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Title: Incorporation of metal nanoparticles into wood substrate and methods

Abstract

Metal nanoparticles were incorporated into wood. Ionic liquids were used to expand the wood cell wall structure for nanoparticle incorporation into the cell wall structure. Nanoparticles of elemental gold or silver were found to be effective surface enhanced Raman spectroscopy (SERS) imaging contrast or sensing agents. Nanoparticles of elemental iron were found to be efficient microwave absorbers and caused localized heating for disrupting the integrity of the lignocellulosic matrix. Controls suggest that the localized heating around the iron nanoparticles reduces losses of cellulose in the form of water, volatiles and CO.sub.2. The ionic liquid is needed during the incorporation process at room temperature. The use of small amounts of ionic liquid combined with the absence of an ionic liquid purification step and a lower energy and water use are expected to reduce costs in an up-scaled pretreatment process.

Inventors:
;
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1224893
Patent Number(s):
9,174,355
Application Number:
13/642,060
Assignee:
Los Alamos National Security, LLC LANL
DOE Contract Number:  
AC52-06NA25396
Resource Type:
Patent
Resource Relation:
Patent File Date: 2011 Apr 20
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES

Citation Formats

Rector, Kirk D, and Lucas, Marcel. Incorporation of metal nanoparticles into wood substrate and methods. United States: N. p., 2015. Web.
Rector, Kirk D, & Lucas, Marcel. Incorporation of metal nanoparticles into wood substrate and methods. United States.
Rector, Kirk D, and Lucas, Marcel. Wed . "Incorporation of metal nanoparticles into wood substrate and methods". United States. doi:. https://www.osti.gov/servlets/purl/1224893.
@article{osti_1224893,
title = {Incorporation of metal nanoparticles into wood substrate and methods},
author = {Rector, Kirk D and Lucas, Marcel},
abstractNote = {Metal nanoparticles were incorporated into wood. Ionic liquids were used to expand the wood cell wall structure for nanoparticle incorporation into the cell wall structure. Nanoparticles of elemental gold or silver were found to be effective surface enhanced Raman spectroscopy (SERS) imaging contrast or sensing agents. Nanoparticles of elemental iron were found to be efficient microwave absorbers and caused localized heating for disrupting the integrity of the lignocellulosic matrix. Controls suggest that the localized heating around the iron nanoparticles reduces losses of cellulose in the form of water, volatiles and CO.sub.2. The ionic liquid is needed during the incorporation process at room temperature. The use of small amounts of ionic liquid combined with the absence of an ionic liquid purification step and a lower energy and water use are expected to reduce costs in an up-scaled pretreatment process.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Nov 04 00:00:00 EST 2015},
month = {Wed Nov 04 00:00:00 EST 2015}
}

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