Annual Report highlighting the accomplishments of this program, which provides critical services to those who served and sacrificed through their work in the Department and its predecessor agencies.

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Accelerator-Driven Neutron Source for Cargo Screening  

E-Print Network [OSTI]

Accelerator-Driven Neutron Source for Cargo Screening 1 B.A.The design of an accelerator-driven neutron source isQuadrupole (RFQ) accelerator and a neutron production gas

2006-01-01T23:59:59.000Z

262

Stochastic dominance for project screening and selection under uncertainty  

E-Print Network [OSTI]

At any given moment, engineering and chemical companies have a host of projects that they are either trying to screen to advance to the next stage of research or select from for implementation. These choices could range ...

Adeyemo, Adekunle M

2013-01-01T23:59:59.000Z

263

FREE FILM SCREENING AND DISCUSSION Abstract from Jezebel Productions  

E-Print Network [OSTI]

FREE FILM SCREENING AND DISCUSSION Abstract from Jezebel Productions: "No Dinosaurs in Heaven charge: free and open to the public. THURSDAY OCTOBER 27, 2011 7:00 PM Mackey Auditorium Ruby Gerontology

de Lijser, Peter

264

Appendix SCR: Feature, Event, and Process Screening for PA  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Summary of New Information SCR-4.1.3.1.1.3 Screening Argument SCR-4.1.3.2 Fracture Development SCR-4.1.3.2.1 FEP Number: N8 FEP Title: Formation of Fractures...

265

High-throughput vertebrate total analysis/screening platform  

E-Print Network [OSTI]

High-throughput screening (HTS) is seen as one of the most promising technologies to facilitate biomedical studies and pharmaceutical discoveries. Although large varieties of in vitro HTS technologies have opened great ...

Chang, Tsung-Yao, Ph. D. Massachusetts Institute of Technology

2012-01-01T23:59:59.000Z

266

Iowa Army Ammunition Plant, Former Production Workers Screening Projects |  

Broader source: Energy.gov (indexed) [DOE]

Plant, Former Production Workers Screening Plant, Former Production Workers Screening Projects Iowa Army Ammunition Plant, Former Production Workers Screening Projects Project Name: Medical Monitoring of Former Atomic Weapons Workers at the Iowa Army Ammunition Plant (IAAP) in Burlington, Iowa Covered DOE Site: IAAP Worker Population Served: All Line 1/Division B Workers Principal Investigator: Laurence Fuortes, MD Toll-free Telephone: (866) 282-5818 Local Medical Clinics: University of Iowa Hospitals and Clinics 200 Hawkins Drive Iowa City, IA 52242 Henry County Health Center 407 South White Street Mt. Pleasant, IA 62641 Great River Medical Center 1221 S. Gear Avenue West Burlington, IA 52655 Website: http://cph.uiowa.edu/iowafwp/ This project is intended to screen for occupational health conditions among

267

Walla Walla River Basin Fish Screens Evaluations, 2006 Annual Report.  

SciTech Connect (OSTI)

Pacific Northwest National Laboratory evaluated Gardena Farms, Little Walla Walla, and Garden City/Lowden II Phase II fish screen facilities and provided underwater videography beneath a leaking rubber dam in the Walla Walla River basin in 2006. Evaluations of the fish screen facilities took place in early May 2006, when juvenile salmonids are generally outmigrating. At the Gardena Farms site, extended high river levels caused accumulations of debris and sediment in the forebay. This debris covered parts of the bottom drum seals, which could lead to early deterioration of the seals and drum screen. Approach velocities were excessive at the upstream corners of most of the drums, leading to 14% of the total approach velocities exceeding 0.4 feet per second (ft/s). Consequently, the approach velocities did not meet National Marine Fisheries Service (NMFS) design criteria guidelines for juvenile fish screens. The Little Walla Walla site was found to be in good condition, with all approach, sweep, and bypass velocities within NMFS criteria. Sediment buildup was minor and did not affect the effectiveness of the screens. At Garden City/Lowden II, 94% of approach velocities met NMFS criteria of 0.4 ft/s at any time. Sweep velocities increased toward the fish ladder. The air-burst mechanism appears to keep large debris off the screens, although it does not prevent algae and periphyton from growing on the screen face, especially near the bottom of the screens. In August 2006, the Gardena Farm Irrigation District personnel requested that we look for a leak beneath the inflatable rubber dam at the Garden City/Lowden II site that was preventing water movement through the fish ladder. Using our underwater video equipment, we were able to find a gap in the sheet piling beneath the dam. Erosion of the riverbed was occurring around this gap, allowing water and cobbles to move beneath the dam. The construction engineers and irrigation district staff were able to use the video footage to resolve the problem within a couple weeks. We had hoped to also evaluate the effectiveness of modifications to louvers behind the Nursery Bridge screens when flows were higher than 350 cubic feet per second, (cfs) but were unable to do so. Based on the one measurement made in early 2006 after the modified louvers were set, it appears the modified louvers may help reduce approach velocities. The auxiliary supply water system gates also control water through the screens. Evaluating the effect of different combinations of gate and louver positions on approach velocities through the screens may help identify optimum settings for both at different river discharges.

Chamness, Mickie; Abernethy, Scott; Tunnicliffe, Cherylyn [Pacific Northwest National Laboratory

2007-01-01T23:59:59.000Z

268

SMART SCREENING SYSTEM (S3) IN TACONITE PROCESSING  

SciTech Connect (OSTI)

The conventional vibrating machines used in processing plants have had undesirable high noise and vibration levels. They also have had unsatisfactorily low screening efficiency, high energy consumption, high maintenance cost, low productivity, and poor worker safety. These conventional vibrating machines have been used in most every processing plant. Most of the current material separation technology uses heavy and inefficient electric motors with an unbalance rotating mass to generate the shaking. In addition to being excessively noisy, inefficient, high-maintenance, these vibrating machines are often the bottleneck in the entire process. Furthermore, these motors along with the vibrating machines and supporting structure shake other machines and structure in the vicinity. The latter increases maintenance costs while reducing worker health and safety. The conventional vibrating fine screens at taconite processing plants have had the same problems as those listed above. This has resulted in lower screening efficiency, higher energy and maintenance cost, and lower productivity and workers safety concerns. The focus of this work is on the design of a high performance screening machine suitable for taconite processing plants. SmartScreens{trademark} technology uses miniaturized motors, based on smart materials, to generate the shaking. The underlying technologies are Energy Flow Control{trademark} and Vibration Control by Confinement{trademark}. These concepts are used to direct energy flow and confine energy efficiently and effectively to the screen function. The SmartScreens{trademark} technology addresses problems related to noise and vibration, screening efficiency, productivity, and maintenance cost and worker safety. Successful development of SmartScreens{trademark} technology will bring drastic changes to the screening and physical separation industry. The conceptual designs for key components of the SmartScreens{trademark} have been developed. These key components include: smart motors and resonators. It is shown that the smart motors have a good life and performance. The resonators are utilized to amplify motion generated by smart motors. Resonator designs are selected based on the final system requirement and vibration characteristics. In addition, a tabletop demo unit was developed and demonstrated during a conference in 2003. This demo is reviewed in this report. The concept has shown promise and the program is on schedule.

Daryoush Allaei; Asim Syed Mohammed

2004-04-01T23:59:59.000Z

269

AVIAN AND BAT SCREENING ANALYSIS AND HABITAT CHARACTERIZATION  

Broader source: Energy.gov (indexed) [DOE]

AVIAN AND BAT SCREENING ANALYSIS AVIAN AND BAT SCREENING ANALYSIS AND HABITAT CHARACTERIZATION Barr Engineering Company UMore Park Research Wind Turbine Dakota County, Minnesota June 2010 Prepared For: Barr Engineering Company 4700 West 77 th St. Minneapolis, MN 55435 Prepared By: 1900 Wazee Street, Suite 200 Denver, Colorado 80202 Phone: (720) 330-7280 Fax: (303) 458-5701 www.nrcdifference.com NRC Project # 0010-0110-01

270

Systematic quantum corrections to screening in thermonuclear fusion  

E-Print Network [OSTI]

We develop a series expansion of the plasma screening length away from the classical limit in powers of $\\hbar^{2}$. It is shown that the leading order quantum correction increases the screening length in solar conditions by approximately 2% while it decreases the fusion rate by approximately $ 0.34%$. We also calculate the next higher order quantum correction which turns out to be approximately 0.05%.

Chitanvis, S M

2006-01-01T23:59:59.000Z

271

A procedure to screen cucumber for salt tolerance  

E-Print Network [OSTI]

A PROCEDURE TO SCREEN CUCUMBER FOR SALT TOLERANCE A Thesis by LEONARD FRANK YOURMAN Submitted to the Graduate College of Texas A1IM University in partial fulfillment of the requirement for the degree of MASTER OF SCIENCE August 1979 Major... Subject: Horticulture A PROCEDURE TO SCREEN CUCUMBER FOR SALT TOLERANCE A Thesis by LEONARD FRANK VOURMAN Approved as to style and content by: (Chairman of Committee) (Head of Department) (Member) (Member) 0ugust 1979 ABSTRACT A Procedure...

Yourman, Leonard Frank

2012-06-07T23:59:59.000Z

272

A screening technique for salt tolerance in onion  

E-Print Network [OSTI]

A SCREENING TECHNIQUE FOR SALT TOLERANCE IN ONION A Thesis by MARY JORDAN WANNAMAKER Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE August 1985 Major... Subject: Horticulture A SCREENING TECHNIQUE FOR SALT TOLERANCE IN ONION A Thesis by NARY JORDAN WANNAMAKER Approved as to style and content by: Leonard M. Pike (Chairma f Cp 'ttee) 'eg C. Cobb (Member) Ron Newton (Member) . Grant Vest (Head...

Wannamaker, Mary Jordon

2012-06-07T23:59:59.000Z

273

Systematic quantum corrections to screening in thermonuclear fusion  

E-Print Network [OSTI]

We develop a series expansion of the plasma screening length away from the classical limit in powers of $\\hbar^{2}$. It is shown that the leading order quantum correction increases the screening length in solar conditions by approximately 2% while it decreases the fusion rate by approximately $ 0.34%$. We also calculate the next higher order quantum correction which turns out to be approximately 0.05%.

Shirish M. Chitanvis

2006-06-13T23:59:59.000Z

274

National Depression Screening Day: October 10th Come to National Depression Screening Day (NDSD) on Thursday, October 10th from  

E-Print Network [OSTI]

. If necessary, appropriate referrals can be made, and participants may also find information on depression, and provides individuals with feedback, referrals, and resources upon completion. KSU's online screening can

Khan, Javed I.

275

Generalized charge-screening in relativistic ThomasFermi model  

SciTech Connect (OSTI)

In this paper, we study the charge shielding within the relativistic Thomas-Fermi model for a wide range of electron number-densities and the atomic-number of screened ions. A generalized energy-density relation is obtained using the force-balance equation and taking into account the Chandrasekhar's relativistic electron degeneracy pressure. By numerically solving a second-order nonlinear differential equation, the Thomas-Fermi screening length is investigated, and the results are compared for three distinct regimes of the solid-density, warm-dense-matter, and white-dwarfs (WDs). It is revealed that our nonlinear screening theory is compatible with the exponentially decaying Thomas-Fermi-type shielding predicted by the linear response theory. Moreover, the variation of relative Thomas-Fermi screening length shows that extremely dense quantum electron fluids are relatively poor charge shielders. Calculation of the total number of screening electrons around a nucleus shows that there is a position of maximum number of screening localized electrons around the screened nucleus, which moves closer to the point-like nucleus by increase in the plasma number density but is unaffected due to increase in the atomic-number value. It is discovered that the total number of screening electrons, (N{sub s}?r{sub TF}{sup 3}/r{sub d}{sup 3} where r{sub TF} and r{sub d} are the Thomas-Fermi and interparticle distance, respectively) has a distinct limit for extremely dense plasmas such as WD-cores and neutron star crusts, which is unique for all given values of the atomic-number. This is equal to saying that in an ultrarelativistic degeneracy limit of electron-ion plasma, the screening length couples with the system dimensionality and the plasma becomes spherically self-similar. Current analysis can provide useful information on the effects of relativistic correction to the charge screening for a wide range of plasma density, such as the inertial-confined plasmas and compact stellar objects.

Akbari-Moghanjoughi, M. [Department of Physics, Faculty of Sciences, Azarbaijan Shahid Madani University, 51745-406 Tabriz, Iran and International Centre for Advanced Studies in Physical Sciences and Institute for Theoretical Physics, Ruhr University Bochum, D-44780 Bochum (Germany)

2014-10-15T23:59:59.000Z

276

Screening for metabolic syndrome risk factors in mestizo, tarahumara and mennonite scholars from Chihuahua Mexico  

Science Journals Connector (OSTI)

To screen for MS risk factors among mestizo, tarahumara and mennonite teenagers from Chihuahua, Mexico.

I Leal-Berumen; V Santana-Rodriguez; P Hernndez-Rodrguez

2012-06-01T23:59:59.000Z

277

Van der Meulen and Brandsma Februari 2007 Thermometer Screen Intercomparison in De Bilt (the  

E-Print Network [OSTI]

conditions during a 6- year field experiment in De Bilt (the Netherlands). The comparison comprised two versions of an aspi- rated Young screen, 4 naturally ventilated round-shaped multi-plate screens (KNMI, Vaisala, Young, Socrima), a slightly aspirated version of the KNMI screen, a synthetic Stevenson screen

Haak, Hein

278

HT Combinatorial Screening of Novel Materials for High Capacity Hydrogen Storage  

Broader source: Energy.gov [DOE]

Presentation for the high temperature combinatorial screening for high capacity hydrogen storage meeting

279

Surfactant biocatalyst for remediation of recalcitrant organics and heavy metals  

DOE Patents [OSTI]

Novel strains of isolated and purified bacteria have been identified which have the ability to degrade petroleum hydrocarbons including a variety of PAHs. Several isolates also exhibit the ability to produce a biosurfactant. The combination of the biosurfactant-producing ability along with the ability to degrade PAHs enhances the efficiency with which PAHs may be degraded. Additionally, the biosurfactant also provides an additional ability to bind heavy metal ions for removal from a soil or aquatic environment.

Brigmon, Robin L. (North Augusta, SC); Story, Sandra (Greenville, SC); Altman; Denis J. (Evans, GA); Berry, Christopher J. (Aiken, SC)

2011-03-29T23:59:59.000Z

280

Surfactant biocatalyst for remediation of recalcitrant organics and heavy metals  

DOE Patents [OSTI]

Novel strains of isolated and purified bacteria have been identified which have the ability to degrade petroleum hydrocarbons including a variety of PAHs. Several isolates also exhibit the ability to produce a biosurfactant. The combination of the biosurfactant-producing ability along with the ability to degrade PAHs enhances the efficiency with which PAHs may be degraded. Additionally, the biosurfactant also provides an additional ability to bind heavy metal ions for removal from a soil or aquatic environment.

Brigmon, Robin L. (North Augusta, SC); Story, Sandra (Greenville, SC); Altman, Denis J. (Evans, GA); Berry, Christopher J. (Aiken, SC)

2011-03-15T23:59:59.000Z

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Surfactant biocatalyst for remediation of recalcitrant organics and heavy metals  

DOE Patents [OSTI]

Novel strains of isolated and purified bacteria have been identified which have the ability to degrade petroleum hydrocarbons including a variety of PAHs. Several isolates also exhibit the ability to produce a biosurfactant. The combination of the biosurfactant-producing ability along with the ability to degrade PAHs enhances the efficiency with which PAHs may be degraded. Additionally, the biosurfactant also provides an additional ability to bind heavy metal ions for removal from a soil or aquatic environment.

Brigmon, Robin L. (North Augusta, SC); Story, Sandra (Greenville, SC); Altman, Denis (Evans, GA); Berry, Christopher J. (Aiken, SC)

2009-01-06T23:59:59.000Z

282

Surfactant biocatalyst for remediation of recalcitrant organics and heavy metals  

DOE Patents [OSTI]

Novel strains of isolated and purified bacteria have been identified which have the ability to degrade petroleum hydrocarbons including a variety of PAHs. Several isolates also exhibit the ability to produce a biosurfactant. The combination of the biosurfactant-producing ability along with the ability to degrade PAHs enhances the efficiency with which PAHs may be degraded. Additionally, the biosurfactant also provides an additional ability to bind heavy metal ions for removal from a soil or aquatic environment.

Brigmon, Robin L. (North Augusta, SC); Story, Sandra (Greenville, SC); Altman, Denis J. (Evans, GA); Berry, Christopher J. (Aiken, SC)

2011-05-03T23:59:59.000Z

283

Biomass Recalcitrance: Engineering Plants and Enzymes for Biofuels Production  

Science Journals Connector (OSTI)

...Multi-Year Program Plan, 2007-2012 (OBP, U.S. Department of Energy, Washington, DC, 2005) (http://www1.eere.energy.gov/biomass/pdfs/mypp.pdf). 4 Biofuels Research Advisory Council , Biofuels in the European Union...

Michael E. Himmel; Shi-You Ding; David K. Johnson; William S. Adney; Mark R. Nimlos; John W. Brady; Thomas D. Foust

2007-02-09T23:59:59.000Z

284

Biomass Recalcitrance: Engineering Plants and Enzymes for Biofuels Production  

Science Journals Connector (OSTI)

...the hydrated cellulose surface (15). The strong interchain...closely associated to the surface of the rigid cellulose crystallite...group C3 (blue) are 18 surface chains that are subcrystalline...chemical and enzymatic treatments. A pretreatment step...the solubilization of xylan in hemicellulose appears...

Michael E. Himmel; Shi-You Ding; David K. Johnson; William S. Adney; Mark R. Nimlos; John W. Brady; Thomas D. Foust

2007-02-09T23:59:59.000Z

285

John Day Fish Passage and Screening; 2002 Annual Report.  

SciTech Connect (OSTI)

This project is necessary to insure that replacement of fish screening devices and fishways meet current NMFS design criteria for the protection of all salmonid life stages. The mission of the fish passage program in Northeast Oregon is to protect and enhance fish populations by assisting private landowners, public landowners, irrigation districts and others by maintaining fish screening devices and fishways. These facilities reduce or eliminate fish loss associated with irrigation withdrawals, and as a result insure fish populations are maintained for enjoyment by present and future generations. Assistance is provided through state and federal programs. This can range from basic technical advice to detailed construction, fabrication and maintenance of screening and passage facilities. John Day screens personnel identified 50 sites for fish screen replacement, and one fish passage project. These sites are located in critical spawning, rearing and migration areas for spring chinook, summer steelhead and bull trout. All projects were designed and implemented to meet current NMFS criteria. It is necessary to have a large number of sites identified due to changes in weather, landowner cooperation and access issues that come up as we try and implement our goal of 21 completed projects.

Hartlerode, Ray; Dabashinsky, Annette (Oregon Department of Fish and Wildlife, Portland, OR); Allen, Steve (Oregon Department of Fish and Wildlife, John Day, OR)

2003-01-28T23:59:59.000Z

286

Yakima River Basin Phase II Fish Screen Evaluations, 2003  

SciTech Connect (OSTI)

In 2003, the Pacific Northwest National Laboratory (PNNL) evaluated 23 Phase II fish screen sites in the Yakima River Basin as part of a multi-year project for the Bonneville Power Administration on the effectiveness of fish screening devices. PNNL collected data to determine whether velocities in front of the screens and in the bypasses met the Nation Oceanic and Atmospheric Administration Fisheries (NOAA Fisheries, formerly the National Marine Fisheries Service (NMFS)) criteria to promote safe and timely fish passage. In addition, PNNL conducted underwater video surveys to evaluate the environmental and operational conditions of the screen sites with respect to fish passage. Based on evaluations in 2003, PNNL concluded that: (1) In general, water velocity conditions at the screen sites met fish passage criteria set by the National Oceanic and Atmospheric Administration Fisheries. (2) Conditions at most facilities would be expected to provide for safe juvenile fish passage. (3) Conditions at some facilities indicate that operation and/or maintenance should be modified to improve juvenile fish passage conditions. (4) Automated cleaning brushes generally functioned properly; chains and other moving parts were typically well greased and operative. (5) Removal of sediment buildup and accumulated leafy and woody debris could be improved at some sites.

Vucelick, Jessica A.; McMichael, Geoffrey A.; Chamness, Mickie A.

2004-05-01T23:59:59.000Z

287

Testing specification for the wafer screening of the ABCD3T chip, Version V1.3, 1 December, 2000 Testing specification for the wafer screening  

E-Print Network [OSTI]

Page 1 Testing specification for the wafer screening of the ABCD3T chip, Version V1.3, 1 December, 2000 Testing specification for the wafer screening Project Name: ABCD3T ASIC Version: V1.3, 1 December, 2000 #12;Page 2 Testing specification for the wafer screening of the ABCD3T chip, Version V1.3, 1

California at Santa Cruz, University of

288

Paducah Gaseous Diffusion Plant, Production Workers Screening Projects |  

Broader source: Energy.gov (indexed) [DOE]

Production Workers Screening Production Workers Screening Projects Paducah Gaseous Diffusion Plant, Production Workers Screening Projects Project Name: Worker Health Protection Program Covered DOE Site: Paducah Worker Population Served: Production Workers Principal Investigator: Jim Frederick Co-Principal Investigator: Steven Markowitz, MD Toll-free Telephone: (888) 241-1199 Local Outreach Office: James Harbison 2525 Cairo Road Paducah, KY 42001 Website: http://www.worker-health.org/ This project is conducted by the United Steelworkers in conjunction with Queens College of the City University of New York. The program is being offered as a service to both former and current workers. Free of charge, eligible workers can receive a medical exam, including chest X-ray and breathing test, and an educational workshop. This program also offers CT

289

Laboratory to change vehicle traffic-screening regimen at vehicle  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Changes to vehicle traffic-screening Changes to vehicle traffic-screening Laboratory to change vehicle traffic-screening regimen at vehicle inspection station Lanes two through five will be open 24 hours a day and won't be staffed by a Laboratory protective force officer. September 1, 2009 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials.

290

Idaho National Laboratory, Former Production Workers Screening Projects |  

Broader source: Energy.gov (indexed) [DOE]

Idaho National Laboratory, Former Production Workers Screening Idaho National Laboratory, Former Production Workers Screening Projects Idaho National Laboratory, Former Production Workers Screening Projects Project Name: Worker Health Protection Program Covered DOE Site: INL Worker Population Served: Production Workers Principal Investigator: Jim Frederick Co-Principal Investigator: Steven Markowitz, MD Toll-free Telephone: (888) 241-1199 Local Outreach Office: David Fry 1055 Austin Avenue Idaho Falls, ID 83404 Community Care 2725 Channing Way Idaho Falls, ID 83404 Website: http://www.worker-health.org/ This project is conducted by the United Steelworkers, in conjunction with Queens College of the City University of New York. Free of charge, eligible workers can receive a medical exam, including chest X-ray and breathing

291

Beryllium Screening - Informed Choice Document | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Beryllium Screening - Informed Choice Document Beryllium Screening - Informed Choice Document Beryllium Screening - Informed Choice Document January 2007 Cases of chronic beryllium disease (CBD), a legacy of the Department of Energy's (DOE) role in weapons production, have been increasing across the DOE complex. This trend has sparked increased concern about this serious occupational illness. In a national effort to identify current and former workers who have CBD or are sensitized to beryllium and to better understand the illness, DOE has set up a number of medical surveillance and research programs for both current and former workers. The way that workers enroll in the programs and the information that they are given prior to participating in the beryllium lymphocyte proliferation testing (Be-LPT) vary depending on where and when the worker was employed in a DOE

292

Co-benefits Risk Assessment (COBRA) Screening Model | Open Energy  

Open Energy Info (EERE)

Co-benefits Risk Assessment (COBRA) Screening Model Co-benefits Risk Assessment (COBRA) Screening Model Jump to: navigation, search Tool Summary Name: Co-benefits Risk Assessment (COBRA) Screening Model Agency/Company /Organization: United States Environmental Protection Agency Sector: Climate Complexity/Ease of Use: Moderate Website: www.epa.gov/statelocalclimate/resources/cobra.html Cost: Free Related Tools Tool for Selecting CDM Methods & Technologies Modular Applied General Equilibrium Tool (MAGNET) COMMUTER Model ... further results Find Another Tool FIND DEVELOPMENT IMPACTS ASSESSMENT TOOLS Automated tool that can be downloaded from the website. Converts emissions reductions into air quality improvements, estimates annual adverse health impacts avoided, and monetizes the value of these. Approach COBRA converts emissions reductions into air quality improvements, and

293

Fernald, Former Production Workers Screening Projects | Department of  

Broader source: Energy.gov (indexed) [DOE]

Production Workers Screening Projects Production Workers Screening Projects Fernald, Former Production Workers Screening Projects Project Name: Worker Health Protection Program Covered DOE Site: Fernald Worker Population Served: Production Workers Principal Investigator: Steven Markowitz, MD Toll-free Telephone: (888) 241-1199 Local Outreach Office Ray Beatty and Mooch Callaway 1150 Harrison Ave., Suite 106 Harrison, OH 45030 Website: http://www.worker-health.org/ This project is being conducted by Queens College of the City University of New York. Free of charge, eligible workers can receive a medical exam, including chest X-ray and breathing test. This program also offers CT scans for early lung cancer detection to workers who have an elevated risk of lung cancer as a result of a combination of occupational exposures, age,

294

Mound, Former Production Workers Screening Projects | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Production Workers Screening Projects Production Workers Screening Projects Mound, Former Production Workers Screening Projects Project Name: Worker Health Protection Program Covered DOE Site: Mound Worker Population Served: Production Workers Principal Investigator: Jim Frederick Co-Principal Investigator: Steven Markowitz, MD Toll-free Telephone: 1-877-866-6802 Local Outreach Office Eric Parker, Paige Gibson and Mike Ball 113 East Central Avenue W. Carrollton, OH 45449 Website: http://www.worker-health.org/ This project is being conducted by the United Steelworkers, in conjunction with Queens College of the City University of New York. Free of charge, eligible workers can receive a medical exam, including chest X-ray and breathing test, and an educational workshop. This program also offers CT

295

Gauss-Codazzi thermodynamics on the timelike screen  

SciTech Connect (OSTI)

It is a known result by Jacobson that the flux of energy matter through a local Rindler horizon is related with the expansion of the null generators in a way that mirrors the first law of thermodynamics. We extend such a result to a timelike screen of observers with finite acceleration. Since timelike curves have more freedom than null geodesics, the construction is more involved than Jacobson's and few geometrical constraints need to be imposed: the observers' acceleration has to be constant in time and everywhere orthogonal to the screen. Moreover, at any given time, the extrinsic curvature of the screen has to be flat. The latter requirement can be weakened by asking that the extrinsic curvature, if present at the beginning, evolves in time like on a cone and just rescales proportionally to the expansion.

Piazza, Federico [Perimeter Institute for Theoretical Physics, Waterloo, Ontario, N2L 2Y5 (Canada)

2010-10-15T23:59:59.000Z

296

Project Screening and Design Toolkit | Open Energy Information  

Open Energy Info (EERE)

Screening and Design Toolkit Screening and Design Toolkit (Redirected from Gateway:International/Project Screening and Design) Jump to: navigation, search Stage 2 LEDS Home Introduction to Framework Assess current country plans, policies, practices, and capacities Develop_BAU Stage 4: Prioritizing and Planning for Actions Begin execution of implementation plans 1.0. Organizing the LEDS Process 1.1. Institutional Structure for LEDS 1.2. Workplan to Develop the LEDS 1.3. Roles and responsibilities to develop LEDS 2.1. Assess current country plans, policies, practices, and capacities 2.2. Compile lessons learned and good practices from ongoing and previous sustainable development efforts in the country 2.3. Assess public and private sector capacity to support initiatives 2.4. Assess and improve the national GHG inventory and other

297

Iowa Army Ammunition Plant Former Workers, Construction Worker Screening  

Broader source: Energy.gov (indexed) [DOE]

Iowa Army Ammunition Plant Former Workers, Construction Worker Iowa Army Ammunition Plant Former Workers, Construction Worker Screening Projects Iowa Army Ammunition Plant Former Workers, Construction Worker Screening Projects Project Name: Medical Monitoring of Former Atomic Weapons Workers at the Iowa Army Ammunition Plant (IAAP) in Burlington, Iowa Covered DOE Site: IAAP Worker Population Served: All Line 1/Division B Workers Principal Investigator: Laurence Fuortes, MD Toll-free Telephone: (866) 282-5818 Local Medical Clinics: University of Iowa Hospitals and Clinics 200 Hawkins Drive Iowa City, IA 52242 Henry County Health Center 407 South White Street Mt. Pleasant, IA 62641 Great River Medical Center 1221 S. Gear Avenue West Burlington, IA 52655 Website: http://cph.uiowa.edu/iowafwp/ This project is intended to screen for occupational health conditions among

298

Efficient exploration of chemical space by fragment-based screening  

Science Journals Connector (OSTI)

Abstract Screening methods seek to sample a vast chemical space in order to identify starting points for further chemical optimisation. Fragment based drug discovery exploits the superior sampling of chemical space that can be achieved when the molecular weight is restricted. Here we show that commercially available fragment space is still relatively poorly sampled and argue for highly sensitive screening methods to allow the detection of smaller fragments. We analyse the properties of our fragment library versus the properties of X-ray hits derived from the library. We particularly consider properties related to the degree of planarity of the fragments.

Richard J. Hall; Paul N. Mortenson; Christopher W. Murray

2014-01-01T23:59:59.000Z

299

Supercritical Helium Cooling of the LHC Beam Screens  

E-Print Network [OSTI]

The cold mass of the LHC superconducting magnets, operating in pressurised superfluid helium at 1.9 K, must be shielded from the dynamic heat loads induced by the circulating particle beams, by means of beam screens maintained at higher temperature. The beam screens are cooled between 5 and 20 K by forced flow of weakly supercritical helium, a solution which avoids two-phase flow in the long, narr ow cooling channels, but still presents a potential risk of thermohydraulic instabilities. This problem has been studied by theoretical modelling and experiments performed on a full-scale dedicated te st loop.

Hatchadourian, E; Tavian, L

1998-01-01T23:59:59.000Z

300

Screening an Asymptomatic Person for Genetic Risk Polling Results  

Science Journals Connector (OSTI)

...pointed out that a normal test result might provide false reassurance, and many emphasized that epigenetic factors, rather than a genetic blueprint alone, influence cancer risk, limiting the value of genetic screening. Readers also commented on the financial aspect of genetic testing, from the cost of screening... Genetic testing is evolving rapidly. The availability of genome and exome sequencing, combined with the availability of over-the-counter genetic testing kits for asymptomatic persons, is raising complex patient care issues. In June, we presented the case ...

Schulte J.Rothaus C.S.Adler J.N.Phimister E.G.

2014-11-13T23:59:59.000Z

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Smart Screening System (S3) In Taconite Processing  

SciTech Connect (OSTI)

The conventional vibrating machines used in processing plants have had undesirable high noise and vibration levels. They also have had unsatisfactorily low screening efficiency, high energy consumption, high maintenance cost, low productivity, and poor worker safety. These conventional vibrating machines have been used in most every processing plant. Most of the current material separation technology uses heavy and inefficient electric motors with an unbalance rotating mass to generate the shaking. In addition to being excessively noisy, inefficient, and high-maintenance, these vibrating machines are often the bottleneck in the entire process. Furthermore, these motors, along with the vibrating machines and supporting structure, shake other machines and structures in the vicinity. The latter increases maintenance costs while reducing worker health and safety. The conventional vibrating fine screens at taconite processing plants have had the same problems as those listed above. This has resulted in lower screening efficiency, higher energy and maintenance cost, and lower productivity and workers safety concerns. The focus of this work is on the design of a high performance screening machine suitable for taconite processing plants. SmartScreens{trademark} technology uses miniaturized motors, based on smart materials, to generate the shaking. The underlying technologies are Energy Flow Control{trademark} and Vibration Control by Confinement{trademark}. These concepts are used to direct energy flow and confine energy efficiently and effectively to the screen function. The SmartScreens{trademark} technology addresses problems related to noise and vibration, screening efficiency, productivity, and maintenance cost and worker safety. Successful development of SmartScreens{trademark} technology will bring drastic changes to the screening and physical separation industry. The final designs for key components of the SmartScreens{trademark} have been developed. The key components include smart motor and associated electronics, resonators, and supporting structural elements. It is shown that the smart motors have an acceptable life and performance. Resonator (or motion amplifier) designs are selected based on the final system requirement and vibration characteristics. All the components for a fully functional prototype are fabricated. The system is assembled and tested under laboratory and field conditions. The lab results are promising and the field test resulted in system performance drop due to plant structure not able to provide the required stiffness. The PZT-based Smart Motors performed better than expected. None of the Smart Motors failed during testing and the results were very encouraging. The development program is on schedule. Supporting structure was modified to improve system rigidity and integrity to help improve overall system performance. The improved supporting structure was fabricated and tested in the lab and in field. Results showed a significant improvement in reducing undesirable supporting structure vibration, better system performance and ease of installation. We plan to work on system installation sensitivity to relax plant structure foundation requirement. This would be necessary for the PZT-based system to perform better and not loose energy into the plant structure.

Daryoush Allaei; Asim Syed Mohammed; David Tarnowski

2004-09-01T23:59:59.000Z

302

Clinical Cancer Care Full screening services and diagnostics  

E-Print Network [OSTI]

Clinical Cancer Care · Full screening services and diagnostics · Advanced treatments for all forms of cancer · Most frequent cancers at the Cancer Center: Breast 15% Gastrointestinal 13% Skin 17% Lung 13 treatment protocols that link the latest Cancer Center research to clinical care · Familial Cancer Program

Myers, Lawrence C.

303

Screening of quark-monopole in N=4 plasma  

E-Print Network [OSTI]

We study a quark-monopole bound system moving in N=4 SYM plasma with a constant velocity by the AdS/CFT correspondence. The screening length of this system is calculated, and is smaller than that of the quark-antiquark bound state.

Wei-shui Xu; Ding-fang Zeng

2014-09-08T23:59:59.000Z

304

Microfluidic Glycosyl Hydrolase Screening for Biomass-to-Biofuel Conversion  

Science Journals Connector (OSTI)

Microfluidic Glycosyl Hydrolase Screening for Biomass-to-Biofuel Conversion ... The hemicellulases convert the hemicellulose polysaccharide mainly to d-xylose, which is the second most abundant sugar. ... Figure 5. (a) Schematic of the biochemical process for converting biomass to fermentable sugars. ...

Rajiv Bharadwaj; Zhiwei Chen; Supratim Datta; Bradley M. Holmes; Rajat Sapra; Blake A. Simmons; Paul D. Adams; Anup K. Singh

2010-10-22T23:59:59.000Z

305

Development of a Molecular Assay for Rapid Screening of  

E-Print Network [OSTI]

Development of a Molecular Assay for Rapid Screening of Chemopreventive Compounds Targeting Nrf2 Zhaohui Wang, Vinay Gidwani, Zheng Sun, Donna D. Zhang, and Pak Kin Wong* University of Arizona, Tucson, AZ Emerging molecular studies have shown that the transcription factor NF-E2-related factor (Nrf2

Wong, Pak Kin

306

PLANT RESISTANCE Conventional Screening Overlooks Resistance Sources: Rootworm  

E-Print Network [OSTI]

PLANT RESISTANCE Conventional Screening Overlooks Resistance Sources: Rootworm Damage of Diverse.g., landraces, populations, inbreds) for native resistance to western corn rootworm is labor.However,wehaverecentlyobservedthattopcrossed(hybrid) materials tend to have reduced western corn rootworm damage. To formally test whether rootworm damage

Flint-Garcia, Sherry

307

Psychometric validation of the Hispanic Bilingual Gifted Screening Instrument (HBGSI)  

E-Print Network [OSTI]

Bilingual Gifted Screening Instrument (HBGSI). (May 2004) M?nica V. Fultz, B.S., Instituto Nacional del Profesorado Secundario; M.A., Prairie View University Chair of Advisory Committee: Dr. Rafael-Lara Alecio There is an evident under................................................................................................. 92 APPENDIX A................................................................................................ 107 APPENDIX B................................................................................................ 108 APPENDIX C...

Fultz, Monica V.

2005-08-29T23:59:59.000Z

308

Hazard screening application guide. Safety Analysis Report Update Program  

SciTech Connect (OSTI)

The basic purpose of hazard screening is to group precesses, facilities, and proposed modifications according to the magnitude of their hazards so as to determine the need for and extent of follow on safety analysis. A hazard is defined as a material, energy source, or operation that has the potential to cause injury or illness in human beings. The purpose of this document is to give guidance and provide standard methods for performing hazard screening. Hazard screening is applied to new and existing facilities and processes as well as to proposed modifications to existing facilities and processes. The hazard screening process evaluates an identified hazards in terms of the effects on people, both on-site and off-site. The process uses bounding analyses with no credit given for mitigation of an accident with the exception of certain containers meeting DOT specifications. The process is restricted to human safety issues only. Environmental effects are addressed by the environmental program. Interfaces with environmental organizations will be established in order to share information.

none,

1992-06-01T23:59:59.000Z

309

MR SCREENING FORM FOR RESEARCH STAFF Page 1 of 2  

E-Print Network [OSTI]

MR SCREENING FORM FOR RESEARCH STAFF Page 1 of 2 (PLEASE PRINT) NAME DATE: Before entering the MR environment or MR system room, you must remove all metallic objects including hearing aids, dentures, partial may be advised or required to wear earplugs or other hearing protection during the MR procedure

310

EES 111: Earth Science and the Silver Screen  

E-Print Network [OSTI]

EES 111: Earth Science and the Silver Screen As the global population continues to grow the environmental issues / earth science topics that serve as the platform upon which these films are created. This course intends to: - introduce students to the basic concepts of earth and environmental sciences

311

Conservation Screening Curves to Compare Efficiency Investments to Power Plants  

E-Print Network [OSTI]

curve approach supplements with load shape information the data contained in a supply curve of conservedLBL-27286 Conservation Screening Curves to Compare Efficiency Investments to Power Plants Jonathan to Compare Efficiency Investments to Power Plants Jonathan Koomey, Arthur H. Rosenfeld, and Ashok Gadgil

312

Directed Enzyme Evolution and High-Throughput Screening  

E-Print Network [OSTI]

into a commercial process relies on the availability of those with high activity and stability under process optimization process, whereby the fittest variants are selected from an ensemble of mutants [3]. Directed for process scientists today. Choosing the appropriate methods of library generation and screening

Zhao, Huimin

313

Environmental Screening and Evaluation of Energy-using Products  

E-Print Network [OSTI]

Environmental Screening and Evaluation of Energy-using Products (EuP) Final Report Marianne Wesnæs 2.-0 LCA consultants ApS Jesper Thestrup In-JeT ApS Arne Remmen Aalborg University Environmental Project No. 1308 2009 Miljøprojekt #12;The Danish Environmental Protection Agency will, when opportunity

314

Cancer Screening and Genetics: A Tale of Two Paradigms  

Science Journals Connector (OSTI)

...screening, these conditions can be summarized into a few fundamental principles: The target disease should be a common form of...and the HITECH Act's Meaningful Use criteria require electronic health records to be used to interact with and engage patients...

Jada G. Hamilton; Heather M. Edwards; Muin J. Khoury; and Stephen H. Taplin

2014-06-01T23:59:59.000Z

315

Abstract A42: Adherence to cancer screening tests among Appalachian women  

Science Journals Connector (OSTI)

...Atlanta, GA Abstract A42: Adherence to cancer screening tests among Appalachian women Electra D. Paskett Gregory...disparities in the receipt of recent cancer screening tests for each test individually (ie, mammography (MA), Pap Test...

Electra D. Paskett; Gregory Young; Michael Pennell; Mira L. Katz; Paul L. Reiter

2014-11-01T23:59:59.000Z

316

Bench-Top Engine System for Fast Screening of Alternative Fuels...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

System for Fast Screening of Alternative Fuels and Fuel Additives A bench-top engine testing system was used to fast screen the efficiency of fuel additives or fuel blends on NOx...

317

E-Print Network 3.0 - allergy screen test Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

screen test Search Powered by Explorit Topic List Advanced Search Sample search results for: allergy screen test Page: << < 1 2 3 4 5 > >> 1 Test Procedure for 170.302.e Maintain...

318

E-Print Network 3.0 - agglutination screening test Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

screening test Search Powered by Explorit Topic List Advanced Search Sample search results for: agglutination screening test Page: << < 1 2 3 4 5 > >> 1 ABO, D Blood Typing and...

319

E-Print Network 3.0 - anxiety screening test Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

screening test Search Powered by Explorit Topic List Advanced Search Sample search results for: anxiety screening test Page: << < 1 2 3 4 5 > >> 1 DEPRESSION AND ANXIETY 0 : 17...

320

Universal Screening for Behavior: Considerations in the Use of Behavior Rating Scales  

E-Print Network [OSTI]

of developing difficulties in the domain screened as well as to develop targeted interventions to improve school functioning (Kamphaus, 1999; Volpe, Briesch, & Chafouleas, 2010). Consequently, a discerning, high-quality screening result should generate a...

Mason, Benjamin 1972-

2012-08-20T23:59:59.000Z

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Argonne National Laboratory-West Former Workers, Construction Worker Screening Projects  

Broader source: Energy.gov [DOE]

Argonne National Laboratory-West Former Construction Workers (now known as Idaho National Laboratory), Construction Worker Screening Projects

322

Application of a new screening model to thermonuclear reactions of the rp process  

E-Print Network [OSTI]

A new screening model for astrophysical thermonuclear reactions was derived recently which improved Salpeter's weak-screening one. In the present work we prove that the new model can also give very reliable screening enhancement factors (SEFs) when applied to the rp process. According to the results of the new model, which agree well with Mitler's SEFs, the screened rp reaction rates can be, at most, twice as fast as the unscreened ones.

Theodore Liolios

2003-05-09T23:59:59.000Z

323

Neighborhood Factors Associated with Time to Resolution Following an Abnormal Breast or Cervical Cancer Screening Test  

Science Journals Connector (OSTI)

...Abnormal Breast or Cervical Cancer Screening Test Jesse J. Plascak 1 * Adana A. Llanos...abnormal breast or cervical cancer screening test among women participating in the Ohio Patient...abnormal breast or cervical cancer screening test. Impact: These results highlight the...

Jesse J. Plascak; Adana A. Llanos; Michael L. Pennell; Rory C. Weier; Electra D. Paskett

324

Web-based framework for spatiotemporal screen real estate management of interactive public displays  

Science Journals Connector (OSTI)

In this paper we present a web-based framework for spatiotemporal screen real estate management of interactive public displays. The framework facilitates dynamic partitioning of the screen real estate into virtual screens assigned for multiple concurrent ... Keywords: ubi-hotspot, ubiquitous computing, urban computing

Tomas Linden; Tommi Heikkinen; Timo Ojala; Hannu Kukka; Marko Jurmu

2010-04-01T23:59:59.000Z

325

Neighborhood Factors Associated with Time to Resolution Following an Abnormal Breast or Cervical Cancer Screening Test  

Science Journals Connector (OSTI)

...Abnormal Breast or Cervical Cancer Screening Test Jesse J. Plascak 1 * Adana A. Llanos...abnormal breast or cervical cancer screening test among women participating in the Ohio Patient...abnormal breast or cervical cancer screening test. Impact: These results highlight the...

Jesse J. Plascak; Adana A. Llanos; Michael L. Pennell; Rory C. Weier; Electra D. Paskett

2014-12-01T23:59:59.000Z

326

A new protein folding screen: Application to the ligand binding domains of a glutamate and kainate  

E-Print Network [OSTI]

A new protein folding screen: Application to the ligand binding domains of a glutamate and kainate of determining and evaluating protein folding conditions, we have designed a new fractional factorial protein folding screen. The screen includes 12 factors shown by previous experiments to enhance protein folding

Lebendiker, Mario

327

Project Screening and Design Toolkit | Open Energy Information  

Open Energy Info (EERE)

Project Screening and Design Toolkit Project Screening and Design Toolkit Jump to: navigation, search Stage 2 LEDS Home Introduction to Framework Assess current country plans, policies, practices, and capacities Develop_BAU Stage 4: Prioritizing and Planning for Actions Begin execution of implementation plans 1.0. Organizing the LEDS Process 1.1. Institutional Structure for LEDS 1.2. Workplan to Develop the LEDS 1.3. Roles and responsibilities to develop LEDS 2.1. Assess current country plans, policies, practices, and capacities 2.2. Compile lessons learned and good practices from ongoing and previous sustainable development efforts in the country 2.3. Assess public and private sector capacity to support initiatives 2.4. Assess and improve the national GHG inventory and other economic and resource data as needed for LEDS development

328

Combinatorial screening for the identification of Mg-based destabilized  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Combinatorial screening for the identification of Mg-based destabilized Combinatorial screening for the identification of Mg-based destabilized hydrogen storage materials Speaker(s): Robin Gremaud Date: October 16, 2006 - 12:00pm Location: 90-3122 Limited energy resources and increasing pollution associated with the use of fossil resources have stimulated the search for cleaner, cheaper and more efficient energy technologies. One promising technology involves hydrogen that can be used in fuel cells and is stored in metal hydrides. However, for replacing existing technologies, still a large number of problems have to be solved, demanding for extensive fundamental research in the field of material science. Our experimental strategy, aimed at finding of novel (complex) hydrides is to carry out systematic experiments for various light-weight metal-hydrides. In the standard approach followed so

329

Portsmouth Gaseous Diffusion Plant, Former Production Workers Screening  

Broader source: Energy.gov (indexed) [DOE]

Portsmouth Gaseous Diffusion Plant, Former Production Workers Portsmouth Gaseous Diffusion Plant, Former Production Workers Screening Projects Portsmouth Gaseous Diffusion Plant, Former Production Workers Screening Projects Project Name: Worker Health Protection Program Covered DOE Site: Portsmouth Worker Population Served: Production Workers Principal Investigator: Jim Frederick Co-Principal Investigator: Steven Markowitz, MD Toll-free Telephone: (888) 241-1199 Local Outreach Office: Jeanne Cisco 2288 Wakefield Mound Road Piketon, OH 45661 Website: http://www.worker-health.org/ This project is conducted by the Unitedsteel Workers in conjunction with Queens College of the City University of New York. The program is being offered as a service to both former and current workers. Free of charge, eligible workers can receive a medical exam, including chest X-ray and

330

Argonne National Laboratory-West, Former Production Workers Screening  

Broader source: Energy.gov (indexed) [DOE]

West, Former Production Workers West, Former Production Workers Screening Projects (now known as the Idaho National Laboratory) Argonne National Laboratory-West, Former Production Workers Screening Projects (now known as the Idaho National Laboratory) Project Name: Worker Health Protection Program Covered DOE Site: Argonne National Laboratory-West Worker Population Served: Production Workers Principal Investigator: Jim Frederick Co-Principal Investigator: Steven Markowitz, MD Toll-free Telephone: (888) 241-1199 Local Outreach Office: David Fry 1055 Austin Avenue Idaho Falls, ID 83404 Website: http://www.worker-health.org/ This project is conducted by the United Steelworkers, in partnership with Queens College of the City University of New York. Free of charge, eligible workers can receive a medical exam, including chest X-ray and breathing

331

Joint Outreach Task Group Former Workers Screening Program | Department of  

Broader source: Energy.gov (indexed) [DOE]

Joint Joint Outreach Task Group Former Workers Screening Program Joint Outreach Task Group Former Workers Screening Program The Joint Outreach Task Group (JOTG) includes representatives from HSS, Department of Labor (DOL), the National Institute for Occupational Safety and Health (NIOSH), the Offices of the Ombudsman for DOL and NIOSH, and the DOE-funded FWP projects. The JOTG was established in 2009 under the premise that agencies/programs with common goals can work together by combining resources and coordinating outreach efforts. Each involved agency has a different mission, but the missions are complementary. By working together, the agencies are better able to serve the DOE workforce. The JOTG focuses on educating the former workers on the programs and resources available to them.

332

INDUSTRIAL/MILITARY ACTIVITY-INITIATED ACCIDENT SCREENING ANALYSIS  

SciTech Connect (OSTI)

Impacts due to nearby installations and operations were determined in the Preliminary MGDS Hazards Analysis (CRWMS M&O 1996) to be potentially applicable to the proposed repository at Yucca Mountain. This determination was conservatively based on limited knowledge of the potential activities ongoing on or off the Nevada Test Site (NTS). It is intended that the Industrial/Military Activity-Initiated Accident Screening Analysis provided herein will meet the requirements of the ''Standard Review Plan for the Review of Safety Analysis Reports for Nuclear Power Plants'' (NRC 1987) in establishing whether this external event can be screened from further consideration or must be included as a design basis event (DBE) in the development of accident scenarios for the Monitored Geologic Repository (MGR). This analysis only considers issues related to preclosure radiological safety. Issues important to waste isolation as related to impact from nearby installations will be covered in the MGR performance assessment.

D.A. Kalinich

1999-09-27T23:59:59.000Z

333

Development of a trace explosives detection portal for personnel screening  

SciTech Connect (OSTI)

The authors discuss the development, design, and operation of a walk-through trace detection portal designed to screen personnel for explosives. Developed at Sandia National Laboratories (SNL) with primary funding from the Federal Aviation Administration (FAA) and additional support from the Department of Energy office of Safeguards and Security, this portal is intended primarily for use in airport terminals and in other localities where a very high throughput of pedestrian traffic is combined with stringent security requirements. The portal is capable of detecting both vapor and particulate contamination, with the collection of explosive material being based upon the entrainment of that material in air flows over the body of the person being screened. This portal is capable of detecting most types of common high explosives of interest to the FAA. The authors discuss the results of field testing of the portal in the Albuquerque International Airport in September, 1997 and more recent steps towards commercialization of the portal.

Parmeter, J.E.; Linker, K.L.; Rhykerd, C.L. Jr.; Bouchier, F.A.; Hannum, D.W.

1998-08-01T23:59:59.000Z

334

From screen to structure with a harvestable microfluidic device  

SciTech Connect (OSTI)

Advances in automation have facilitated the widespread adoption of high-throughput vapor-diffusion methods for initial crystallization screening. However, for many proteins, screening thousands of crystallization conditions fails to yield crystals of sufficient quality for structural characterization. Here, the rates of crystal identification for thaumatin, catalase and myoglobin using microfluidic Crystal Former devices and sitting-drop vapour-diffusion plates are compared. It is shown that the Crystal Former results in a greater number of identified initial crystallization conditions compared with vapor diffusion. Furthermore, crystals of thaumatin and lysozyme obtained in the Crystal Former were used directly for structure determination both in situ and upon harvesting and cryocooling. On the basis of these results, a crystallization strategy is proposed that uses multiple methods with distinct kinetic trajectories through the protein phase diagram to increase the output of crystallization pipelines.

Stojanoff V.; Jakonic, J.; Oren, D.A.; Nagarajan, V.; Navarro Poulsen, J.C.; Adams-Cioaba, M.A.; Bergfors, T. and Sommer, M.O.A.

2011-06-21T23:59:59.000Z

335

Diethylamine and ammonia pretreatment of lignocellulose  

E-Print Network [OSTI]

material was dried for 12 hours to remove the amine and then hydrolyzed for 72 hours with a mixture of cellulose enzymes. Six specially designed reactor vessels, and a temperature-controlled water bath were built to perform these experiments. This allows...

Holthus, Robert Earl

2012-06-07T23:59:59.000Z

336

Center for Lignocellulose Structure and Function - Symposium...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

mechanics & applications (Chaired by Kenneth Keegstra and Jeffrey Catchmark) Paul Langan, Oak Ridge National Laboratory.; What happens during cell wall deconstructions -...

337

Process for the treatment of lignocellulosic biomass  

SciTech Connect (OSTI)

A process for the treatment of biomass to render structural carbohydrates more accessible and/or digestible using concentrated ammonium hydroxide with or without anhydrous ammonia addition, is described. The process preferably uses steam to strip ammonia from the biomass for recycling. The process yields of monosaccharides from the structural carbohydrates are good, particularly as measured by the enzymatic hydrolysis of the structural carbohydrates. The monosaccharides are used as animal feeds and energy sources for ethanol production.

Dale, Bruce E.

2014-07-08T23:59:59.000Z

338

BETO Webinar: Computational Studies of Lignocellulose Deconstruction  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Lignin - Complex aromatic structure - High Energy Content - Resists biochemical conversion Hemicellulose - Xylose - Polymer of 5- and 6- carbon sugars Pretreatment LIGNIN...

339

Processes for pretreating lignocellulosic biomass: A review  

SciTech Connect (OSTI)

This paper reviews existing and proposed pretreatment processes for biomass. The focus is on the mechanisms by which the various pretreatments act and the influence of biomass structure and composition on the efficacy of particular pretreatment techniques. This analysis is used to identify pretreatment technologies and issues that warrant further research.

McMillan, J.D.

1992-11-01T23:59:59.000Z

340

Species for the screening assessment. Columbia River Comprehensive Impact Assessment  

SciTech Connect (OSTI)

Because of past nuclear production operations along the Columbia River, there is intense public and tribal interest in assessing any residual Hanford Site related contamination along the river from the Hanford Reach to the Pacific Ocean. The Columbia River Comprehensive Impact Assessment was proposed to address these concerns. The assessment of the Columbia River is being conducted in phases. The initial phase is a screening assessment of the risk, which addresses current environmental conditions for a range of potential uses. One component of the screening assessment estimates the risk from contaminants in the Columbia River to the environment. The objective of the ecological risk assessment is to determine whether contaminants from the Columbia River pose a significant threat to selected receptor species that exist in the river and riparian communities of the study area. This report (1) identifies the receptor species selected for the screening assessment of ecological risk and (2) describes the selection process. The species selection process consisted of two tiers. In Tier 1, a master species list was developed that included many plant and animal species known to occur in the aquatic and riparian systems of the Columbia River between Priest Rapids Dam and the Columbia River estuary. This master list was reduced to 368 species that occur in the study area (Priest Rapids Dam to McNary Dam). In Tier 2, the 181 Tier 1 species were qualitatively ranked based on a scoring of their potential exposure and sensitivity to contaminants using a conceptual exposure model for the study area.

Becker, J.M.; Brandt, C.A.; Dauble, D.D.; Maughan, A.D.; O`Neil, T.K.

1996-03-01T23:59:59.000Z

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Empirical Screening Correction for M-Subshell Internal Conversion Coefficients  

Science Journals Connector (OSTI)

The only theoretical values which are available for coefficients of internal conversion in the M shell have been calculated without the inclusion of screening, and they are in disagreement with experimental values by factors as large as 3. From the comparison of these theoretical values with new accurate measurements on the M-subshell electron lines of the M4 transitions occuring in the decay of Te121m and of Te123m, it was possible to effect a tentative semiempirical screening correction. Essentially, this is the replacement of the nuclear charge Z for the evaluation of the coefficient by ZeffM=Z-?i, where ?i=7.0,7.9,and10.0 for MI(3s), MII,III(3p), and MIV,V(3d) electrons, respectively. This correction to the theoretical values is found to produce agreement with other experimental M conversion results, both measured in this work and taken from the literature, over a wide range of multipolarities and of Z and energy values. The nonspecific characteristic of the correction is interpreted to mean that the screening is chiefly an effect on the electron wave functions of the initial bound states of the atom.

Y. Y. Chu and M. L. Perlman

1964-07-27T23:59:59.000Z

342

Former Worker Medical Screening Program Summary of Services Available to Former Workers, February 1, 2013  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

February 1, 2013 Former Worker Medical Screening Program Summary of Services Available to Former Workers (Sites listed below are primary sites served, but multiple small sites are also served by the Building Trades National Medical Screening Program for construction workers and by the National Supplemental Screening Program for production workers) State DOE Site Worker Population/Medical Screening Program Provider Local Office Location and Phone Number Alaska Amchitka Island All workers, primarily construction CPWR - The Center for Construction Research & Training (CPWR)/Building Trades National Medical Screening Program (BTMed) 1-800-866-9663 California Lawrence Berkeley National Laboratory All workers Queens College (QC)/Worker Health Protection

343

Former Worker Medical Screening Program Summary of Services Available to Former Workers, February 1, 2013  

Broader source: Energy.gov (indexed) [DOE]

February 1, 2013 Former Worker Medical Screening Program Summary of Services Available to Former Workers (Sites listed below are primary sites served, but multiple small sites are also served by the Building Trades National Medical Screening Program for construction workers and by the National Supplemental Screening Program for production workers) State DOE Site Worker Population/Medical Screening Program Provider Local Office Location and Phone Number Alaska Amchitka Island All workers, primarily construction CPWR - The Center for Construction Research & Training (CPWR)/Building Trades National Medical Screening Program (BTMed) 1-800-866-9663 California Lawrence Berkeley National Laboratory All workers Queens College (QC)/Worker Health Protection

344

Screening for Colorectal Cancer in a Safety-Net Health Care System: Access to Care Is Critical and Has Implications for Screening Policy  

Science Journals Connector (OSTI)

...Cancer in a Safety-Net Health Care System: Access to Care Is Critical and Has Implications for Screening Policy...cancer in a safety-net health care system: access to care is critical and has implications for screening policy...sparse for safety-net health systems. A retrospective...

Samir Gupta; Liyue Tong; James E. Allison; Elizabeth Carter; Mark Koch; Don C. Rockey; Paula Anderson; Chul Ahn; Keith Argenbright; and Celette Sugg Skinner

2009-09-01T23:59:59.000Z

345

Abstract PC01-01: Colorectal cancer screening for African Americans: Should we be screening at an earlier age? The Pro side  

Science Journals Connector (OSTI)

...the United States, and there are seven tests recommended for its screening to help detect...involves (a) a sensitive and specific test, (b) acceptable to asymptomatic persons...affordable to society. Most of the seven tests recommended for colorectal cancer screening...

John M. Carethers

2014-11-01T23:59:59.000Z

346

National Security Science and Technology Initiative: Air Cargo Screening  

SciTech Connect (OSTI)

The non-intrusive inspection (NII) of consolidated air cargo carried on commercial passenger aircraft continues to be a technically challenging, high-priority requirement of the Department of Homeland Security's Science and Technology Directorate (DHS S&T), the Transportation Security Agency and the Federal Aviation Administration. The goal of deploying a screening system that can reliably and cost-effectively detect explosive threats in consolidated cargo without adversely affecting the flow of commerce will require significant technical advances that will take years to develop. To address this critical National Security need, the Battelle Memorial Institute (Battelle), under a Cooperative Research and Development Agreement (CRADA) with four of its associated US Department of Energy (DOE) National Laboratories (Oak Ridge, Pacific Northwest, Idaho, and Brookhaven), conducted a research and development initiative focused on identifying, evaluating, and integrating technologies for screening consolidated air cargo for the presence of explosive threats. Battelle invested $8.5M of internal research and development funds during fiscal years 2007 through 2009. The primary results of this effort are described in this document and can be summarized as follows: (1) Completed a gap analysis that identified threat signatures and observables, candidate technologies for detection, their current state of development, and provided recommendations for improvements to meet air cargo screening requirements. (2) Defined a Commodity/Threat/Detection matrix that focuses modeling and experimental efforts, identifies technology gaps and game-changing opportunities, and provides a means of summarizing current and emerging capabilities. (3) Defined key properties (e.g., elemental composition, average density, effective atomic weight) for basic commodity and explosive benchmarks, developed virtual models of the physical distributions (pallets) of three commodity types and three explosive benchmarks combinations, and conducted modeling and simulation studies to begin populating the matrix of commodities, threats, and detection technologies. (4) Designed and fabricated basic (homogeneous) commodity test pallets and fabricated inert stimulants to support experiments and to validate modeling/simulation results. (5) Developed/expanded the team's capabilities to conduct full-scale imaging (neutron and x-ray) experiments of air cargo commodities and explosive benchmarks. (6) Conducted experiments to improve the collection of trace particles of explosives from a variety of surfaces representative of air cargo materials by means of mechanical (air/vibration/pressure), thermal, and electrostatic methods. Air cargo screening is a difficult challenge that will require significant investment in both research and development to find a suitable solution to ensure the safety of passengers without significantly hindering the flow of commodities. The initiative funded by Battelle has positioned this group to make major contributions in meeting the air cargo challenge by developing collaborations, developing laboratory test systems, improving knowledge of the challenges (both technical and business) for air cargo screening, and increasing the understanding of the capabilities for current inspection methods (x-ray radiography, x-ray backscatter, etc.) and potential future inspection methods (neutron radiography, fusion of detector modalities, advanced trace detection, etc.). Lastly, air cargo screening is still an issue that will benefit from collaboration between Department of Energy Laboratories and Battelle. On January 7, 2010, DHS Secretary Napolitano joined White House Press Secretary Robert Gibbs and Assistant to the President for Counterterrorism and Homeland Security John Brennan to announce several recommendations DHS has made to the President for improving the technology and procedures used to protect air travel from acts of terrorism. (This announcement followed the 25 Dec'09 Delta/Northwest Airlines Flight 253 terror attack.) Secretary Napolitano out

Bingham, Philip R [ORNL; White, Tim [Pacific Northwest National Laboratory (PNNL); Cespedes, Ernesto [Idaho National Laboratory (INL); Bowerman, Biays [Brookhaven National Laboratory (BNL); Bush, John [Battelle

2010-11-01T23:59:59.000Z

347

Korea's Thyroid-Cancer Epidemic Screening and Overdiagnosis  

Science Journals Connector (OSTI)

The Republic of Korea has provided national health insurance to its 50 million citizens since the 1980s. Although health care expenditures in South Korea's single-payer system are relatively low accounting for 7.6% of the country's gross domestic product the system is technologically intensive... In 2011, the rate of thyroid-cancer diagnoses in the Republic of Korea was 15 times that observed in 1993, yet thyroid-cancer mortality remains stable a combination that suggests that the problem is overdiagnosis attributable to widespread thyroid-cancer screening.

Ahn H.S.Kim H.J.Welch H.G.

2014-11-06T23:59:59.000Z

348

Stability of negative ionization fronts: Regularization by electric screening?  

Science Journals Connector (OSTI)

We recently have proposed that a reduced interfacial model for streamer propagation is able to explain spontaneous branching. Such models require regularization. In the present paper we investigate how transversal Fourier modes of a planar ionization front are regularized by the electric screening length. For a fixed value of the electric field ahead of the front we calculate the dispersion relation numerically. These results guide the derivation of analytical asymptotes for arbitrary fields: for small wave-vector k, the growth rate s(k) grows linearly with k, for large k, it saturates at some positive plateau value. We give a physical interpretation of these results.

Manuel Arrays and Ute Ebert

2004-03-31T23:59:59.000Z

349

Screening Cargo Containers to Remove a Terrorist Threat  

SciTech Connect (OSTI)

Each year some 48 million cargo containers move between the world's ports. More than 6 million of these enter the U.S., but only about 2 percent are opened and inspected when they arrive at U.S. seaports. The West Coast ports of Los Angeles-Long Beach, Oakland, and Seattle alone process 11,000 containers per day, or about 8 containers per minute. Because of this high traffic volume, U.S. seaports are especially vulnerable to a terrorist attack. Illicit radioactive materials could be hidden in any one of the cargo-filled containers that arrive at U.S. ports. Yet, searching every shipment would be bring legitimate commercial activities to a halt. Improving security at U.S. ports is thus one of the nation's most difficult technical and practical challenges because the systems developed for screening cargo must operate in concert with ongoing seaport activities. Working at this intersection of commerce and national security, Lawrence Livermore researchers are applying their expertise in radiation science and detection to develop improved technologies for detecting hidden radioactive materials. One new technology being designed and tested at the Laboratory is a neutron interrogation system for cargo containers. This system will quickly screen incoming shipments to ensure that nuclear materials such as plutonium and highly enriched uranium (HEU) are not smuggled into the U.S.

Hazi, A

2005-09-20T23:59:59.000Z

350

2-level environmental-stress-screening (ESS) model: A mixed-distribution approach  

SciTech Connect (OSTI)

Environmental stress screening (ESS) is used to reduce, if not eliminate, the occurrence of some types of failures from the field by fixing them before the product is deployed. This paper models a 2-level ESS program where screening is performed at the part & unit levels. The parts are screened for a specified duration before being assembled into a unit. Defects induced during the assembly process are screened at the unit level. These parts & connections are assumed to come from either a good or a substandard population, and their times-to-failure distributions are modeled by mixed distributions. The optimal screening durations are obtained by minimizing the life-cycle cost. The model is simple to use and its viability is illustrated using mixed exponential distributions. The implementation of screens at various levels depends on costs and failure distribution characteristics. 13 refs.

Reddy, R.K.; Dietrich, D.L.

1994-03-01T23:59:59.000Z

351

Screening Corrections to the Electron Capture Rates in Dense Stars by the Relativistically Degenerate Electron Liquid  

E-Print Network [OSTI]

We calculate the screening corrections to the electron capture rates in dense stars by the relativistically degenerate electron liquid. In order to calculate the screening corrections we adopt the linear response theory which is widely used in the field of solid state physics and liquid metal physics. In particular, we use the longitudinal dielectric function for the relativistically degenerate electron liquid derived by Jancovici. We calculate the screening potential at the position of the nucleus. By using this screening potential one can calculate the screening corrections to the electron capture rates. We will present accurate analytic fitting formulae which summarize our numerical results. These fitting formulae will facilitate the application of the present results. The screening corrections to the electron capture rates are typically a few percent.

Naoki Itoh; Nami Tomizawa; Masaya Tamamura; Shinya Wanajo; Satoshi Nozawa

2007-08-02T23:59:59.000Z

352

Effect of Screening on Thermonuclear Fusion in Stellar and Laboratory Plasmas  

E-Print Network [OSTI]

The fusion enhancement factor due to screening in the solar plasma is calculated. We use the finite temperature Green's function method and a self consistent mean field approximation. We reduce this to one center problems, because in the collision of two fusing ions, the turning point where tunneling may occur lies far inside the screening radius. The numerical results given by this method indicate that screening may be slightly weaker than that obtained in the most recent previous calculations.

L. Wilets; B. G. Giraud; M. J. Watrous; J. J. Rehr

1999-06-21T23:59:59.000Z

353

Region-to-area screening methodology for the Crystalline Repository Project  

SciTech Connect (OSTI)

The purpose of this document is to describe the Crystalline Repository Project's (CRP) process for region-to-area screening of exposed and near-surface crystalline rock bodies in the three regions of the conterminous United States where crystalline rock is being evaluated as a potential host for the second nuclear waste repository (i.e., in the North Central, Northeastern, and Southeastern Regions). This document indicates how the US Department of Energy's (DOE) General Guidelines for the Recommendation of Sites for Nuclear Waste Repositories (10 CFR 960) were used to select and apply factors and variables for the region-to-area screening, explains how these factors and variable are to be applied in the region-to-area screening, and indicates how this methodology relates to the decision process leading to the selection of candidate areas. A brief general discussion of the screening process from the national survey through area screening and site recommendation is presented. This discussion sets the scene for detailed discussions which follow concerning the region-to-area screening process, the guidance provided by the DOE Siting Guidelines for establishing disqualifying factors and variables for screening, and application of the disqualifying factors and variables in the screening process. This document is complementary to the regional geologic and environmental characterization reports to be issued in the summer of 1985 as final documents. These reports will contain the geologic and environmental data base that will be used in conjunction with the methodology to conduct region-to-area screening.

none,

1985-04-01T23:59:59.000Z

354

A new method of reducing contact heat transfer in vacuum-screen insulation  

Science Journals Connector (OSTI)

A heat treatment method is proposed for vacuum-screen insulation that substantially reduces the contact heat transfer ... illustrated on cryogenic pipelines with various forms of insulation.

T. A. Kurskaya; V. F. Getmanets; B. V. Grigorenko

1988-03-01T23:59:59.000Z

355

Bench-Top Engine System for Fast Screening of Alternative Fuels and Fuel Additives  

Broader source: Energy.gov [DOE]

A bench-top engine testing system was used to fast screen the efficiency of fuel additives or fuel blends on NOx reduction

356

Study of Mono or Polycrystalline Solar Cell Process Using Screen Printing Technology  

Science Journals Connector (OSTI)

The objectives of this contract were to develop a cost effective process for solar cell manufacturing. Dry etching technologies and general use of screen printing have...

J. Donon; H. Lauvray; P. Loubly; P. Aubril

1983-01-01T23:59:59.000Z

357

Screening of Potential Remediation Methods for the 200-ZP-1 Operable Unit at the Hanford Site  

SciTech Connect (OSTI)

A screening-level evaluation of potential remediation methods for application to the contaminants of concern (COC) in the 200-ZP-1 Operable Unit at the Hanford Site was conducted based on the methods outlined in the Guidance for Conducting Remedial Investigations and Feasibility Studies under CERCLA Interim Final. The scope of this screening was to identify the most promising remediation methods for use in the more detailed analysis of remediation alternatives that will be conducted as part of the full feasibility study. The screening evaluation was conducted for the primary COC (potential major risk drivers). COC with similar properties were grouped for the screening evaluation. The screening evaluation was conducted in two primary steps. The initial screening step evaluated potential remediation methods based on whether they can be effectively applied within the environmental setting of the 200-ZP-1 Operable Unit for the specified contaminants. In the second step, potential remediation methods were screened using scoping calculations to estimate the scale of infrastructure, overall quantities of reagents, and conceptual approach for applying the method for each defined grouping of COC. Based on these estimates, each method was screened with respect to effectiveness, implementability, and relative cost categories of the CERCLA feasibility study screening process defined in EPA guidance.

Truex, Michael J.; Nimmons, Michael J.; Johnson, Christian D.; Dresel, P EVAN.; Murray, Christopher J.

2006-08-07T23:59:59.000Z

358

Development of an Enriched Elemental Boron-10 Conversion Screen for Improved Track-Etch Image Recording  

Science Journals Connector (OSTI)

A free standing reusable boron-10 screen has been developed for routine use ... technique. The finished part consists of a boron-10 coating on a substrate (usually aluminum)...

K. D. Meares

1983-01-01T23:59:59.000Z

359

Construction and phenotypic screening of mid-size insert marine microbial environmental genomic libraries  

E-Print Network [OSTI]

Functional screening of environmental genomic libraries permits the identification of clones expressing activities of interest without requiring prior knowledge of the genes responsible. In this study, protocols were ...

Braff, Jennifer C

2008-01-01T23:59:59.000Z

360

Former Worker Medical Screening Program Surveillance Case Definitions  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

8/11 8/11 Former Worker Medical Screening Program Surveillance case definitions Asbestosis without pleural disease: a reported history of exposure to asbestos, or job title with a reasonable likelihood of asbestos exposure plus a B-reading of standard PA chest film demonstrating bilateral irregular parenchymal opacities (shape and size: s,t,u) with profusion score of 1/0 or greater absence of a B-reader notation of findings of unilateral or bilateral pleural thickening consistent with pneumoconiosis not likely attributable to another agent known to cause pneumoconiosis Asbestosis with pleural disease: a reported history of exposure to asbestos, or job title with a reasonable likelihood of asbestos exposure plus a B-reading of standard PA chest film demonstrating bilateral irregular

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Ventilation Relevant Contaminants of Concern in Commercial Buildings Screening  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Ventilation Relevant Contaminants of Ventilation Relevant Contaminants of Concern in Commercial Buildings Screening Process and Results Srinandini Parthasarathy, Thomas E. McKone, Michael G. Apte Environmental Energy Technologies Division Indoor Environment Department Lawrence Berkeley National Laboratory Berkeley, CA 94720 April 29, 2111 Prepared for the California Energy Commission, Public Interest Energy Research Program, Energy Related Environmental Research Program Legal Notice The Lawrence Berkeley National Laboratory is a national laboratory of the DOE managed by the University of California for the U.S. Department of Energy under Contract Number DE-AC02- 05CH11231. This report was prepared as an account of work sponsored by the Sponsor and pursuant to an M&O Contract with the United States Department of Energy (DOE). Neither the

362

Method for screening inhibitors of the toxicity of Bacillus anthracis  

DOE Patents [OSTI]

The protective antigen (PA) of Bacillus anthracis is integral to the mechanism of anthrax poisoning. The cloning, expression and purification of a 32 kDa B. anthracis PA fragment (PA32) is described. This fragment has also been expressed as a fusion construct to stabilized green fluorescent protein (EGFP-PA32). Both proteins were capable of binding to specific cell surface receptors as determined by fluorescent microscopy and a flow cytometric assay. To confirm binding specificity in the flow cytometric assay, non-fluorescent PA83 or PA32 was used to competitively inhibit fluorescent EGFP-PA32 binding to cell receptors. This assay can be employed as a rapid screen for compounds which disrupts binding of PA to cells. Additionally, the high intracellular expression levels and ease of purification make this recombinant protein an attractive vaccine candidate or therapeutic treatment for anthrax poisoning.

Cirino, Nick M. (Los Alamos, NM); Jackson, Paul J. (Los Alamos, NM); Lehnert, Bruce E. (Los Alamos, NM)

2001-01-01T23:59:59.000Z

363

Former Worker Medical Screening Program Surveillance Case Definitions  

Broader source: Energy.gov (indexed) [DOE]

8/11 8/11 Former Worker Medical Screening Program Surveillance case definitions Asbestosis without pleural disease: a reported history of exposure to asbestos, or job title with a reasonable likelihood of asbestos exposure plus a B-reading of standard PA chest film demonstrating bilateral irregular parenchymal opacities (shape and size: s,t,u) with profusion score of 1/0 or greater absence of a B-reader notation of findings of unilateral or bilateral pleural thickening consistent with pneumoconiosis not likely attributable to another agent known to cause pneumoconiosis Asbestosis with pleural disease: a reported history of exposure to asbestos, or job title with a reasonable likelihood of asbestos exposure plus a B-reading of standard PA chest film demonstrating bilateral irregular

364

Screened Coulomb interactions in metallic alloys. ??II.?Screening beyond the single-site and atomic-sphere approximations  

Science Journals Connector (OSTI)

A quantitative description of the configurational part of the total energy of metallic alloys with substantial atomic size difference cannot be achieved in the atomic-sphere approximation: It needs to be corrected at least for the multipole-moment interactions in the Madelung part of the one-electron potential and energy. In the case of a random alloy such interactions can be accounted for only by lifting the atomic-sphere and single-site approximations, in order to include the polarization due to local environment effects. Nevertheless, a simple parametrization of the screened Coulomb interactions for the ordinary single-site methods, including the generalized perturbation method, is still possible. We obtained such a parametrization for bulk and surface NiPt alloys, which allows one to obtain quantitatively accurate effective interactions in this system.

A. V. Ruban; S. I. Simak; P. A. Korzhavyi; H. L. Skriver

2002-06-26T23:59:59.000Z

365

Evaluation of carbapenemase screening and confirmation tests in Enterobacteriaceae and development of a practical diagnostic algorithm  

Science Journals Connector (OSTI)

...carbapenemase screening and confirmation tests in Enterobacteriaceae and development of...using phenotypic screening and confirmation tests. In total, 334 clinical Enterobacteriaceae...aminophenylboronic acid (APBA) or EDTA combined-disc tests (CDTs), and the Carba NP-II test were...

Florian P. Maurer; Claudio Castelberg; Chantal Quiblier; Guido V. Bloemberg; Michael Hombach

2014-10-29T23:59:59.000Z

366

Two Tales of Variable Selection for High Dimensional Regression: Screening and Model Building  

E-Print Network [OSTI]

Two Tales of Variable Selection for High Dimensional Regression: Screening and Model Building C and Model Building Cong Liu, Tao Shi and Yoonkyung Lee Department of Statistics, The Ohio State University at two stages of statistical modeling, namely screening and formal model building, with different goals

Shi, Tao

367

Scalable Parallel Screening of Catalyst Activity at the Single-Particle Level and Subdiffraction Resolution  

E-Print Network [OSTI]

Scalable Parallel Screening of Catalyst Activity at the Single-Particle Level and Subdiffraction ABSTRACT: High-throughput and quantitative screening of catalyst activity is crucial for guiding the work cycles of catalyst improvements and optimizations. For nanoparticle catalysts, their inherent

Chen, Peng

368

Abstract B27: Influence of fluorescence visualization on screening decisions in the general dental office  

Science Journals Connector (OSTI)

...meeting-abstract Behavioral and Social Science Screening and Early Detection...decisions in the general dental office Denise M. Laronde 1 P Michele...screening within the dental office could lead to earlier diagnosis...tools within the general dental office amongst clinicians who are...

Denise M. Laronde; P Michele Williams; Samson Ng; Catherine F. Poh; T Greg Hislop; Lewei Zhang; and Miriam P. Rosin

2011-10-01T23:59:59.000Z

369

Ceiling-mounted Projector with 5200 ANSI lumens Large motorized screen  

E-Print Network [OSTI]

Room 111 Ceiling-mounted Projector with 5200 ANSI lumens Large motorized screen Wireless-mounted Projector with 3500 ANSI lumens Pull-down screen Wireless microphones available Laptop running Windows 7 Mac users must bring VGA or HDMI adapter Auditorium Ceiling-mounted Projector with 7000 ANSI lumens Large

Hutcheon, James M.

370

Estimation of uncertainties due to the wind-induced noise in a screened microphone  

E-Print Network [OSTI]

for experimental assessment of wind turbine noise. The contribution of the wind noise introduces a biasEstimation of uncertainties due to the wind-induced noise in a screened microphone D. Ecotiere by the wind at a screened microphone. This noise originates from turbulences that come from the direct

Paris-Sud XI, Université de

371

Research on photoelectronics properties of array emitting diode and its light energy distribution in detection screen  

Science Journals Connector (OSTI)

Abstract According to the principle of multi-screen intersection target measure flying projectile parameters, the photoelectronics properties of array emitting diode that form detection screen in multi-screen intersection target and its light energy distributing were studied. The form of detection screen using array emitting diode and the measure principle of four screens intersection were analyzed. The properties of emitting diode were analyzed based on its compound emitting mechanism and PN ties internal current carrier. The light energy superposition principle was applied to set up light energy distributing model and give out its arithmetic. Through calculation and analysis, the light energy distributing is asymmetric when being close to diode position and the output variation range of light energy is large relatively. When test position is far from diode, the light energy distributing is uniformity, but the energy is relatively feebleness in edge of screen. Detection screen light energy distribution is trapezoidal in whole screen. The variety of emitting diode luminous flux is very distinct when projectile close to pointing light source, the output signal in received detective circuit is very high which is propitious to improve acquirement rate.

Hanshan Li

2014-01-01T23:59:59.000Z

372

High-dimensional variable screening and bias in subsequent inference, with an empirical comparison  

Science Journals Connector (OSTI)

We review variable selection and variable screening in high-dimensional linear models. Thereby, a major focus is an empirical comparison of various estimation methods with respect to true and false positive selection rates based on 128 different sparse ... Keywords: Elastic net, Lasso, Linear model, Ridge, Sparsity, Sure independence screening, Variable selection

Peter Bhlmann; Jacopo Mandozzi

2014-06-01T23:59:59.000Z

373

Former Worker Program Reaches 100,000 Screening Milestone | Department of  

Broader source: Energy.gov (indexed) [DOE]

Former Worker Program Reaches 100,000 Screening Milestone Former Worker Program Reaches 100,000 Screening Milestone Former Worker Program Reaches 100,000 Screening Milestone August 29, 2013 - 8:51am Addthis Former Worker Program Reaches 100,000 Screening Milestone A major milestone was reached in June of this year - over 100,000 exams have now been provided to former workers since the inception of the program. Since 1996, the program has made great strides in addressing the occupational health legacy of the Department's 70-plus years of nuclear weapons design and production. We at the Office of Health, Safety and Security are especially proud of the emphasis we place on the importance of serving our workers. The Former Worker Medical Screening Program (FWP) is a prime example of DOE's commitment to its workforce and demonstrates the

374

First law of thermodynamics on holographic screens in entropic force frame  

Science Journals Connector (OSTI)

Imposing a mathematical definition of holographic screen, in the spirit of Verlinde?s entropic force proposal (E.P. Verlinde, arXiv:1001.0785), we give the differential and integral form of the first law of thermodynamics on the holographic screen enclosing a spherical symmetric black hole. It is consistent with equipartition principle and the form of Komar mass. There are also other version of first law, which are equivalent up to a Legendre transformation. The holographic screen thermodynamics is defined in a quasi-local form, which is the main difference to black hole thermodynamics. Thus, the physical interpretation of holographic screen thermodynamics might be different from black hole thermodynamics. We argue that the entropy of the holographic screen determines its area, i.e. S = A 4 . And the metric can be expressed by thermodynamics variables, which is an illustration of how the space is foliated by the thermodynamical potentials.

Yi-Xin Chen; Jian-Long Li

2011-01-01T23:59:59.000Z

375

Geographic variations in access and utilization of cancer screening services: examining disparities among American Indian and Alaska Native Elders  

E-Print Network [OSTI]

Despite recommendations for cancer screening for breast and colorectal cancer among the Medicare population, preventive screenings rates are often lower among vulnerable populations such as the small but rapidly growing older American Indian...

Towne, Samuel D; Smith, Matthew Lee; Ory, Marcia G

2014-06-09T23:59:59.000Z

376

A Whole-Cell Phenotypic Screening Platform for Identifying Methylerythritol Phosphate Pathway-Selective Inhibitors as Novel Antibacterial Agents  

Science Journals Connector (OSTI)

...IPTG. For screening chemical libraries, the platform is capable of evaluating...is activated. The platform is a simple, robust...We developed the platform using 96-well plates...high-throughput screening of chemical collections. Both...

Charles A. Testa; L. Jeffrey Johnson

2012-07-09T23:59:59.000Z

377

Synthesis and Screening of Thin Films in the CeCl3-CeBr3 System...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Screening of Thin Films in the CeCl3-CeBr3 System for Scintillator Applications. Synthesis and Screening of Thin Films in the CeCl3-CeBr3 System for Scintillator Applications....

378

Overview of DOE's field screening technology development activities  

SciTech Connect (OSTI)

The Department of Energy (DOE) has recently created the Office of Environmental Restoration and Waste Management, into which it consolidated those activities. Within this new organization, the Office of Technology Development (OTD) is responsible for research, development, demonstration, testing, and evaluation (RDDT E) activities aimed at meeting DOE cleanup goals, while minimizing cost and risk. Site characterization using traditional drilling, sampling, and analytical methods comprises a significant part of the environmental restoration efforts in terms of both cost and time to accomplish. It can also be invasive and create additional pathways for spread of contaminants. Consequently, DOE is focusing on site characterization as one of the areas in which significant technological advances are possible which will decrease cost, reduce risk, and shorten schedules for achieving restoration goals. DOE is investing considerably in R D and demonstration activities which will improve the abilities to screen chemical, radiological, and physical parameters in the field. This paper presents an overview of the program objectives and status and reviews some of the projects which are currently underway in the area. 1 ref.

Frank, C.W.; Anderson, T.D.; Cooley, C.R.; Hain, K.E.; Lien, S.C.T. (USDOE Office of Environmental Restoration and Waste Management, Washington, DC (USA). Office of Technology Development); Snipes, R.L. (Martin Marietta Energy Systems, Inc., Oak Ridge, TN (USA)); Erickson, M.D. (Argonne National Lab., IL (USA))

1991-01-01T23:59:59.000Z

379

Screening-level approach for estimating contaminant export from tributaries  

SciTech Connect (OSTI)

The in-place pollutant export model (IPX) is a screening-level model for estimating contaminant export from tributaries with contaminated sediments to receiving waterbodies. IPX is a modified version of the USEPA`s WASP4 modeling framework. IPX synthesizes sediment transport processes for sediment aging, decreased sediment resuspendability with increasing age, and resuspension of freshly deposited sediments as a function of water velocity, into an expanded WASP4 contaminant transport and fate chassis while retaining the computational flexibility of the original framework. These process descriptions are needed to accurately simulate contaminant transport and substantially improve the framework for application to tributary systems subject to significant deposition and resuspension events. The potential for applying IPX is broad; water quality impairments attributable to contaminated sediments are widespread due to discharges from industry, agriculture, and mining and ore processing. IPX has been successfully applied to the upper and lower Fox River in Wisconsin, and the Buffalo and Oswego Rivers in New York, all impaired by contaminated sediments.

Velleux, M. [Wisconsin Dept. of Natural Resources, Madison, WI (United States); Gailani, J. [Army Corps of Engineers, Vicksburg, MS (United States); Endicott, D. [EPA Large Lakes Research Station, Grosse Ile, MI (United States)

1996-06-01T23:59:59.000Z

380

Silicide Schottky Contacts to Silicon: Screened Pinning at Defect Levels  

SciTech Connect (OSTI)

Silicide Schottky contacts can be as large as 0.955 eV (E{sub v} + 0.165 eV) on n-type silicon and as large as 1.05 eV (E{sub c} {minus} 0.07 eV) on p-type silicon. Current models of Schottky barrier formation do not provide a satisfactory explanation of occurrence of this wide variation. A model for understanding Schottky contacts via screened pinning at defect levels is presented. In the present paper it is shown that most transition metal silicides are pinned approximately 0.48 eV above the valence band by interstitial Si clusters. Rare earth disilicides pin close to the divacancy acceptor level 0.41 eV below the conduction band edge while high work function silicides of Ir and Pt pin close to the divacancy donor level 0.21 eV above the valence band edge. Selection of a particular defect pinning level depends strongly on the relative positions of the silicide work function and the defect energy level on an absolute energy scale.

Drummond, T.J.

1999-03-11T23:59:59.000Z

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Argonne National Laboratory-West, Former Production Workers Screening Projects (now known as the Idaho National Laboratory)  

Broader source: Energy.gov [DOE]

Argonne National Laboratory-West, Former Production Workers Screening Projects (now known as the Idaho National Laboratory)

382

Graphene based tunable fractal Hilbert curve array broadband radar absorbing screen for radar cross section reduction  

SciTech Connect (OSTI)

This paper proposes a new type of graphene based tunable radar absorbing screen. The absorbing screen consists of Hilbert curve metal strip array and chemical vapour deposition (CVD) graphene sheet. The graphene based screen is not only tunable when the chemical potential of the graphene changes, but also has broadband effective absorption. The absorption bandwidth is from 8.9GHz to 18.1GHz, ie., relative bandwidth of more than 68%, at chemical potential of 0eV, which is significantly wider than that if the graphene sheet had not been employed. As the chemical potential varies from 0 to 0.4eV, the central frequency of the screen can be tuned from 13.5GHz to 19.0GHz. In the proposed structure, Hilbert curve metal strip array was designed to provide multiple narrow band resonances, whereas the graphene sheet directly underneath the metal strip array provides tunability and averagely required surface resistance so to significantly extend the screen operation bandwidth by providing broadband impedance matching and absorption. In addition, the thickness of the screen has been optimized to achieve nearly the minimum thickness limitation for a nonmagnetic absorber. The working principle of this absorbing screen is studied in details, and performance under various incident angles is presented. This work extends applications of graphene into tunable microwave radar cross section (RCS) reduction applications.

Huang, Xianjun, E-mail: xianjun.huang@manchester.ac.uk [School of Electrical and Electronic Engineering, University of Manchester, Manchester M13 9PL (United Kingdom); College of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073 (China); Hu, Zhirun [School of Electrical and Electronic Engineering, University of Manchester, Manchester M13 9PL (United Kingdom); Liu, Peiguo [College of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073 (China)

2014-11-15T23:59:59.000Z

383

Community-based Risk Screening Tool - Adaptation & Livelihoods (CRiSTAL) |  

Open Energy Info (EERE)

Community-based Risk Screening Tool - Adaptation & Livelihoods (CRiSTAL) Community-based Risk Screening Tool - Adaptation & Livelihoods (CRiSTAL) Jump to: navigation, search Tool Summary Name: Community-based Risk Screening Tool - Adaptation & Livelihoods (CRiSTAL) Agency/Company /Organization: International Institute for Sustainable Development (IISD), Stockholm Environment Institute (SEI), International Union for Conservation of Nature (IUCN), HELVETAS Swiss Intercooperation Sector: Climate, Energy, Land, Water Focus Area: Agriculture, Food Supply, Forestry, Goods and Materials, Land Use, Water Conservation Topics: Low emission development planning Website: www.iisd.org/cristaltool/ UN Region: Eastern Africa, Middle Africa, Northern Africa, Southern Africa, Western Africa, Caribbean, Central America, South America

384

A Screening Method for Guiding R&D Decisions: Pilot Application to Nuclear  

Broader source: Energy.gov (indexed) [DOE]

11 11 A Screening Method for Guiding R&D Decisions: Pilot Application to Nuclear Fuel Cycle Options A Screening Method for Guiding R&D Decisions: Pilot Application to Screen Nuclear Fuel Cycle Options 1 Introduction The Department of Energy's Office of Nuclear Energy (DOE-NE) invests in research and development (R&D) to ensure that the United States will maintain its domestic nuclear energy capability and scientific and technical leadership in the international community of nuclear power nations in the

385

Ten-Year Risk of False Positive Screening Mammograms and Clinical Breast Examinations  

Science Journals Connector (OSTI)

...positive results can provoke anxiety, increase costs, and cause morbidity. Using the computerized clinical records of a health maintenance organization (HMO) for a group of women over a 10-year period, we determined the cumulative risk of a false positive result of breast-cancer screening, the number... Mammography and clinical breast examination are the two principal means of screening for breast cancer.1 The effectiveness of breast-cancer screening has been well documented in eight randomized, controlled trials,2 but there has been less attention to ...

Elmore J.G.; Barton M.B.; Moceri V.M.

1998-04-16T23:59:59.000Z

386

High-Throughput Screen of Natural Product Libraries for Hsp90 Inhibitors  

E-Print Network [OSTI]

and negative controls to make the calculation. Robust statistics [32], which minimizes the effects of outliers on the statistical analysis, were used to calculate the median, robust standard deviation (rSD) and the robust percent coefficient of variance (%r....041 13 rSD). The Microsource compounds were part of a previously published screen [29] that had a Z-factor of 0.62 0.09. The Z-factors for the TimTec and Analyticon screens were 0.77 0.18 and 0.64 0.14, respectively. The %rCV for the screens...

Davenport, Jason; Blach, Maurie; Galam, Lakshmi; Girgis, Antwan; Hall, Jessica; Blagg, Brian S. J.; Matts, Robert L.

2014-03-03T23:59:59.000Z

387

Theoretical Screening of Solid Sorbents for CO{sub 2} Capture  

SciTech Connect (OSTI)

By combining thermodynamic database searches with density functional theory and lattice phonon dynamics, a screening methodology was developed to identify promising solid sorbent candidates for CO{sub 2} capture. This methodology has been used to screen hundreds of solid compounds and some of the promising candidates to date have been reported in literature. This screening methodology is particularly relevant for the case of materials for which experimental thermodynamic data is not available. Such areas of interest are represented by the case of solid mixtures and doped materials, where thermodynamic data are generally not available but for which the crystallographic structure is known or can be easily determined.

Duan, Y [NETL; Sorescu, D C [NETL; Luebke, D [NETL; Morreale, B [NETL; Li, B Y; Zhang, B; Johnson, J K; Zhang, K; Li, X S; King, D

2013-04-11T23:59:59.000Z

388

Single Molecule Screening of Disease DNA Without Amplification  

SciTech Connect (OSTI)

The potential of single molecule detection as an analysis tool in biological and medical fields is well recognized today. This fast evolving technique will provide fundamental sensitivity to pick up individual pathogen molecules, and therefore contribute to a more accurate diagnosis and a better chance for a complete cure. Many studies are being carried out to successfully apply this technique in real screening fields. In this dissertation, several attempts are shown that have been made to test and refine the application of the single molecule technique as a clinical screening method. A basic applicability was tested with a 100% target content sample, using electrophoretic mobility and multiple colors as identification tools. Both electrophoretic and spectral information of individual molecule were collected within a second, while the molecule travels along the flow in a capillary. Insertion of a transmission grating made the recording of the whole spectrum of a dye-stained molecule possible without adding complicated instrumental components. Collecting two kinds of information simultaneously and combining them allowed more thorough identification, up to 98.8% accuracy. Probing mRNA molecules with fluorescently labeled cDNA via hybridization was also carried out. The spectral differences among target, probe, and hybrid were interpreted in terms of dispersion distances after transmission grating, and used for the identification of each molecule. The probes were designed to have the least background when they are free, but have strong fluorescence after hybridization via fluorescence resonance energy transfer. The mRNA-cDNA hybrids were further imaged in whole blood, plasma, and saliva, to test how far a crude preparation can be tolerated. Imaging was possible with up to 50% of clear bio-matrix contents, suggesting a simple lysis and dilution would be sufficient for imaging for some cells. Real pathogen DNA of human papillomavirus (HPV) type-I6 in human genomic DNA was probed with fluorescently-labeled probe molecules and imaged. When only the probes were stained and hybridized in a vial, it had 6 orders of magnitude dynamic range with a detection limit of {approx}0.7 copy/cell. A second dye was added to lower the false positive levels. Although there was a sacrifice of two orders of magnitude in detection limit, the number of false positives was reduced to zero. HPV-16 DNA was also hybridized and detected on surface-tethered probes. When the entire human genomic DNA and HPV was labeled and hybridized, the detection limit was similar to that of one-color assay detected in capillary. However, non-specific adsorption was high, and the dynamic range was narrow because of saturation of the surface and electrostatic repulsion between hybridized targets on the surface. The second probe was introduced to lower non-specific adsorption, and the strategy succeeded in 4 orders of magnitude linear dynamic range in a log-log plot, along with 2.4 copies/cell detection limit. DNA extracts of cell lines that contained a known copy number of HPV-16 DNA were tested with the four strategies described above. The calculated numbers from observed molecule counts matched the known values. Results from the Pap test sample with added HPV DNA were similar to those of purified DNA, suggesting our method is compatible with the conventional Pap test sample collection method. Further optimization will be needed before this single molecule level detection and identification can actually be used in a real clinical lab, but it has good potential and applicability. Improvement such as automated imaging and scanning, more accurate data processing software as well as sensitive camera, should help increase the efficiency and throughput.

Ji-Young Lee

2006-12-12T23:59:59.000Z

389

Pacific Northwest Laboratory`s Lighting Technology Screening Matrix  

SciTech Connect (OSTI)

Pacific Northwest Laboratory has developed the Lighting Technology Screening Matrix (LTSM), a software tool to evaluate alternative lighting retrofit technologies according to life-cycle cost. The LTSM can be used to evaluate retrofits for most configurations of fluorescent, incandescent, high- and low-pressure sodium, metal halide, mercury vapor, and exit lighting systems for any level of operation, electricity price, discount rate, and utility rebate. This tool was developed, in support of the Federal Relighting Initiative as part of the Department of Energy`s Office of Federal Energy Management Program (DOE/FEMP) to assist federal government facilities in their efforts to comply with the 10 CFR 436 mandated life-cycle costing for energy equipment investments. The LTSM has been used in the course of seven site modernization projects. These projects consisted of determining the cost-effective, energy-efficiency potential at military installations. Each project treated the entire military installation as an integrated system, proposed a large number of potential efficiency projects affecting all end-uses and fuel types, and analyzed the cost-effectiveness of each project. The LTSM was used for the lighting portion of these projects. Lighting was, overall, one of the major areas of potential efficiency improvements, accounting for over 30% of the cost-effective resource. Altogether over $43 million worth of cost-effective efficiency investments were identified, worth an estimated $6 million annually in energy, demand, and operations and maintenance (O&M) savings. This paper describes the LTSM and demonstrates its application in a case study at one of the federal installations analyzed.

Harris, L.R. [USDOE, Washington, DC (United States); Stucky, D.J.; Dirks, J.A.; Schultz, R.W.; Shankle, S.A.; Richman, E.E.; Purcell, C.W. [Pacific Northwest Lab., Richland, WA (United States)

1994-04-01T23:59:59.000Z

390

Calcining process emission screening test for polychlorinated dibenzodioxins  

SciTech Connect (OSTI)

Since 1963, the Idaho Chemical Processing Plant (ICPP) at the Idaho National Engineering Laboratory has been using fluidized-bed technology to convert high-level radioactive liquid waste into a granular solid for interim storage before eventual long-term storage. The calcining process uses kerosene, oxygen, air and a cooling jacket to maintain the temperature of the fluidized bed at approximately 400 C. The solids are moved to storage bins and the combustion gases and fine particles are swept from the bed to an atmospheric protection system. This atmospheric protection system includes a cyclone to collect larger particles; a nitric acid scrubber to cool gases and collect small particles; a condenser to reduce water content; silica gel beds to adsorb volatile ruthenium, water, and hydrocarbons; and a series of high efficiency particulate air (HEPA) filters to collect minute particles. The calcination process solidifies waste solutions containing molar levels of acid, nitrate, fluoride, zirconium, aluminum, iron, boron, and cadmium; minor levels (<0.1%) of various fission products and organics; and trace levels (<50 ppm) of chloride and sulfate. Because the process burns kerosene in the presence of other organics and chloride salts; the calciner was considered a potential production source of polychlorinated dibenzo-p-dioxins (PCDD). Therefore, it was necessary to determine if PCDD were being released from the calcination process. Because a gas chromatograph mass spectrometer (GC-MS) and PCDD standards were not available, a screening procedure using two gas chromatographs with electron capture detectors and no PCDD calibration standards was developed.

Hartenstein, S.D.

1993-08-01T23:59:59.000Z

391

Screening, Growth Medium Optimisation and Heterotrophic Cultivation of Microalgae for Biodiesel Production  

Science Journals Connector (OSTI)

This article presents a study on screening of microalgal strains from the Peking University Algae Collection and heterotrophic cultivation for biodiesel production of a selected microalgal strain. Among...Chlorel...

Zongchao Jia; Ying Liu; Maurycy Daroch; Shu Geng

2014-08-01T23:59:59.000Z

392

Abstract B110: Gender differences in cancer screening beliefs and behaviors: Implications for health promotion  

Science Journals Connector (OSTI)

...Conference on the Science of Cancer Health Disparities-- Sep 30-Oct 3...screening beliefs and behaviors: Implications for health promotion Jenna L. Davis 1 B...of these differences might help health professionals redirect their efforts...

Jenna L. Davis; B. Lee Green; and Ralph V. Katz

2010-10-01T23:59:59.000Z

393

THE HISTORY, TECHNOLOGY, AND CARE OF FOLDING SCREENS: CASE STUDIES OF THE CONSERVATION TREATMENT OF  

E-Print Network [OSTI]

Kyoto congress, Kyoto, 19-23 September 1988 / Mills, John (ed.); Smith, Perry (ed.); Yamasaki, Kazuo (ed screen; translates roughly as 'protection from the wind' (Also referred to in English as 'beoube

Mathis, Wayne N.

394

Prostate Cancer Screening : The effect on prostate cancer mortality and incidence.  

E-Print Network [OSTI]

??abstractAt first glance, deciding whether to get the PSA screening test for prostate cancer seems to be pretty straightforward and attractive. Its a simple blood (more)

P.J. van Leeuwen (Pim)

2012-01-01T23:59:59.000Z

395

Screening of a Leptospira biflexa Mutant Library To Identify Genes Involved in Ethidium Bromide Tolerance  

Science Journals Connector (OSTI)

...tolerance by exposing a library of L. biflexa transposon...proteins into the extracellular space, including siderophores...Australia. Insertion mutant library preparation and screening. An L. biflexa mutant library was generated by random...

Helena P?troov; Mathieu Picardeau

2014-07-25T23:59:59.000Z

396

Image-Based Chemical Screening Identifies Drug Efflux Inhibitors in Lung Cancer Cells  

Science Journals Connector (OSTI)

...ICR's basic science and have invested heavily in high-throughput screening robotics, crystallography, and high-performance computing for integrative genomics and chemobiology. Crucially, we're all under one roof, co-located with the...

Xiaofeng Xia; Jian Yang; Fuhai Li; Ying Li; Xiaobo Zhou; Yue Dai; Stephen T.C. Wong

2010-10-01T23:59:59.000Z

397

High Voltage Performance of the Beam Screen of the LHC Injection Kicker Magnets  

E-Print Network [OSTI]

The LHC injection kicker magnets include beam screens to shield the ferrite yokes against wakefields resulting from the high intensity beam. The screening is provided by conductors lodged in the inner wall of a ceramic support tube. The design of the beam screen has been upgraded to overcome limitations and permit LHC operation with increasingly higher bunch intensity and short bunch lengths: the new design also significantly reduces the electric field associated with the screen conductors, decreasing the probability of electrical breakdown. The high voltage conditioning process for the upgraded kicker magnets is presented and discussed. In addition a test setup has been utilized to study flashover, on the inner wall of the ceramic tube, as a function of both applied voltage and vacuum pressure: results from the test setup are presented.

Barnes, MJ; Bregliozzi, G; Calatroni, S; Costa Pinto, P; Day, H; Ducimetire, L; Kramer, T; Namora, V; Mertens, V; Taborelli, M

2014-01-01T23:59:59.000Z

398

Kinetic Roughening in Deposition with Suppressed Screening Peter Nielaba a and Vladimir Privman b  

E-Print Network [OSTI]

Kinetic Roughening in Deposition with Suppressed Screening Peter Nielaba a and Vladimir Privman b: 68.10.Jy, 82.20.Wt -- 1 -- #12; The standard, KPZ [1] model of kinetic roughening of growing surfaces

399

Using Ligand-Based Virtual Screening to Allosterically Stabilize the Activated State of a  

E-Print Network [OSTI]

to the intra- cellular loops. A short tetrazole peptidomimetic based on the photoactivated state of rhodopsin from the designed tetrazole tetra- peptide was used for ligand-based virtual screen- ing to enhance

Marshall, Garland R.

400

An Examination of Systematic Screenings in a Rural Elementary School: Initial Lessons Learned  

E-Print Network [OSTI]

students demonstrating signs of emerging antisocial behavioral patterns. Studies conducted in kindergarten classrooms using ESP as a the primary screening tool found FSS to be an effective intervention (Golly, Stiller, & Walker, 1998; Walker et al., 1998...

Bireley, Kellie Elizabeth

2014-08-31T23:59:59.000Z

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Electric and magnetic screenings of gluons in a model with dimension-2 gluon condensate  

E-Print Network [OSTI]

Electric and magnetic screenings of the thermal gluons are studied by using the background expansion method in a gluodynamic model with dimension-2 gluon condensate. At low temperature, the electric and magnetic gluons are degenerate. With the increasing of temperature, it is found that the electric and magnetic gluons start to split at certain temperature $T_0$. The electric screening mass changes rapidly with temperature when $T>T_0$, and the Polyakov loop expectation value rises sharply around $T_0$ from zero in the vacuum to a value around 0.8 at high temperature. This suggests that the color electric deconfinement phase transition is driven by electric gluons. It is also observed that the magnetic screening mass keeps almost the same as its vacuum value, which manifests that the magnetic gluons remains confined. Both the screening masses and the Polyakov loop results are qualitatively in agreement with the Lattice calculations.

Fukun Xu; Mei Huang

2011-11-22T23:59:59.000Z

402

A cancer screen in zebrafish identifies many ribosomal proteins as haploinsufficient tumor suppressors  

E-Print Network [OSTI]

A collection of over 500 lines of zebrafish (Danio rerio), each heterozygous for a recessive embryonic lethal mutation caused by a retroviral insertion, was screened for lines that displayed early mortality and externally ...

Lai, Kevin

2006-01-01T23:59:59.000Z

403

Screening for and Identification of Starch-, Amylopectin-, and Pullulan-Degrading Activities in Bifidobacterial Strains  

Science Journals Connector (OSTI)

...oligosaccharides in soy by alpha-d-galactosidase...vitro utilization of amylopectin and high-amylose maize (Amylomaize...identification of starch-, amylopectin-, and pullulan-degrading...were screened for alpha-amylase and/or pullulanase...

Sinad M. Ryan; Gerald F. Fitzgerald; Douwe van Sinderen

2006-08-01T23:59:59.000Z

404

Benefication of coking-coal slimes by means of screen centrifuges  

Science Journals Connector (OSTI)

A new slime-benefication technology has been developed at Coal Preparation Plant Neryungrinskaya. In this technology, the product is separated in screen centrifuges. As a result, small particles with relativel...

S. A. Osadchii; E. K. Samoilova; G. Yu. Golberg

2009-06-01T23:59:59.000Z

405

Methods and technologies for high-throughput and high-content small animal screening  

E-Print Network [OSTI]

High-throughput and high-content screening (HTS and HCS) of whole animals requires their immobilization for high-resolution imaging and manipulation. Here we present methods to enable HTS and HCS of the nematode Caenorhabditis ...

Rohde, Christopher, 1979-

2012-01-01T23:59:59.000Z

406

Trial of a Bacterial Screening System for Rapid Detection of Mutagens and Carcinogens  

Science Journals Connector (OSTI)

...of a Bacterial Screening System for Rapid Detection of Mutagens and Carcinogens...Missouri 63103 A bacterial test system for detection of mutagens and carcinogens...SUMMARY A bacterial test system for detection of mutagens and carcinogens...

Daniel S. Longnecker; Thomas J. Curphey; Susan T. James; Douglas S. Daniel; and Nicholas J. Jacobs

1974-07-01T23:59:59.000Z

407

FREE FILM SCREENING AND DISCUSSION Sponsored by the Liberal Studies Department at CSUF  

E-Print Network [OSTI]

FREE FILM SCREENING AND DISCUSSION Sponsored by the Liberal Studies Department at CSUF In Kitale by an audience discussion with film director Philip Hamer. No admission charge: Free and open to the public

de Lijser, Peter

408

An Empirical Study on the Smallest Comfortable Button/Icon Size on Touch Screen  

Science Journals Connector (OSTI)

For the convenience of firefighters decision-making and operation, touch screen display was chosen as the preferred interface for a fire information display system. Few studies were conducted to determine comfor...

Xianghong Sun; Tom Plocher; Weina Qu

2007-01-01T23:59:59.000Z

409

A Study on the Icon Feedback Types of Small Touch Screen for the Elderly  

Science Journals Connector (OSTI)

Small touch screens are widely used in applications such as bank ATMs, point-of-sale terminals, ticket vending machines, facsimiles, and home automation in the daily life. It is intuition-oriented and easy to ope...

Wang-Chin Tsai; Chang-Franw Lee

2009-01-01T23:59:59.000Z

410

Customer relations management: service operations: simulation's role in baggage screening at the airports: a case study  

Science Journals Connector (OSTI)

The Aviation and Transportation Security Act passed by Congress in November, 2001 required the nation's airports to perform 100% checked baggage screening by December 31, 2002. To determine the impact of this requirement on its operations, Lambert St. ...

Suna Hafizogullari; Gloria Bender; Cenk Tunasar

2003-12-01T23:59:59.000Z

411

Black Bear Prep plant replaces high-frequency screens with fine wire sieves  

SciTech Connect (OSTI)

At the Black Bear prep plant (near Wharncliffe, WV, USA) the clean coal from the spirals traditionally reported to high-frequency screens, which removed high-ash clay fines. Screens have inherent inefficiencies that allow clean coal to report to the screen underflow. The goal of this project was to capture the maximum amount of spiral clean coal while still removing the high-ash clay material found in the spiral product. The reduction of the circulating load and plant downtime for unscheduled maintenance were projected as additional benefits. After the plant upgrade, the maintenance related to the high frequency screens was eliminated and an additional 2.27 tons per hour (tph) of fine coal was recovered, which resulted in a payback period of less than one year. The article was adapted from a paper presented at Coal Prep 2007 in April 2007, Lexington, KY, USA. 1 ref., 1 fig., 1 tab.

Barbee, C.J.; Nottingham, J.

2007-12-15T23:59:59.000Z

412

Agenda from the U.S. Department of Energy's High Throughput Screening...  

Broader source: Energy.gov (indexed) [DOE]

Agenda from the U.S. Department of Energy's High Throughput Screening of Hydrogen Storage Materials Workshop on June 26, 2007 Agenda from the U.S. Department of Energy's High...

413

Addendum to "Lattice model for the screening potential of the classical one-component plasma"  

Science Journals Connector (OSTI)

An improvement upon Salpeter and Van Horn's relaxed-lattice model is made by taking into account the quadratic screening potential near zero separation. Implications of a recent experiment on dense plasmas are found to support the lattice model.

Naoki Itoh and Setsuo Ichimaru

1979-06-01T23:59:59.000Z

414

Screening for preadolescent and adolescent Idiopathic Scoliosis of the spine in a Greek ROM population  

Science Journals Connector (OSTI)

Previous school screenings in Greece showed a prevalence of Id. Scoliosis similar to other countries in Europe, America and Asia averaging 1, 5-3% for curves ?10. A complete absence of ROM children with scoliosi...

Panagiotis Smyrnis; A Alexopoylos; Nick Sekouris; E Katsourakis

2009-01-01T23:59:59.000Z

415

Nano-volume plates with excellent optical properties for fast, inexpensive crystallization screening of membrane proteins  

Science Journals Connector (OSTI)

A simple glass-based plate for screening the crystallization of membrane proteins in lipidic mesophases and of soluble proteins by the batch method is described. Trials with <20 ng membrane protein have been performed successfully.

Cherezov, V.

2003-11-15T23:59:59.000Z

416

Glossary of Screen Labels for PARS II V1 | Department of Energy  

Office of Environmental Management (EM)

Glossary of Screen Labels for PARS II V1 More Documents & Publications PARS II Standard Operating Procedure (SOP) PARSIISOP.pdf Proposed Data Elements for PARS II Web Application...

417

E-Print Network 3.0 - affordable screening markers Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

on screen when heshe is trying to align the marker and the cursor, images... be in human-computer interaction 5, 6, 13. With the availability ... Source: Ahuja, Narendra -...

418

E-Print Network 3.0 - anti-igg solid screen Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Technologies and Information Sciences 43 Mid-air display experiments to create novel user interfaces Summary: with a new category of displays, the "immaterial" FogScreen. It can be...

419

Laboratory evaluation of filtercake cleanup techniques and metallic-screens plugging mechanisms in horizontal wells  

E-Print Network [OSTI]

Tests were conducted to evaluate the plugging mechanisms of metallic screens after cleaning up the altercate developed on an unconsolidated core by two exiting drill-in fluids (DIF's). Two simulated drill solids, clay or 75-[]m reservoir sand were...

Garcia Orrego, Gloria Stella

1999-01-01T23:59:59.000Z

420

Revolutionizing the Touch Screen? | U.S. DOE Office of Science (SC)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Revolutionizing the Touch Screen? Revolutionizing the Touch Screen? Discovery & Innovation Stories of Discovery & Innovation Brief Science Highlights SBIR/STTR Highlights Contact Information Office of Science U.S. Department of Energy 1000 Independence Ave., SW Washington, DC 20585 P: (202) 586-5430 05.29.13 Revolutionizing the Touch Screen? Using nanotechnology, EFRC researchers fashion a new kind of transparent electrode for flat-panel displays. Print Text Size: A A A Subscribe FeedbackShare Page Click to enlarge photo. Enlarge Photo An image of a hand over a touchscreen. Photo courtesy of iStockphoto Today's touch screen and flat-panel displays require ultrathin sheets made from an unusual compound containing the element indium. Researchers have developed a replacement fabricated from common, earth-abundant materials

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Screening of antimicrobial activities in red, green and brown macroalgae from Gran Canaria (Canary Islands, Spain)  

Science Journals Connector (OSTI)

Extracts from 44species of seaweed from Gran Canaria (Canary Islands, Spain) were screened for...Asparagopsis taxiformis and Cymopolia barbata were the species with the strongest activities against the broadest...

Antonio Val; Gonzalo Platas; Angela Basilio; Angeles Cabello

2001-03-01T23:59:59.000Z

422

"Flying Through the Known Universe" Screens at 3D Film Festival...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

3D movie flight through hundreds of thousands of galaxies at considerably faster than the speed of light has its world-premiere screening at the 3D Film Festival in Los Angeles....

423

Initial Screening for Gifted and Talented Programs: Increasing Participation of Hispanic English Language Learners  

E-Print Network [OSTI]

) ? Limited English Proficient (LEP) (TEC 89.1225) ? Bilingual Education ? TBE ? ESL ? Gifted and Talented (TEC 29.121) ? Hispanic Gifted and Talented (Lara-Alecio & Irby, 2000) Instrumentation ? The Hispanic Bilingual Gifted Screening Instrument...) ? Limited English Proficient (LEP) (TEC 89.1225) ? Bilingual Education ? TBE ? ESL ? Gifted and Talented (TEC 29.121) ? Hispanic Gifted and Talented (Lara-Alecio & Irby, 2000) Instrumentation ? The Hispanic Bilingual Gifted Screening Instrument...

Esquierdo, J. Joy; Lara-Alecio, Rafael; Irby, Beverly

2010-10-22T23:59:59.000Z

424

Depressive and anxiety disorders in primary care: factors affecting physicians' use of screening information  

E-Print Network [OSTI]

DEPRESSIVE AND ANXIETY DISORDERS IN PRIMARY CARE: FACTORS AFFECTING PHYSICIANS' USE OF SCREENING INFORMATION A Thesis by ASHLEY MEREDITH MANER Submitted to the Office of Graduate Studies of Texas ASrM University in partial fulfillment... of the requirements for the degree of MASTER OF SCIENCE December 1999 Major Subject: Psychology DEPRESSIVE AND ANXIETY DISORDERS IN PRIMARY CARE: FACTORS AFFECTING PHYSICIANS* USE OF SCREENING INFORMATION A Thesis by ASHLEY MEREDITH MANER Submitted to Texas A...

Maner, Ashley Meredith

2012-06-07T23:59:59.000Z

425

Flow method and apparatus for screening chemicals using micro x-ray fluorescence  

DOE Patents [OSTI]

Method and apparatus for screening chemicals using micro x-ray fluorescence. A method for screening a mixture of potential pharmaceutical chemicals for binding to at least one target binder involves flow-separating a solution of chemicals and target binders into separated components, exposing them to an x-ray excitation beam, detecting x-ray fluorescence signals from the components, and determining from the signals whether or not a binding event between a chemical and target binder has occurred.

Warner, Benjamin P. (Los Alamos, NM); Havrilla, George J. (Los Alamos, NM); Miller, Thomasin C. (Bartlesville, OK); Lewis, Cris (Los Alamos, NM); Mahan, Cynthia A. (Los Alamos, NM); Wells, Cyndi A. (Los Alamos, NM)

2009-04-14T23:59:59.000Z

426

Three- to two-dimensional transition in electrostatic screening of point charges at semiconductor surfaces studied by scanning tunneling microscopy  

Science Journals Connector (OSTI)

The electrostatic screening of localized electric charges on semiconductor surfaces is investigated quantitatively by statistically analyzing the spatial distribution of thermally formed positively charged anion surface vacancies on GaAs and InP(110) surfaces. Two screening regimes are found: at low vacancy concentrations the vacancy charges are found to be three-dimensionally screened by bulk charge carriers. The corresponding screening length, which increases strongly with decreasing carrier concentration, is best described by the classical bulk screening length evaluated with a surface dielectric constant. With increasing vacancy concentration at given bulk carrier concentration, a three- to two-dimensional screening transition occurs. At high vacancy concentrations, the screening is found to be governed by charge carriers located in a two-dimensional surface vacancy defect band, which is partially filled due to the vacancy-induced surface band bending.

A. Laubsch, K. Urban, and Ph. Ebert

2009-12-14T23:59:59.000Z

427

Field evaluation of a standard test method for screening fuels in soils at a railroad site  

SciTech Connect (OSTI)

American Society for Testing and Materials (ASTM) Method D-5831-95 is a standard test method for screening fuel contamination in soils. This method uses low-toxicity chemicals and can be used to screen organic-rich soils. It is also fast, easy, and inexpensive to perform. The screening method calls for extracting a sample of soil with isopropyl alcohol (IPA) following treatment with calcium oxide. The resulting extract is filtered, and the ultraviolet (UV) absorbance of the extract is measured at 254 nm. Depending on the information available concerning the contaminant fuel type and availability of the contaminant fuel for calibration, the method can be used to determine the approximate concentration of fuel contamination, an estimated value of fuel contamination, or an indication of the presence or absence of fuel contamination. Fuels containing aromatic compounds, such as diesel fuel and gasoline, as well as other aromatic-containing hydrocarbon materials, such as motor oil, crude oil, and coal oil can be determined. ASTM Method D-5831 was evaluated by using the method to screen soil samples at an actual field site. Soil contaminated with weathered and fresh diesel fuel was sampled and tested for its contaminant concentration. Soil samples were screened in the field using ASTM Method D-5831 and a portable soil test kit. In addition, splits of the soil samples were analyzed in the laboratory using an extractable petroleum hydrocarbon method. Field and laboratory data were compared and show good correlation between field screening and laboratory results.

Schabron, J.F.; Sorini, S.S. [Western Research Institute, Laramie, WY (United States); Butler, E.L. [Gradient Corp., Cambridge, MA (United States); Frisbie, S. [Johnson Co., Inc., Montpelier, VT (United States)

1997-12-31T23:59:59.000Z

428

Water Velocity Measurements on a Vertical Barrier Screen at the Bonneville Dam Second Powerhouse  

SciTech Connect (OSTI)

Fish screens at hydroelectric dams help to protect rearing and migrating fish by preventing them from passing through the turbines and directing them towards the bypass channels by providing a sweeping flow parallel to the screen. However, fish screens may actually be harmful to fish if they become impinged on the surface of the screen or become disoriented due to poor flow conditions near the screen. Recent modifications to the vertical barrier screens (VBS) at the Bonneville Dam second powerhouse (B2) intended to increase the guidance of juvenile salmonids into the juvenile bypass system (JBS) have resulted in high mortality and descaling rates of hatchery subyearling Chinook salmon during the 2008 juvenile salmonid passage season. To investigate the potential cause of the high mortality and descaling rates, an in situ water velocity measurement study was conducted using acoustic Doppler velocimeters (ADV) in the gatewell slot at Units 12A and 14A of B2. From the measurements collected the average approach velocity, sweep velocity, and the root mean square (RMS) value of the velocity fluctuations were calculated. The approach velocities measured across the face of the VBS varied but were mostly less than 0.3 m/s. The sweep velocities also showed large variances across the face of the VBS with most measurements being less than 1.5 m/s. This study revealed that the approach velocities exceeded criteria recommended by NOAA Fisheries and Washington State Department of Fish and Wildlife intended to improve fish passage conditions.

Hughes, James S.; Deng, Zhiqun; Weiland, Mark A.; Martinez, Jayson J.; Yuan, Yong

2011-11-22T23:59:59.000Z

429

Rigorous Screening Technology for Identifying Suitable CO2 Storage Sites II  

SciTech Connect (OSTI)

This report serves as the final technical report and users manual for the 'Rigorous Screening Technology for Identifying Suitable CO2 Storage Sites II SBIR project. Advanced Resources International has developed a screening tool by which users can technically screen, assess the storage capacity and quantify the costs of CO2 storage in four types of CO2 storage reservoirs. These include CO2-enhanced oil recovery reservoirs, depleted oil and gas fields (non-enhanced oil recovery candidates), deep coal seems that are amenable to CO2-enhanced methane recovery, and saline reservoirs. The screening function assessed whether the reservoir could likely serve as a safe, long-term CO2 storage reservoir. The storage capacity assessment uses rigorous reservoir simulation models to determine the timing, ultimate storage capacity, and potential for enhanced hydrocarbon recovery. Finally, the economic assessment function determines both the field-level and pipeline (transportation) costs for CO2 sequestration in a given reservoir. The screening tool has been peer reviewed at an Electrical Power Research Institute (EPRI) technical meeting in March 2009. A number of useful observations and recommendations emerged from the Workshop on the costs of CO2 transport and storage that could be readily incorporated into a commercial version of the Screening Tool in a Phase III SBIR.

George J. Koperna Jr.; Vello A. Kuuskraa; David E. Riestenberg; Aiysha Sultana; Tyler Van Leeuwen

2009-06-01T23:59:59.000Z

430

Measurement of the solar heat gain coefficient and U value of windows with insect screens  

SciTech Connect (OSTI)

Energy ratings are currently being used in a number of countries to assist in the selection of windows and doors based on energy performance. Developed for simple comparison purposes, these rating numbers do not take into account window removable attachments such as insect screens that are, nevertheless, widely used. Research was carried out to assess the effect of insect screens on the heat gains and losses of windows. The work reported in this paper deals with the effect of one screen type on the performance of a base-case, double-glazed window. Using an indoor solar simulator facility, measurements of the window solar heat gain coefficient (SHGC) and U value were made for different screen attachment configurations and climatic conditions. Results with the sample window tested indicate that insect screens placed on the outdoor side can reduce its SHGC by 46% with only a 7% reduction in its U value (0.19 W/m{sup 2}{center_dot}C), and that insect screens placed on the indoor side can reduce its SHGC by 15% while reducing its U value by 14% (0.38 W/m{sup 2}{center_dot}C).

Brunger, A.; Dubrous, F.M.; Harrison, S.

1999-07-01T23:59:59.000Z

431

Mixed Alcohol Synthesis Catalyst Screening 2007 Progress Report  

SciTech Connect (OSTI)

Pacific Northwest National Laboratory (PNNL) and National Renewable Energy Laboratory (NREL) are researching the feasibility of producing mixed alcohols from biomass-derived synthesis gas (syngas). PNNL is obtaining commercially available mixed alcohol or preparing promising mixed-alcohol catalysts and screening them in a laboratory-scale reactor system. The most promising catalysts are provided to NREL for testing using a slipstream from a pilot-scale biomass gasifier. After a review of the literature in 2006 and conversations with companies that produce catalysts, it was determined that no commercial mixed-alcohol synthesis catalysts were available. One manufacturer supplied a modified methanol catalyst that was tested in the PNNL laboratory-scale system and provided to NREL for further testing. PNNL also prepared and tested the behavior of 10 other catalysts representing the distinct catalyst classes for mixed alcohol syntheses. Based on those results,testing in 2007 focused on the performance of the rhodium-based catalysts. The effects of adding promoters to the rhodium catalysts in addition to the manganese already being used were examined. The iron and rhenium promoters both stood out as achieving higher carbon selectivities , followed by Cu. Iridium and Li, on the other hand, had low carbon selectivity ratios of 0.27 and 0.22, respectively. Although testing of candidate promoters is not complete, it appears that Ir and Li promoters warrant further optimization and possibly combination to further improve STYs and carbon selectivities to C2+ oxygenates. However, using these promoters, it will be necessary to incorporate a separate hydrogenation catalyst to improve the yield of C2+ alcohols with respect to the other oxygenates. Fe, Re, and Cu stand out as possible candidates in this respect, but additional research is needed to examine whether they can be combined with the other promoters on the Rh-based catalyst or need to be optimized on a separate catalyst support that is either physically mixed or used in series with the promoted Rh-based catalyst.

Gerber, Mark A.; White, J. F.; Gray, Michel J.; Stevens, Don J.

2007-11-01T23:59:59.000Z

432

Walla Walla River Basin Fish Screen Evaluations, 2001 : Burlingame and Little Walla Walla Sites.  

SciTech Connect (OSTI)

The Pacific Northwest National Laboratory (PNNL) evaluated 2 newly constructed fish screen sites in the Walla Walla River Basin during the spring of 2001. The fish screens facilities at the Little Walla Walla River in Milton-Freewater, Oregon and at Burlingame west of Walla Walla, Washington were examined to determine if they were being effectively operated and maintained to provide for safe fish passage. Data were collected to determine if velocities in front of the screens and in the bypasses met current National Marine Fisheries Service (NMFS) criteria to promote safe and timely fish passage and whether bypass outfall conditions allowed fish to safely return to the river. Due to a calibration problem with the instrument used to measure water velocities during the spring evaluations, we re-evaluated the water velocities at both sites after the canals discharges were increased in the fall. Based on the results of our studies in 2001, we concluded: Burlingame site--The rotary-drum screen design appeared to be efficiently protecting juvenile fish from entrainment, impingement, and migration delay in May and June. However, sediment and debris accumulations in the screen forebay could result in screen seal wear (due to silt) and may increase mortality due to predation in the screen forebay (due to woody debris accumulations along the screen face). All approach velocities were below the NMFS criteria of 0.4 feet per second in November. Sweep velocities were appreciably higher than approach velocities, however sweep velocities did not increase toward the bypass. Bypass velocity was greater than sweep velocities. Little Walla Walla--The flat-plate screen design appeared to be efficiently protecting juvenile fish from entrainment, impingement, and migration delay in May and June. All approach velocities were below the NMFS criteria of 0.4 feet per second in November. Sweep velocities were substantially higher than approach velocities and increased toward the bypass. Bypass velocity was greater than sweep velocities. The automated cleaning brushes at the Little Walla Walla site generally functioned properly. However, there was a small (6 to 12 in.) band along the length of the facility at the bottom of the screen that was not being cleaned effectively by the brush. In addition, the cable that drives the cleaning brush was showing signs of wear (cracks and frays) and should be replaced.

McMichael, Geoffrey A.; Chamness, M.A.

2001-12-01T23:59:59.000Z

433

Ecological Screening Values for Surface Water, Sediment, and Soil: 2005 Update  

SciTech Connect (OSTI)

One of the principal components of the environmental remediation program at the Savannah River Site (SRS) is the assessment of ecological risk. Used to support CERCLA, RCRA, and DOE orders, the ecological risk assessment (ERA) can identify environmental hazards and evaluate remedial action alternatives. Ecological risk assessment is also an essential means for achieving DOE's risk based end state vision for the disposition of nuclear material and waste hazards, the decommissioning of facilities, and the remediation of inactive waste units at SRS. The complexity of an ERA ranges from a screening level ERA (SLERA) to a full baseline ERA. A screening level ecological risk assessments, although abbreviated from a baseline risk assessment, is nonetheless considered a complete risk assessment (EPA, 2001a). One of the initial tasks of any ERA is to identify constituents that potentially or adversely affect the environment. Typically, this is accomplished by comparing a constituent's maximum concentration in surface water, sediment, or soil with an ecological screening value (ESV). The screening process can eliminate many constituents from further consideration in the risk assessment, but it also identifies those that require additional evaluation. This document is an update of a previous compilation (Friday, 1998) and provides a comprehensive listing of ecological screening values for surface water, sediment, and soil. It describes how the screening values were derived and recommends benchmarks that can be used for ecological risk assessment. The sources of these updated benchmarks include the U.S. Environmental Protection Agency (EPA), U.S. Fish and Wildlife Service (USFWS), U.S. Geological Survey (USGS), National Oceanic and Atmospheric Administration (NOAA), Oak Ridge National Laboratory (ORNL), the State of Florida, the Canadian Council of Ministers of the Environment (CCME), the Dutch Ministry of the Environment (RIVM), and the scientific literature. It should be noted that ESV's are continuously revised by the various issuing agencies. The references in this report provide the citations of each source and, where applicable, the internet address where they can be accessed. Although radiological screening values are not included herein due to space limitations, these have been recently derived by a technical working committee sponsored by the U.S. Department of Energy (DOE 2002, 2004). The recommended ecological screening values represent the most conservative concentrations of the cited sources, and are to be used for screening purposes only. They do not represent remedial action cleanup levels. Their use at locations other than SRS should take into account environmental variables such as water quality, soil chemistry, flora and fauna, and other ecological attributes specific to the ecosystem potentially at risk.

Friday, G. P.

2005-07-18T23:59:59.000Z

434

Energy Employees Occupational Illness Compensation Program Act (EEOICPA) and Former Worker Medical Screening Program (FWP) - Agency Roles/Programs for Assisting DOE Covered Workers, January 2014  

Broader source: Energy.gov (indexed) [DOE]

FWP FWP FWP UNITED STATES DEPARTMENT OF LABOR Department of Energy (DOE) - Former Worker Medical Screening Program and Responsibilities under EEOICPA * Former Worker Medical Screening Program (FWP) FWP provides no-cost medical screenings to all former DOE Federal, contractor, and subcontractor employees. The screening focuses on the early detection of health conditions that may be related to occupational exposures such as beryllium, asbestos, radiation, silica, etc. * Medical screenings include a physical exam, hearing test,

435

Light-scattering properties of a woven shade-screen material used for  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Light-scattering properties of a woven shade-screen material used for Light-scattering properties of a woven shade-screen material used for daylighting and solar heat-gain control Title Light-scattering properties of a woven shade-screen material used for daylighting and solar heat-gain control Publication Type Conference Paper LBNL Report Number LBNL-828E Year of Publication 2008 Authors Jonsson, Jacob C., Eleanor S. Lee, and Michael D. Rubin Conference Name SPIE Optics+Photonics Date Published 08/2008 Conference Location San Diego, CA Call Number LBNL-828E Abstract Shade-screens are widely used in commercial buildings as a way to limit the amount of direct sunlight that can disturb people in the building. The shade screens also reduce the solar heat-gain through glazing the system. Modern energy and daylighting analysis software such as EnergyPlus and Radiance require complete scattering properties of the scattering materials in the system.

436

Screening Program Reduced Melanoma Mortality at the Lawrence Livermore National Laboratory, 1984-1996  

SciTech Connect (OSTI)

Worldwide incidence of cutaneous malignant melanoma has increased substantially, and no screening program has yet demonstrated reduction in mortality. We evaluated the education, self examination and targeted screening campaign at the Lawrence Livermore National Laboratory (LLNL) from its beginning in July 1984 through 1996. The thickness and crude incidence of melanoma from the years before the campaign were compared to those obtained during the 13 years of screening. Melanoma mortality during the 13-year period was based on a National Death Index search. Expected yearly deaths from melanoma among LLNL employees were calculated by using California mortality data matched by age, sex, and race/ethnicity and adjusted to exclude deaths from melanoma diagnosed before the program began or before employment at LLNL. After the program began, crude incidence of melanoma thicker than 0.75 mm decreased from 18 to 4 cases per 100,000 person-years (p = 0.02), while melanoma less than 0.75mm remained stable and in situ melanoma increased substantially. No eligible melanoma deaths occurred among LLNL employees during the screening period compared with a calculated 3.39 expected deaths (p = 0.034). Education, self examination and selective screening for melanoma at LLNL significantly decreased incidence of melanoma thicker than 0.75 mm and reduced the melanoma-related mortality rate to zero. This significant decrease in mortality rate persisted for at least 3 yr after employees retired or otherwise left the laboratory.

Schneider, MD, J S; II, PhD, D; MD, PhD, M

2006-10-12T23:59:59.000Z

437

Chemical compatibility screening results of plastic packaging to mixed waste simulants  

SciTech Connect (OSTI)

We have developed a chemical compatibility program for evaluating transportation packaging components for transporting mixed waste forms. We have performed the first phase of this experimental program to determine the effects of simulant mixed wastes on packaging materials. This effort involved the screening of 10 plastic materials in four liquid mixed waste simulants. The testing protocol involved exposing the respective materials to {approximately}3 kGy of gamma radiation followed by 14 day exposures to the waste simulants of 60 C. The seal materials or rubbers were tested using VTR (vapor transport rate) measurements while the liner materials were tested using specific gravity as a metric. For these tests, a screening criteria of {approximately}1 g/m{sup 2}/hr for VTR and a specific gravity change of 10% was used. It was concluded that while all seal materials passed exposure to the aqueous simulant mixed waste, EPDM and SBR had the lowest VTRs. In the chlorinated hydrocarbon simulant mixed waste, only VITON passed the screening tests. In both the simulant scintillation fluid mixed waste and the ketone mixture simulant mixed waste, none of the seal materials met the screening criteria. It is anticipated that those materials with the lowest VTRs will be evaluated in the comprehensive phase of the program. For specific gravity testing of liner materials the data showed that while all materials with the exception of polypropylene passed the screening criteria, Kel-F, HDPE, and XLPE were found to offer the greatest resistance to the combination of radiation and chemicals.

Nigrey, P.J.; Dickens, T.G.

1995-12-01T23:59:59.000Z

438

Washington Phase II Fish Diversion Screen Evaluations in the Yakima River Basin, 2003 Annual Report.  

SciTech Connect (OSTI)

In 2003, the Pacific Northwest National Laboratory (PNNL) evaluated 23 Phase II fish screen sites in the Yakima River Basin as part of a multi-year project for the Bonneville Power Administration on the effectiveness of fish screening devices. PNNL collected data to determine whether velocities in front of the screens and in the bypasses met the National Oceanic and Atmospheric Administration Fisheries (NOAA Fisheries, formerly the National Marine Fisheries Service [NMFS]) criteria to promote safe and timely fish passage. In addition, PNNL conducted underwater video surveys to evaluate the environmental and operational conditions of the screen sites with respect to fish passage. Based on evaluations in 2003, PNNL concluded that: (1) In general, water velocity conditions at the screen sites met fish passage criteria set by the NOAA Fisheries. (2) Conditions at most facilities would be expected to provide for safe juvenile fish passage. (3) Conditions at some facilities indicate that operation and/or maintenance should be modified to improve juvenile fish passage conditions. (4) Automated cleaning brushes generally functioned properly; chains and other moving parts were typically well greased and operative. (5) Removal of sediment buildup and accumulated leafy and woody debris could be improved at some sites.

Vucelick, J.; McMichael, G.; Chamness, M. (Pacific Northwest National Laboratory)

2004-05-01T23:59:59.000Z

439

High-Throughput Thin Film Approach for Screening of Temperature-Pressure-Composition Phase Space  

SciTech Connect (OSTI)

Many solar energy technologies, for example CIGS and CdTe photovoltaics, utilize materials in thin film form. The equilibrium phase diagrams for these and other more novel solar energy materials are not known or are irrelevant because of the non-equilibrium character of the thin film growth processes. We demonstrate a high-throughput thin film approach for screening of temperature-pressure-composition phase diagrams and phase spaces. The examples in focus are novel solar absorbers Cu-N, Cu-O and p-type transparent conductors in the Cr2O3-MnO system. The composition axis of the Cr2O3-MnO phase diagram was screened using a composition spread method. The temperature axis of the Mn-O phase diagram was screened using a temperature spread method. The pressure axes of the Cu-N and Cu-O phase diagrams were screened using rate spread method with the aid of non-equilibrium growth phenomena. Overall these three methods constitute an approach to high-throughput screening of inorganic thin film phase diagrams. This research is supported by U.S. Department of Energy as a part of two NextGen Sunshot projects and an Energy Frontier Research Center.

Zakutayev, A.; Subramaniyan, A.; Caskey, C. M.; Ndione, P. F.; Richards, R. M.; O'Hayre, R.; Ginley, D. S.

2013-01-01T23:59:59.000Z

440

Electric and Magnetic Screening Masses at Finite Temperature from Generalized Polyakov-Line Correlations in Two-flavor Lattice QCD  

E-Print Network [OSTI]

Screenings of the quark-gluon plasma in electric and magnetic sectors are studied on the basis of generalized Polyakov-line correlation functions in lattice QCD simulations with two flavors of improved Wilson quarks. Using the Euclidean-time reflection ($\\R$) and the charge conjugation ($\\Ca$), electric and magnetic screening masses are extracted in a gauge invariant manner. Long distance behavior of the standard Polyakov-line correlation in the quark-gluon plasma is found to be dictated by the magnetic screening. Also, ratio of the two screening masses agrees with that obtained from the dimensionally-reduced effective field theory and the ${\\cal N}=4$ supersymmetric Yang-Mills theory.

Y. Maezawa; S. Aoki; S. Ejiri; T. Hatsuda; N. Ishii; K. Kanaya; N. Ukita; T. Umeda

2010-05-11T23:59:59.000Z

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Cervical cancer, proxies for HPV exposure, screening scare and use of proximal and distal defense behaviors in fear buffering.  

E-Print Network [OSTI]

??As study about risk behavior in relation to getting infected with HPV, fear intensity and screening behavior of women and the use of psychological defense (more)

Leckie, Glenn

2010-01-01T23:59:59.000Z

442

On the Potential Use of Small Scale Fire Tests for Screening Steiner Tunnel Results for Spray Foam Insulation.  

E-Print Network [OSTI]

??The goal of this study is to assess the potential of using bench-scale fire testing to screen materials for the Steiner tunnel fire test. It (more)

Didomizio, Matthew

2013-01-01T23:59:59.000Z

443

A Screening Method for Guiding R&D Decisions: Pilot Application to Nuclear  

Broader source: Energy.gov (indexed) [DOE]

A Screening Method for Guiding R&D Decisions: Pilot Application to A Screening Method for Guiding R&D Decisions: Pilot Application to Nuclear Fuel Cycle Options A Screening Method for Guiding R&D Decisions: Pilot Application to Nuclear Fuel Cycle Options The Department of Energy's Office of Nuclear Energy (DOE-NE) invests in research and development (R&D) to ensure that the United States will maintain its domestic nuclear energy capability and scientific and technical leadership in the international community of nuclear power nations in the years ahead. The 2010 Nuclear Energy Research and Development Roadmap presents a high-level vision and framework for R&D activities that are needed to keep the nuclear energy option viable in the near term and to expand its use in the decades ahead. The roadmap identifies the development of sustainable nuclear fuel cycles as a major

444

A Screening Method for Guiding R&D Decisions: Pilot Application to Nuclear  

Broader source: Energy.gov (indexed) [DOE]

A Screening Method for Guiding R&D Decisions: Pilot Application to A Screening Method for Guiding R&D Decisions: Pilot Application to Nuclear Fuel Cycle Options A Screening Method for Guiding R&D Decisions: Pilot Application to Nuclear Fuel Cycle Options The Department of Energy's Office of Nuclear Energy (DOE-NE) invests in research and development (R&D) to ensure that the United States will maintain its domestic nuclear energy capability and scientific and technical leadership in the international community of nuclear power nations in the years ahead. The 2010 Nuclear Energy Research and Development Roadmap presents a high-level vision and framework for R&D activities that are needed to keep the nuclear energy option viable in the near term and to expand its use in the decades ahead. The roadmap identifies the development of sustainable nuclear fuel cycles as a major

445

Screening effects on field emission from arrays of (5,5) carbon nanotubes: Quantum mechanical simulations  

Science Journals Connector (OSTI)

The simulation of field electron emission from arrays of micrometer-long open-ended (5,5) carbon nanotubes is performed in the framework of quantum theory of many electrons. It is found that the applied external field is strongly screened when the spacing distance is shorter than the length of the carbon nanotubes. The optimal spacing distance is two to three times of the nanotube length, slightly depending on the applied external fields. The electric screening can be described by a factor that is an exponential function of the ratio of the spacing distance to the length of the carbon nanotubes. For a given length, the field enhancement factor decreases sharply as the screening factor is larger than 0.05. The simulation implies that the thickness of the array should be larger than a value, but it does not help the emission much by increasing the thickness a great deal.

Guihua Chen; Weiliang Wang; Jie Peng; Chunshan He; Shaozhi Deng; Ningsheng Xu; Zhibing Li

2007-11-13T23:59:59.000Z

446

CHRONIC ZINC SCREENING WATER EFFECT RATIO FOR THE H-12 OUTFALL, SAVANNAH RIVER SITE  

SciTech Connect (OSTI)

In response to proposed Zn limits for the NPDES outfall H-12, a Zn screening Water Effects Ratio (WER) study was conducted to determine if a full site-specific WER is warranted. Using standard assumptions for relating the lab results to the stream, the screening WER data were consistent with the proposed Zn limit and suggest that a full WER would result in a similar limit. Addition of a humate amendment to the outfall water reduced Zn toxicity, but the toxicity reduction was relatively small and unlikely to impact proposed Zn limits. The screening WER data indicated that the time and expense required to perform a full WER for Zn is not warranted.

Coughlin, D; Brian02 Looney, B; Margaret Millings, M

2009-01-13T23:59:59.000Z

447

First-principles thermodynamic screening approach to photo-catalytic water splitting with co-catalysts  

SciTech Connect (OSTI)

We adapt the computational hydrogen electrode approach to explicitly account for photo-generated charges and use it to computationally screen for viable catalyst/co-catalyst combinations for photo-catalytic water splitting. The hole energy necessary to thermodynamically drive the reaction is employed as descriptor for the screening process. Using this protocol and hybrid-level density-functional theory, we show that water oxidation on bare TiO{sub 2} surfaces is thermodynamically more complex than previously thought. This motivates a screening for suitable co-catalysts for this half-reaction, which we carry out for Au particles down to the non-scalable size regime. We find that almost all small Au clusters studied are better suited for water photo-oxidation than an extended Au(111) surface or bare TiO{sub 2} facets.

Oberhofer, Harald; Reuter, Karsten [Department Chemie, Technische Universitt Mnchen, Lichtenbergstr. 4, D-85747 Garching (Germany)] [Department Chemie, Technische Universitt Mnchen, Lichtenbergstr. 4, D-85747 Garching (Germany)

2013-07-28T23:59:59.000Z

448

Proximal surface caries detection with direct-exposure and rare earth screen/film imaging  

SciTech Connect (OSTI)

This laboratory study compared five imaging systems for their diagnostic accuracy in detection of proximal surface dental caries. Ten viewers provided data on radiographic detectability of carious lesions. The diagnostic accuracy of each system was determined with receiver operating characteristic (ROC) curves by comparing viewer data with the true state of the teeth as determined microscopically. D-speed film marginally outperformed the other four systems, but the three screen/film systems matched the diagnostic accuracy of E-speed film. Radiation reductions between 62% and 92% were achieved with the screen/film systems when compared to the two conventional dental films. The feasibility of designing a screen/film bite-wing cassette was shown, but the poor diagnostic accuracy of the present bite-wing system indicated a need for a new technology in caries detection.

Lundeen, R.C.; McDavid, W.D.; Barnwell, G.M.

1988-12-01T23:59:59.000Z

449

Bound electronic states in a statically screened electric-dipole potential  

Science Journals Connector (OSTI)

The problem of the minimum value of the dipole moment needed to assure the existence of a bound electronic state has been addressed for the electrostatically screened Coulomb interaction of the Yukawa type. Our variational calculation demonstrates that the value of the minimum dipole moment increases as the screening parameter increases. More interestingly, we have found that the dipoles length has a remarkable effect on the minimum dipole moment; a feature not found for the unscreened case. This effect yields a rapid increase of the value of the minimum dipole moment, particularly for large values of the screening parameter, with the increasing dipole moments length. 1996 The American Physical Society.

J. M. Ugalde and C. Sarasola

1996-10-01T23:59:59.000Z

450

Radiation Tolerant Programmable Power Supply for the LHC Beam Screen Heaters  

E-Print Network [OSTI]

For the next LHC run, it is required to install 200W of heating capacity per LHC beam screen heater to regenerate the beam screen by desorption of gas trapped on its walls. In the LHC, there are 272 beam screen heaters and the associated electronics limit presently the heating capacity to 25W. Those electronics are, for the most part, installed inside the LHC tunnel and exposed to its radiation environment. This paper describes the development of a new programmable power supply card that will be integrated into the existing LHC radiation tolerant electronic infrastructure used by the cryogenic system. Radiation tests were undertaken to qualify a power switch capable of coping with the 230Vrms grid voltage and an analog signal multiplexer; these components are required respectively for satisfying the higher power requirements and for reducing the overall cost by using a single analog to digital converter to sample all the signals.

Casas, J

2014-01-01T23:59:59.000Z

451

Screening of Potential Remediation Methods for the 200-BP-5 Operable Unit at the Hanford Site  

SciTech Connect (OSTI)

A screening-level evaluation of potential remediation methods for application to the contaminants of concern (COC) in the 200-BP-5 Operable Unit at the Hanford Site was conducted based on the methods outlined in the Guidance for Conducting Remedial Investigations and Feasibility Studies under CERCLA Interim Final (EPA 1988). The scope of this screening was to identify the most promising remediation methods for use in the more detailed analysis of remediation alternatives that will be conducted as part of the full feasibility study. The screening evaluation was conducted for the primary COC (potential major risk drivers) identified in the groundwater sampling and analysis plan for the operable unit (DOE/RL-2001-49, Rev. 1) with additions.

Truex, Michael J.; Dresel, P. EVAN; Nimmons, Michael J.; Johnson, Christian D.

2006-09-21T23:59:59.000Z

452

Influence of architectural screens on rooftop concentrations due to effluent from short stacks  

SciTech Connect (OSTI)

This paper describes the wind tunnel study conducted on behalf of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) to evaluate and quantify the effect of architectural screens on rooftop concentration levels due to effluent from short stacks. An equivalent stack height (ESH) concept is introduced, which is used to develop a stack height reduction (SHR) factor that may be used in conjunction with existing stack design procedures found in the 1997 ASHRAE Handbook--Fundamentals to account for the presence of architectural screens.

Petersen, R.L.; Carter, J.J.; Ratcliff, M.A.

1999-07-01T23:59:59.000Z

453

Beam Dumping Impedance of the New Beam Screen of the LHC Injection Kicker Magnets  

E-Print Network [OSTI]

The LHC injection kicker magnets experienced significant beam induced heating of the ferrite yoke, with high beam currents circulating for many hours, during operation of the LHC in 2011 and 2012. The causes of this beam induced heating were studied in depth and an improved beam screen implemented to reduce the impedance. Results of measurements and simulations of the new beam screen design are presented in this paper: these are used to predict power loss for operation after long shutdown 1 and for proposed HL-LHC operational parameters.

Day, H; Caspers, F; Mtral, E; Salvant, B; Uythoven, J

2014-01-01T23:59:59.000Z

454

Integrated Screening for Down's Syndrome Based on Tests Performed during the First and Second Trimesters  

Science Journals Connector (OSTI)

The general approach to prenatal screening for Down's syndrome is to estimate a woman's risk of having an affected pregnancy on the basis of factors such as maternal age, serum concentrations of various analytes, and ultrasound measurements that have been found to be associated with Down's syndrome... The general approach to prenatal screening for Down's syndrome is to estimate a woman's risk of having an affected pregnancy on the basis of factors such as maternal age, serum concentrations of various analytes, and ultrasound measurements that have been ...

Wald N.J.Watt H.C.Hackshaw A.K.

1999-08-12T23:59:59.000Z

455

Screening Effects in Superfluid Nuclear and Neutron Matter within Brueckner Theory  

E-Print Network [OSTI]

Effects of medium polarization are studied for $^1S_0$ pairing in neutron and nuclear matter. The screening potential is calculated in the RPA limit, suitably renormalized to cure the low density mechanical instability of nuclear matter. The selfenergy corrections are consistently included resulting in a strong depletion of the Fermi surface. All medium effects are calculated based on the Brueckner theory. The $^1S_0$ gap is determined from the generalized gap equation. The selfenergy corrections always lead to a quenching of the gap, which is enhanced by the screening effect of the pairing potential in neutron matter, whereas it is almost completely compensated by the antiscreening effect in nuclear matter.

L. G. Cao; U. Lombardo; P. Schuck

2006-08-01T23:59:59.000Z

456

Toxicological benchmarks for screening potential contaminants of concern for effects on aquatic biota: 1996 revision  

SciTech Connect (OSTI)

This report presents potential screening benchmarks for protection of aquatic life form contaminants in water. Because there is no guidance for screening for benchmarks, a set of alternative benchmarks is presented herein. This report presents the alternative benchmarks for chemicals that have been detected on the Oak Ridge Reservation. It also presents the data used to calculate the benchmarks and the sources of the data. It compares the benchmarks and discusses their relative conservatism and utility. Also included is the updates of benchmark values where appropriate, new benchmark values, secondary sources are replaced by primary sources, and a more complete documentation of the sources and derivation of all values are presented.

Suter, G.W. II [Oak Ridge National Lab., TN (United States)] [Oak Ridge National Lab., TN (United States); Tsao, C.L. [Duke Univ., Durham, NC (United States). School of the Environment] [Duke Univ., Durham, NC (United States). School of the Environment

1996-06-01T23:59:59.000Z

457

Cloning of Rac and Rho-GDI from tobacco using an heterologous two-hybrid screen*  

Science Journals Connector (OSTI)

To examine whether molecular similarities exist between the animal and plant Rho \\{GTPase\\} signaling pathways, we have developed a heterologous two-hybrid screening method. By this technique, we have cloned a cDNA encoding a tobacco Rac-like protein able to interact with a mammalian Rho-GDI. In a second screen this tobacco Rac was used as a bait and a tobacco homologue of Rho-GDI was identified. These results show that some components of the animal and plant Rac signaling pathways are similar enough to allow their interaction in an heterologous approach. Moreover these data suggest a similar regulation of Rho \\{GTPases\\} in animals and plants.

Flore Kieffer; Taline Elmayan; Sbastien Rubier; Franoise Simon-Plas; Marie-Claire Dagher; Jean-Pierre Blein

2000-01-01T23:59:59.000Z

458

Waste Isolation Pilot Plant Medical Screening Program, Phase I: Needs Assessment  

Broader source: Energy.gov (indexed) [DOE]

Waste Isolation Pilot Plant Waste Isolation Pilot Plant Medical Screening Program Phase I: Needs Assessment Presented to the Office of Worker Screening and Compensation Support, Office of Health, Safety, and Security U.S. Department of Energy Prepared by Queens College, City University of New York United Steelworkers Original Draft: August 22, 2011 Updated Version: May 1, 2012 Table of Contents Summary.............................................................................3 I. Background on the Former Worker Program................................4 II. History of the WIPP Facility......................................................4 III. Scope of this Report.................................................................7 IV. Exposure Characterization........................................................8

459

Yakima and Touchet River Basins Phase II Fish Screen Evaluation, 2006-2007 Annual Report.  

SciTech Connect (OSTI)

In 2006, Pacific Northwest National Laboratory (PNNL) researchers evaluated 27 Phase II fish screen sites in the Yakima and Touchet river basins. Pacific Northwest National Laboratory performs these evaluations for Bonneville Power Administration (BPA) to determine whether the fish screening devices meet those National Marine Fisheries (NMFS) criteria for juvenile fish screen design, that promote safe and timely passage of juvenile salmonids. The NMFS criteria against which the sites were evaluated are as follows: (1) a uniform flow distribution over the screen surface to minimize approach velocity; (2) approach velocities less than or equal to 0.4 ft/s protects the smallest salmonids from impingement; (3) sweep velocities that are greater than approach velocities to minimize delay of out-migrating juveniles and minimize sediment deposition near the screens; (4) a bypass flow greater than or equal to the maximum flow velocity vector resultant upstream of the screens to also minimize delay of out-migrating salmonids; (5) a gradual and efficient acceleration of flow from the upstream end of the site into the bypass entrance to minimize delay of out-migrating salmonids; and (6) screen submergence between 65% and 85% for drum screen sites. In addition, the silt and debris accumulation next to the screens should be kept to a minimum to prevent excessive wear on screens, seals and cleaning mechanisms. Evaluations consist of measuring velocities in front of the screens, using an underwater camera to assess the condition and environment in front of the screens, and noting the general condition and operation of the sites. Results of the evaluations in 2006 include the following: (1) Most approach velocities met the NMFS criterion of less than or equal to 0.4 ft/s. Of the sites evaluated, 31% exceeded the criterion at least once. Thirty-three percent of flat-plate screens had problems compared to 25% of drum screens. (2) Woody debris and gravel deposited during high river levels were a problem at several sites. In some cases, it was difficult to determine the bypass pipe was plugged until several weeks had passed. Slow bypass flow caused by both the obstructions and high river levels may have discouraged fish from entering the bypass, but once they were in the bypass, they may have had no safe exit. Perhaps some tool or technique can be devised that would help identify whether slow bypass flow is caused by pipe blockage or by high river levels. (3) Bypass velocities generally were greater than sweep velocities, but sweep velocities often did not increase toward the bypass. The latter condition could slow migration of fish through the facility. (4) Screen and seal materials generally were in good condition. (5) Automated cleaning brushes generally functioned properly; chains and other moving parts were typically well-greased and operative. (6) Washington Department of Fish and Wildlife (WDFW) and U.S. Bureau of Reclamation (USBR) generally operated and maintained fish screen facilities in a way that provided safe passage for juvenile fish. (7) Efforts with WDFW to find optimal louver settings at Naches-Selah were partly successful. The number of spots with excessive approach velocities was decreased, but we were unable to adjust the site to bring all approach values below 0.4 ft/s. (8) In some instances, irrigators responsible for specific maintenance at their sites (e.g., debris removal) did not perform their tasks in a way that provided optimum operation of the fish screen facility. Enforcement personnel proved effective at reminding irrigation districts of their responsibilities to maintain the sites for fish protection as well as irrigation. (9) We recommend placing datasheets providing up-to-date operating criteria and design flows in each site's logbox. The datasheet should include bypass design flows and a table showing depths of water over the weir and corresponding bypass flow. A similar datasheet relating canal gage readings and canal discharge in cubic feet per second would help identify times when the canal is taking mo

Chamness, Mickie; Tunnicliffe, Cherylyn [Pacific Northwest National Laboratory

2007-03-01T23:59:59.000Z

460

Exploring Flexible Strategies in Engineering Systems Using Screening Models Applications to Offshore Petroleum Projects  

E-Print Network [OSTI]

to Offshore Petroleum Projects by Jijun Lin B.E., Mechanical Engineering, Beijing University of Aeronautics Flexible Strategies in Engineering Systems Using Screening Models Applications to Offshore Petroleum, such as offshore petroleum exploration and production systems, generally require a significant amount of capital

de Weck, Olivier L.

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Individual Differences in Aversion to Ambiguity Regarding Medical Tests and Treatments: Association with Cancer Screening Cognitions  

Science Journals Connector (OSTI)

...Aversion to Ambiguity Regarding Medical Tests and Treatments: Association with Cancer...adequacy of information-about medical tests and treatments is an important psychological...cognitions related to different cancer screening tests. Methods: A survey of 1,074 adults...

Paul K.J. Han; Andrew E. Williams; Amy Haskins; Caitlin Gutheil; F. Lee Lucas; William M.P. Klein; Kathleen M. Mazor

462

A fluorescent screening platform for the rapid evaluation of chemicals in cellular reprogramming  

Science Journals Connector (OSTI)

Current strategies to monitor reprogramming into induced pluripotent stem cells (iPSCs) are limited in that they rely on the recognition of advanced stage biomarkers or they involve the transduction of genetically-modified cells. These limitations are particularly problematic in high-throughput screenings where cell availability, low cost and a rapid experimental protocol are critical issues. Herein we report the application of a pluripotent stem cell fluorescent probe (i.e. CDy1) as a reporter for the rapid screening of chemicals in reprogramming iPSCs. \\{CDy1\\} stains early-stage iPSCs at 7dpi as well as matured iPSCs; hence it can partially overcome the slow kinetics of the reprogramming process. As a proof of concept, we employed a CDy1-based screening in 384 well-plates to examine the effect of newly synthesized hydroxamic acid derivatives in reprogramming mouse fibroblasts transduced with Oct4, Sox2 and Klf-4 without c-Myc. One compound (126) was identified as a reprogramming enhancer by 2.5-fold and we confirmed that 126 behaves as a histone deacetylase (HDAC) inhibitor. The successful identification of novel small molecules enhancing the generation of iPSCs by means of a rapid and simple protocol demonstrates the suitability of this CDy1-based screening platform for the large scale and high-throughput evaluation of iPSC modulators.

Marc Vendrell; Sung-Jin Park; Yogeswari Chandran; Chi-Lik Ken Lee; Hyung-Ho Ha; Nam-Young Kang; Seong-Wook Yun; Young-Tae Chang

2012-01-01T23:59:59.000Z

463

An X-ray transparent microfluidic platform for screening of the phase behavior of lipidic mesophases  

E-Print Network [OSTI]

An X-ray transparent microfluidic platform for screening of the phase behavior of lipidic are significant obstacles in such studies. Here we report a microfluidic platform that facilitates investigations platform was comprised of thin polydimethylsiloxane (PDMS) layers sandwiched between cyclic olefin

Kenis, Paul J. A.

464

An efficient platform for screening expression and crystallization of glycoproteins produced in  

E-Print Network [OSTI]

An efficient platform for screening expression and crystallization of glycoproteins produced, USA. 2The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey modifications will yield samples amenable to crystallization. We describe a platform, which we have proven

Lebendiker, Mario

465

SCREENING OF FRENCH MINING EXPLOITATIONS: A METHODOLOGY AND A NATIONAL HIERARCHISATION TO EVALUATE THE GEOTECHNICAL RISK  

E-Print Network [OSTI]

ore basins exploited in France : certain metal mines (copper in Alps, uranium in Centre-West, etcSCREENING OF FRENCH MINING EXPLOITATIONS: A METHODOLOGY AND A NATIONAL HIERARCHISATION TO EVALUATE Ministry, in charge of mining and post-mining issues, plans to perform as effectively as possible its

Boyer, Edmond

466

Velocity Dependence of Baryon Screening in a Hot Strongly Coupled Plasma  

E-Print Network [OSTI]

The L-dependence of the static potential between Nc quarks arranged in a circle of radius L (a "baryon") immersed in the hot plasma of a gauge theory with Nc colors defines a screening length Ls. We use the AdS/CFT correspondence to compute this screening length for the case of heavy quarks in the plasma of strongly coupled N=4 super Yang-Mills theory moving with velocity v relative to the baryon. We find that in the v -> 1 limit, Ls \\propto (1-v^2)^{1/4}/T, and find that corrections to this velocity dependence are small at lower velocities. This result provides evidence for the robustness of the analogous behavior of the screening length defined by the static quark-antiquark pair, which has been computed previously and in QCD is relevant to quarkonium physics in heavy ion collisions. Our results also show that as long as the hot wind is not blowing precisely perpendicular to the plane of the baryon configuration that we analyze, the Nc different quarks are not all affected by the wind velocity to the same degree, with those quarks lying perpendicular to the wind direction screened most effectively.

Christiana Athanasiou; Hong Liu; Krishna Rajagopal

2008-01-07T23:59:59.000Z

467

General screening criteria for shale gas reservoirs and production data analysis of Barnett shale  

E-Print Network [OSTI]

Shale gas reservoirs are gaining importance in United States as conventional oil and gas resources are dwindling at a very fast pace. The purpose of this study is twofold. First aim is to help operators with simple screening criteria which can help...

Deshpande, Vaibhav Prakashrao

2009-05-15T23:59:59.000Z

468

Warpage Evolution of Screen Printed Multilayer Ceramics During Co-firing  

E-Print Network [OSTI]

-firing multilayer ceramics is a key processing technology to fabricate planar type Solid Oxide Fuel Cells (SOFC, multilayer, solid oxide fuel cell, cyclic loading dilatometry Abstract. Warpage evolution during co-firing of multilayer ceramics was systematically recorded and analyzed. LaSrMnO3 was screen printed on one side

Messing, Gary L.

469

The Usage of Screen-Level Parameters and Microwave Brightness Temperature for Soil Moisture Analysis  

Science Journals Connector (OSTI)

This study focuses on testing two different soil moisture analysis systems based on screen-level parameters (2-m temperature T2m, 2-m relative humidity RH2m) and 1.4-GHz passive microwave brightness temperatures TB. First, a simplified extended ...

G. Seuffert; H. Wilker; P. Viterbo; M. Drusch; J-F. Mahfouf

2004-06-01T23:59:59.000Z

470

Yield of Claims Data and Surveys for Determining Colon Cancer Screening among Health Plan Members  

Science Journals Connector (OSTI)

...Carolina, chart reviews of the medical...data as the gold standard, self-report...medical record review, and beneficiary...five large health plans and found that...no single gold standard for screening...evaluate health plan performance cannot...cancer: systematic review for the US Preventive...

Michael Pignone; Tracy L. Scott; Laura A. Schild; Carmen Lewis; Raquel Vzquez; and Karen Glanz

2009-03-01T23:59:59.000Z

471

High-Throughput Screening Technique for Biomass Conversion in Hot Compressed Water  

Science Journals Connector (OSTI)

High-Throughput Screening Technique for Biomass Conversion in Hot Compressed Water ... Formic acid is known to be converted completely to gaseous products, mainly CO2 and H2 at high temperatures. ... The Ru/TiO2 catalyst is able to convert WSIS (char) to gas, while leaving the oil product practically unaltered with respect to compn. ...

Pavlina Nanou; Wim P. M. van Swaaij; Sascha R. A. Kersten; Guus van Rossum

2012-01-17T23:59:59.000Z

472

1276 Plant Disease / Vol. 90 No. 10 A Detached Cucumber Fruit Method to Screen for Resistance  

E-Print Network [OSTI]

1276 Plant Disease / Vol. 90 No. 10 A Detached Cucumber Fruit Method to Screen for Resistance to Phytophthora capsici and Effect of Fruit Age on Susceptibility to Infection A. J. Gevens, Department of Plant, East Lansing 48824 Fruit rot caused by the fungal-like oo- mycete pathogen, Phytophthora capsici

Lamour, Kurt

473

The Performance of Human Papillomavirus High-Risk DNA Testing in the Screening and Diagnostic Settings  

Science Journals Connector (OSTI)

...from screening and diagnostic settings. Materials and Methods We studied women participating...0.001; see Fig. 1 Figure 1. Flow diagram for patient recruitment and data analysis...local differences in the processing and handling of samples, as suggested by Sankaranarayanan...

Marylou Crdenas-Turanzas; Graciela M. Nogueras-Gonzalez; Michael E. Scheurer; Karen Adler-Storthz; J.L. Benedet; J. Robert Beck; Michele Follen; and Scott B. Cantor

2008-10-01T23:59:59.000Z

474

High-Throughput Chemical Screening for Antivirulence Developmental Phenotypes in Trypanosoma brucei  

Science Journals Connector (OSTI)

...S. A. 108 :10568-10573. doi: 10.1073/pnas.1105622108 . 13. ET Kamau , AR Srinivasan, MJ Brown, MG Fair, EJ Caraher, and JP Boyle. 2012. A focused small-molecule screen identifies 14 compounds with distinct effects on Toxoplasma gondii...

Paula MacGregor; Alasdair Ivens; Steven Shave; Iain Collie; David Gray; Manfred Auer; Keith R. Matthews

2014-01-17T23:59:59.000Z

475

Screening Evaluation of Alternate Sorbents and Methods for Strontium and Actinide Removal from Alkaline Salt Solution  

SciTech Connect (OSTI)

This report describes results from screening tests evaluating strontium and actinide removal characteristics of three different titanium-containing sorbents, crystalline silicotitanate (CST) manufactured by UPO, SrTreat(R) offered by Fortum Engineering, sodium nonatitanate developed by Clearfield and coworkers at Texas A and M University and offered commercially by Honeywell. We also report results from an alternate removal method, coprecipitation.

Hobbs, D.T.

2001-04-17T23:59:59.000Z

476

Screening Evaluation of Sodium Nonatitanate for Strontium and Actinide Removal from Alkaline Salt Solution  

SciTech Connect (OSTI)

This report describes results from screening tests evaluating strontium and actinide removal characteristics of a sodium titanate material developed by Clearfield and coworkers at Texas A and M University and offered commercially by Honeywell. Sodium nonatitanate may exhibit improved actinide removal kinetics and filtration characteristics compared to MST and thus merit testing.

Hobbs, D.T.

2001-02-13T23:59:59.000Z

477

Study of the Outside Air Enthalpy Effects in the Screening of Metered Building Energy Data  

E-Print Network [OSTI]

presented in this paper. The variable of hOA has been implemented in a developed screening tool, which is the application of first law energy balance, to analyze the building energy use. The energy balance load (EBL) for a whole building, which...

Ji, J.; Baltazar, J. C.; Claridge, D.

478

Ionospheric Threat Mitigation by Geometry Screening in Ground-Based Augmentation Systems  

E-Print Network [OSTI]

Ionospheric Threat Mitigation by Geometry Screening in Ground-Based Augmentation Systems Jiyun Lee observed during severe ionospheric storms pose potential threats to the integrity of the Ground threats, because ionospheric gradients are not observable to the ground monitor if they impact

Stanford University

479

Follow-up to Abnormal Cancer Screening Tests: Considering the Multilevel Context of Care  

Science Journals Connector (OSTI)

...Follow-up to Abnormal Cancer Screening Tests: Considering the Multilevel Context of...focused area of follow-up to abnormal tests (breast, colon, cervical), we reviewed...follow-up (e.g., completion of recommended tests, time to diagnosis); most included minority...

Jane M. Zapka; Heather M. Edwards; Veronica Chollette; Stephen H. Taplin

2014-10-01T23:59:59.000Z

480

Dying Green A Film Screening and Panel Discussion about Green Burial  

E-Print Network [OSTI]

Dying Green A Film Screening and Panel Discussion about Green Burial March 20, 2014 6:00pm ­ 8:00pm to rest. The "Green Burial" movement is catching on in the U.S., and green cemetery options are now and panel discussion of the award-winning documentary, Dying Green (2011). Panel participants include Joshua

Virginia Tech

Note: This page contains sample records for the topic "lignocellulose recalcitrance screening" from the National Library of EnergyBeta (NLEBeta).
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they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

In silico screening for tumour-specic expressed sequences in human genome  

E-Print Network [OSTI]

In silico screening for tumour-speci¢c expressed sequences in human genome A.V. Baranovaa , A such as UNIGENE and Cancer Genome Anat- omy Project (CGAP). These tools have built-in limitations that allow set of human ESTs compiled in dbEST database as archived £at-text ¢les and UNIGENE information

Baranova, Ancha

482

A Comprehensive Comparison of Ligand-Based Virtual Screening Tools Against the DUD Dataset  

E-Print Network [OSTI]

A Comprehensive Comparison of Ligand-Based Virtual Screening Tools Against the DUD Dataset Reveals) dataset comprising over 100,000 compounds distributed across 40 protein targets. The DUD was developed and the composition of the DUD dataset itself. We propose that in order to To whom correspondence should be addressed

Paris-Sud XI, Université de

483

Individual Differences in Aversion to Ambiguity Regarding Medical Tests and Treatments: Association with Cancer Screening Cognitions  

Science Journals Connector (OSTI)

...Aversion to Ambiguity Regarding Medical Tests and Treatments: Association with Cancer...adequacy of information-about medical tests and treatments is an important psychological...cognitions related to different cancer screening tests. Methods: A survey of 1,074 adults...

Paul K.J. Han; Andrew E. Williams; Amy Haskins; Caitlin Gutheil; F. Lee Lucas; William M.P. Klein; Kathleen M. Mazor

2014-12-01T23:59:59.000Z

484

White Pine Blister Rust in High-Elevation White Pines: Screening for Simply-Inherited,  

E-Print Network [OSTI]

White Pine Blister Rust in High-Elevation White Pines: Screening for Simply________________ Recent concern about survival and recovery of high- elevation white pine ecosystems has returned white rust- resistance mechanisms in high-elevation white pines, including whitebark (Pinus albicaulis

485

Screening of contaminants in Waste Area Grouping 2 at Oak Ridge National Laboratory, Oak Ridge, Tennessee  

SciTech Connect (OSTI)

Waste Area Grouping 2 (WAG 2) of the Oak Ridge National Laboratory (ORNL) is located in the White Oak Creek Watershed and is composed of White Oak Creek Embayment, White Oak Lake and associated floodplain, and portions of White Oak Creek (WOC) and Melton Branch downstream of ORNL facilities. Contaminants leaving other ORNL WAGs in the WOC watershed pass through WAG 2 before entering the Clinch River. Health and ecological risk screening analyses were conducted on contaminants in WAG 2 to determine which contaminants were of concern and would require immediate consideration for remedial action and which contaminants could be assigned a low priority or further study. For screening purposes, WAG 2 was divided into four geographic reaches: Reach 1, a portion of WOC; Reach 2, Melton Branch; Reach 3, White Oak Lake and the floodplain area to the weirs on WOC and Melton Branch; and Reach 4, the White Oak Creek Embayment, for which an independent screening analysis has been completed. Screening analyses were conducted using data bases compiled from existing data on carcinogenic and noncarcinogenic contaminants, which included organics, inorganics, and radionuclides. Contaminants for which at least one ample had a concentration above the level of detection were placed in a detectable contaminants data base. Those contaminants for which all samples were below the level of detection were placed in a nondetectable contaminants data base.

Blaylock, B.G.; Frank, M.L.; Hoffman, F.O.; Hook, L.A.; Suter, G.W.; Watts, J.A.

1992-07-01T23:59:59.000Z

486

Supporting Information for Screening-engineered Field-effect Solar Cells  

E-Print Network [OSTI]

Supporting Information for Screening-engineered Field-effect Solar Cells William Regan1,2, , Steven of efficiency and Voc as a function of finger separation s Figure S2. Simulated IV curves (AM1.5 illumination includes: Supporting Methods: I.A: Simulation methods for type A cells I.B: Simulation methods for type B

Zettl, Alex

487

Cooling air duct and screen arrangement for an air cooled engine  

SciTech Connect (OSTI)

This patent describes a cooling air duct and screen arrangement for an air cooled engine which includes an improved cooling air system for ensuring a supply of relatively clean air for ingestion by the cooling shroud, which consists of: a vertical transverse baffle mounted to the frame and fitting closely against a forward top portion of the shroud and having an edge shaped complementary to and disposed at least closely adjacent the hood. An air duct is mounted to the frame and has an upright rear wall seated against the front of the shroud in an area surrounding the inlet. The air duct further has an upright front wall and a connecting wall joining respective side and bottom edges of the front and rear walls and cooperating therewith to define an upwardly facing opening. A screen is located forwardly of the baffle and has a top and front joined by opposite sides with the top and opposite sides having rear edges mounted against the baffle and with the opposite sides and front having bottom edges engaged with the air duct about the upwardly facing opening wherein the screen is mounted solely to the baffle by connection means including a vertical guide means provided on the forward side of the baffle and flange means formed on the screen and being vertically slidably received in the guide means.

Hoch, J.J.; Stricker, D.K.

1986-03-04T23:59:59.000Z

488

Screening assessment and requirements for a comprehensive assessment: Volume 1, Draft. Columbia River comprehensive impact assessment  

SciTech Connect (OSTI)

To evaluate the impact to the Columbia River from the Hanford Site-derived contaminants, the U.S. Department of Energy, U.S. Environmental Protection Agency, and Washington State Department of Ecology initiated a study referred to as the Columbia River Comprehensive Impact Assessment (CRCIA). To address concerns about the scope and direction of CRCIA as well as enhance regulator, tribal, stockholder, and public involvement, the CRCIA Management Team was formed in August 1995. The Team agreed to conduct CRCIA using a phased approach. The initial phase, includes two components: 1) a screening assessment to evaluate the potential impact to the river, resulting from current levels of Hanford-derived contaminants in order to support decisions on Interim Remedial Measures, and 2) a definition of the essential work remaining to provide an acceptable comprehensive river impact assessment. The screening assessment is described in Part I of this report. The essential work remaining is Part II of this report. The objective of the screening assessment is to identify areas where the greatest potential exists for adverse effects on humans or the environment. Part I of this report discusses the scope, technical approach, and results of the screening assessment. Part II defines a new paradigm for predecisional participation by those affected by Hanford cleanup decisions.

NONE

1997-04-01T23:59:59.000Z

489

Numerical solution for diffraction of an electromagnetic wave by slits in a perfectly conducting screen  

Science Journals Connector (OSTI)

...a conducting screen. However, Schwarzschild (1902) gave a method of solution...the scattered elds e and b have mirror symmetry about y = 0. Since e...Soc. Lond. A 89, 194{219. Schwarzschild, K. 1902 Die Beugung und Polarisation...

2002-01-01T23:59:59.000Z

490

Effects of d-electrons in pseudopotential screened-exchange density functional calculations  

E-Print Network [OSTI]

Effects of d-electrons in pseudopotential screened-exchange density functional calculations-conservation condition on the PP's guarantees that the net electron density in PP calculations inside the core-radius agrees with the electron density in all-electron (AE) calculations and, at the same time

Geddes, Cameron Guy Robinson

491

Effects of d-electrons in pseudopotential screened-exchange density functional calculations  

E-Print Network [OSTI]

Effects of d-electrons in pseudopotential screened-exchange density functional calculations conservation condition on the PP's guarantees that the net electron density in PP calculation inside the core-radius agree with the electron density in the all-electron (AE) calculations and, at the same time

Geddes, Cameron Guy Robinson

492

Screening of Receptor Antagonists Using Agonist-Activated Patch Clamp Detection in  

E-Print Network [OSTI]

Screening of Receptor Antagonists Using Agonist-Activated Patch Clamp Detection in Chemical 96 Go¨teborg, Sweden We present a capillary electrophoresis-patch clamp detection system optimized-spectrum glutamate receptor antagonist, were separated and detected by kainate-activated patch- clamped interneurons

Zare, Richard N.

493

An analysis and validation pipeline for large-scale RNAi-based screens  

E-Print Network [OSTI]

An analysis and validation pipeline for large-scale RNAi-based screens Michael Plank1 , Guang Hu2 pipeline to prioritize these candidates incorporating effect sizes, functional enrichment analysis associated with oxidative stress resistance, as a proof-of-concept of our pipeline we demonstrate

de Magalhães, João Pedro

494

Abstract CN02-03: Disparities in cervical cancer screening in the Hispanic community  

Science Journals Connector (OSTI)

...of mammography screening. Hispanic/Latinas, ages 40-75...4 cities with the largest Hispanic populations in CT and no prior...of women reported an annual household income of $10,000 or less...higher than that reported for Hispanic/Latinas in national surveys...

Guillermo Tortolero-Luna and Ana Patricia Ortiz-Martinez

2009-02-01T23:59:59.000Z

495

A Screening Technique for Joint Chance-Constrained Programming for Air-Quality Management  

Science Journals Connector (OSTI)

This technical note presents a screening technique for using chance-constrained programming to achieve overall system (i.e., joint) reliability when there is statistical dependence between constraints representing an ambient air-quality requirement at ... Keywords: air quality control, environment, joint chance constraint, programming

Hyunhee An; J. Wayland Eheart

2007-07-01T23:59:59.000Z

496

Screened thermonuclear reactions and predictive stellar evolution of detached double-lined eclipsing binaries  

E-Print Network [OSTI]

The low energy fusion cross sections of charged-particle nuclear reactions (and the respective reaction rates) in stellar plasmas are enhanced due to plasma screening effects. We study the impact of those effects on predictive stellar evolution simulations for detached double-lined eclipsing binaries. We follow the evolution of binary systems (pre-main sequence or main sequence stars) with precisely determined radii and masses from 1.1Mo to 23Mo (from their birth until their present state). The results indicate that all the discrepancies between the screened and unscreened models (in terms of luminosity, stellar radius, and effective temperature) are within the observational uncertainties. Moreover, no nucleosynthetic or compositional variation was found due to screening corrections. Therefore all thermonuclear screening effects on the charged-particle nuclear reactions that occur in the binary stars considered in this work (from their birth until their present state) can be totally disregarded. In other words, all relevant charged-particle nuclear reactions can be safely assumed to take place in a vacuum, thus simplifying and accelerating the simulation processes.

Theodore Liolios; Theocharis Kosmas

2005-07-06T23:59:59.000Z

497

Abstract B89: Timeliness in follow-up after abnormal mammography screening among Asian groups  

Science Journals Connector (OSTI)

...this study we aimed to assess completion and timeliness of diagnostic...we identified women with an index abnormal screening mammogram...follow-up within a year of their index mammogram, and 2) median...follow-up within one year after an index abnormal mammogram. A higher...

Kim H. Nguyen; Leah Karliner; and Rena J. Pasick

2014-11-01T23:59:59.000Z

498

Efficient screening of enhanced oil recovery methods and predictive economic analysis  

Science Journals Connector (OSTI)

Oil demand for economic development around the world is rapidly increasing. Moreover, oil production rates are getting a peak in mature reservoirs and tending to decline in the near future, which has led to considerable researches on enhanced oil recovery ... Keywords: Artificial neural network, EOR data, Economical study, Fluid characteristics, Rock, Screening

Arash Kamari, Mohammad Nikookar, Leili Sahranavard, Amir H. Mohammadi

2014-09-01T23:59:59.000Z

499

Selection effects and database screening in forensic science Marjan Sjerps a,  

E-Print Network [OSTI]

Selection effects and database screening in forensic science Marjan Sjerps a, *, Ronald Meester b,1 a Netherlands Forensic Institute, Laan van Ypenburg 6, 2497 GB DEN HAAG, Postbus 24044, 2490 AA DEN HAAG, The Netherlands 1. Introduction The main objective in forensic science is to produce reliable evidence

Meester, Ronald

500

Sensitivity of diabetic retinopathy associated vision loss to screening interval in an agent-based/discrete event simulation model  

Science Journals Connector (OSTI)

Objective: To examine the effect of changes to screening interval on the incidence of vision loss in a simulated cohort of Veterans with diabetic retinopathy (DR). This simulation allows us to examine potential interventions without putting patients ... Keywords: Agent based modeling, Diabetic eye screen, Diabetic retinopathy, Discrete event simulation

T. Eugene Day, Nathan Ravi, Hong Xian, Ann Brugh

2014-04-01T23:59:59.000Z