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Sample search results for: 13c 15n 17o

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1 COMPLEMENTARY CARBON, NITROGEN AND OXYGEN ISOTOPIC IMAGING OF INTERPLANETARY DUST PARTICLES: PRESOLAR GRAINS AND AN INDICATION OF A CARBON
 

Summary:  is not associated with the 15 N-rich hotspots, is about 350 by 500 nm2 in size and has a 17 O/16 O ratio of 0... of this non-cluster IDP is enriched in 15 N, although the degree of enrichment Figure 1. Top: d17 O image... the ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
2 pp: 1--12 (col.fig.: Nil) PROD. TYPE: TYP
 

Summary:  isotopomers of carbon dioxide were considered in this study; 12 C16 O2, 13 C16 O2, 12 C16 O18 O,7 12 C16 O17 O... , 13 C16 O18 O, 13 C16 O17 O, 12 C18 O2, 12 C17 ...

  

Source: Gamache, Robert R. - Department of Environmental, Earth, and Atmospheric Sciences, University of Massachusetts at Lowell

 

Collection: Environmental Sciences and Ecology

 
3 ISOTOPICALLY PRIMITIVE INTERPLANETARY DUST PARTICLES OF COMETARY ORIGIN: EVIDENCE FROM NITROGEN ISOTOPIC COMPOSITIONS. C. Floss1,2
 

Summary:  for C and N (12 C­ , 13 C­ , 12 C14 N­ , 12 C15 N­ , 28 Si­ ) and another for O (16 O­ , 17 O­ , 18 O... enrichments seen to date; one of these 15 N hotspots is also depleted in 13 ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
4 , 2004, 30, 6, . 451459 c 2004 . . . *
 

Summary:  , - 10 . : 4He, 12C, 13C, 14C, 14N, 15N, 16O, 17O, 18O, 21Ne, 22Ne, 21Na, 23Na, 23Mg, 24Mg, 26Mg... . , - - . - - CN-: 12C(p, )13N(+)13C, 13C(p, )14N, ...

  

Source: Shlyakhter, Ilya - Verification Group, NEC Laboratories

 

Collection: Computer Technologies and Information Sciences

 
5 This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research
 

Summary:  two stable isotopes (14 N, 15 N), and oxygen, which has three (16 O, 17 O, 18 O). Both nitrogen... is Vienna Standard Mean Ocean Water or VSMOW. The d15 N, d18 O, and d17 O values of NO3 À vary depending... precision of ...

  

Source: Michalski, Greg - Department of Earth and Atmospheric Sciences, Purdue University

 

Collection: Geosciences ; Environmental Sciences and Ecology

 
6 (isotopomer distributions) in Biogeochemistry
 

Summary:  · Sensitivity, quality of spectra given by nuclear properties: 1H > (19F, 31P) > 2H > 13C > 15N >>> 17O... to 13C: - 15N isotopomers of N2O can be studied. - Can ...

  

Source: Max-Planck-Institut für Biogeochemie, GasLab

 

Collection: Environmental Sciences and Ecology ; Geosciences

 
7 Common Mistakes in Stable isotope Terminology and Phraseology James R. O'Neil, 1996 (Adapted for aquatic research by Linda Campbell)
 

Summary:  ; - (relatively) 15 N-rich zooplankton sample; - (relatively) 13 C-poor zooplankton sample Low- 15 N source... , etc.; - 13 , 15 , 34 , etc.; - -13, -15, -34, etc. 13 C, 15 N, 34 S, ...

  

Source: Campbell, Linda - Department of Biology, Queen's University (Kingston)

 

Collection: Environmental Sciences and Ecology ; Biology and Medicine

 
8 Topic: Binary systems I. Novae and X-ray bursts Oxygen Rich Stardust Grains from Novae
 

Summary:  captures, novae are efficient producers of the stable isotopes 13C, 15N, and 17O, as well as radioactive... C and graphite), with combinations of low 12C/13C and 14N/15N ratios, high ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
9 NEW REACTION RATES AND IMPLICATIONS FOR NOVA NUCLEOSYNTHESIS AND PRESOLAR GRAINS. F. Gyngard1
 

Summary:  to produce copious enrichments in the yields of 13 C, 15 N, 17 O, 25 Mg, 26 Al and 30 Si [3]. As novae... with extremely low 12 C/13 C and 14 N/15 N ratios and oxides with very high ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
10 A PRESOLAR SPINEL GRAIN OF PROBABLE NOVA F. Gyngard and E. Zinner. Laboratory for Space Sciences and
 

Summary:  identified by large 13 C, 15 N, and 30 Si excesses [1, 2]. While some purported nova grains may have actually... SIMS [8]. Grain C4-8 was not identified by the particle definition software, but was recognized as an 17 O... ] and manual measurement of 16,17,18 O ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
11 CN Secondary Ions Form by Recombination as Demonstrated Using Multi-Isotope
 

Summary:  bombardment. We have synthesized 13 C and 15 N labeled polyglycine samples with the distance between the two... masses in parallel: 12 C, 13 C, and two of 12 C14 N , 13 C14 N, 12 C15 ...

  

Source: Harvard University, National Resource for Imaging Mass Spectrometry (NRIMS)

 

Collection: Biology and Medicine

 
12 THE PRESENCE AND ABSENCE OF DIFFERENT ISOTOPICALLY ANOMALOUS PHASES IN THE PRIMITIVE INTERPLANETARY DUST PARTICLE TIBERIUS. C. Floss1
 

Summary:  carried out: N and Si (12 C14 N- , 12 C15 N- , 28 Si- , 29 Si- , 30 Si- ), C and N (12 C- , 13 C- , 12 C14... N- , 12 C15 N- , 28 Si- ) and O (16 O- , 17 O- , 18 O- , 28 Si- , 24 Mg16 O- ). SiC grain... ), whereas the other ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
13 Nicotine, acetanilide and urea multi-level 2 N-abundance reference materials for continuous-flow
 

Summary:  would generate isobaric (13 C16 O)þ and (12 C17 O)þ with m/z 29, mimicking the presence of excess (15 N... Nicotine, acetanilide and urea multi-level 2 H-, 13 C- and 15 N-abundance ...

  

Source: US Department of the Interior, US Geological Survey, National Research Program

 

Collection: Multidisciplinary Databases and Resources ; Environmental Sciences and Ecology ; Geosciences

 
14 PRESOLAR (CIRCUMSTELLAR AND INTERSTELLAR) PHASES IN RENAZZO: THE EFFECTS OF PARENT BODY PROCESSING. C. Floss and F. J. Stadermann. Laboratory for Space Sciences, Washington
 

Summary:  for C and N (12 C­ , 13 C­ , 12 C14 N­ , 12 C15 N­ , 28 Si­ ) and another for O isotopes (16 O­ , 17 O... . Isotopic images of Renazzo fragment 20: (a) 13 C and (b) 15 N. Image ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
15 AVANCE DMX 500 MHz Probes and Features
 

Summary:  Pulse Width/ Power Level: 1 H ­ 12.75µs/6dB 19 F ­ 12.25µs/3dB 13 C ­ 9.4µs/5dB 15 N ­ 14.4µs/3dB * 1D 1... , NOESY, etc. 5mm HCN Bruker 1 H 13 C 15 N -50 °C - +80 °C 1 H < 10 µs; 13 ...

  

Source: Akhmedov, Azer - Department of Mathematics, University of California at Santa Barbara

 

Collection: Mathematics

 
16 Journal of Biomolecular NMR, 14: 8588, 1999. KLUWER/ESCOM
 

Summary:  . Printed in the Netherlands. 85 [13 C]-constant-time [15 N,1 H]-TROSY-HNCA for sequential assignments... N,1H]-TROSY-HNCA experiments with a 2H/13C/15N-labeled 110 kDa protein, 7,8-dihydroneopterin... of ...

  

Source: Wider, Gerhard - Institut für Molekularbiologie und Biophysik, Eidgenössische Technische Hochschule Zürich (ETHZ)

 

Collection: Biotechnology ; Biology and Medicine

 
17 Research article High-resolution quantitative imaging of mammalian and
 

Summary:  . As MIMS can distinguish between ions of very similar mass, such as 12C15N- and 13C14N-, it enables... using 13C-oleic acid; to examine nitrogen fixation in bacteria using 15N gaseous nitrogen; to measure... labeled with the ...

  

Source: Harvard University, National Resource for Imaging Mass Spectrometry (NRIMS)

 

Collection: Biology and Medicine

 
18 Nutrient Proxies T M Marchitto, University of Colorado, CO, USA
 

Summary:  on five proxies that are recorded in marine sediments: foraminiferal 13 C, Cd/Ca, Ba/Ca, and Zn... /Ca, and organic matter 15 N. Carbon-13 Systematics Dissolved inorganic carbon (DIC), also known as SCO2... .Furthermore, carbon has two stable isotopes: 12 C (98.9%) and 13 ...

  

Source: Marchitto Jr., Thomas M. - Department of Geological Sciences, University of Colorado at Boulder

 

Collection: Geosciences ; Environmental Sciences and Ecology

 
19 Journal of Biomolecular NMR, 15: 181184, 1999. KLUWER/ESCOM
 

Summary:  '. This paper describes a novel sensitivity enhancement scheme which is based on concatenation of the 13C 15N... to the opti- mization of the 15N transverse relaxation during the long ...

  

Source: Wider, Gerhard - Institut für Molekularbiologie und Biophysik, Eidgenössische Technische Hochschule Zürich (ETHZ)

 

Collection: Biotechnology ; Biology and Medicine

 
20 THE STARDUST INVENTORIES OF CR CHONDRITES QUE 99177 AND MET 00426, AND THE DISTRIBUTION OF PRESOLAR SILICATE AND OXIDE GRAINS IN THE EARLY SOLAR SYSTEM.
 

Summary:  , respectively. In QUE 99177 we also carried out C and N (12 C­ , 13 C­ , 12 C14 N­ , 12 C15 N­ , 28 Si... isotopically anomalous grains. Individual areas of 10 x 10 µm2 were mapped for C and O (12 C­ , 13 C­ , 16 O... ­ , 17 ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics


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21 New Limits for Solid-State 17 O NMR Spectroscopy: Complete Resolution of
 

Summary:  (1H, 13C, 15N) in biological molecules demonstrates that solid-state 17O NMR has tremendous potential... , almost all such NMR reports concern spin-1/2 nuclei (1H, 13C, 15N). Oxygen is ...

  

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

 

Collection: Biology and Medicine

 
22 2D and 3D 15 C NMR Chemical Shift Correlation
 

Summary:  2D and 3D 15 N-13 C-13 C NMR Chemical Shift Correlation Spectroscopy of Solids: Assignment of MAS... chain resonances in uniformly 13C,15N-labeled solid peptides. Methods for 2D ...

  

Source: Griffin, Robert G. - Francis Bitter Magnet Laboratory & Department of Chemistry, Massachusetts Institute of Technology (MIT); Hong, Mei - Department of Chemistry, Iowa State University

 

Collection: Chemistry

 
23 JOURNAL OF MAGNETIC RESONANCE 125, 120131 (1997) ARTICLE NO. MN971107
 

Summary:  of molecules in which 13 C is coupled to is simply the product of the frequencies of labeling at each15 N... , at each of several sites. The 15 N of [2-13 C, 15 N]-labeled glycine of ...

  

Source: Miller, Anne-Frances - Department of Chemistry, University of Kentucky

 

Collection: Biotechnology ; Biology and Medicine ; Chemistry

 
24 Isotopic fractionations associated with phosphoric acid digestion of carbonate minerals: Insights from first-principles theoretical
 

Summary:  16 O 13 C16 O16 O 45 1 12 C17 O16 O16 O2À 61 0.000373003 H2 12 C17 O 16 O16 O 12 C17 O16 O 45 0... 18 O 16 O 46 0.3381400 H2 12 C16 O 16 O18 O 12 C16 O16 O 44 0.3261479 13 ...

  

Source: Goddard III, William A. - Materials and Process Simulation Center & Department of Chemistry, California Institute of Technology

 

Collection: Materials Science

 
25 ANATOMY OF AN ISOTOPICALLY PRIMITIVE INTERPLANETARY DUST PARTICLE: COORDINATED NANOSIMS AND AUGER NANOPROBE ANALYSES. C. Floss, F. J. Stadermann, A.
 

Summary:  (16 O- , 17 O- , 18 O- , 28 Si- , 24 Mg16 O- ), and C and N (12 C- , 13 C- , 12 C14 N- , 12 C15 N... slices of the IDP Andric. Three of the grains have 17 O-rich compositions consistent with a Group 1... normal bulk ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
26 Tracing anthropogenic inputs of nitrogen to ecosystems
 

Summary:  from the isotopic compositions. Nitrogen isotopes (15 N) have been used to identify N sources... in studies of the role of atmospheric deposition in watersheds (Kendall 1998). Analysis of nitrate 17 O... is a promising new tool for determining nitrate sources and reactions, and complements conventional uses ...

  

Source: Elliott, Emily M. - Department of Geology and Planetary Science, University of Pittsburgh

 

Collection: Geosciences

 
27 Molecular conformation of a peptide fragment of transthyretin in an amyloid fibril
 

Summary:  by magic-angle spinning solid-state NMR spectroscopy. 13C and 15N linewidth measurements indicate that TTR... and 15N-13C-13C chemical shift correlation experiments, performed on three ...

  

Source: Griffin, Robert G. - Francis Bitter Magnet Laboratory & Department of Chemistry, Massachusetts Institute of Technology (MIT)

 

Collection: Chemistry

 
28 Five-nucleon simultaneous and sequential transfer in the 12 Be reactions
 

Summary:  He 17 O 15 , 12 C(13 C,8 Be 17 O 16 , 13 C(6 Li,p 18 O 17,18 , 13 C(9 Be,14 C 8 Be 19 , 15 N(12 C,7... /or (d,7 Be on 10 B 6 , 12 C 7 , ...

  

Source: Magiera, Andrzej - Instytut Fizyki, Uniwersytet Jagiellonski

 

Collection: Physics

 
29 Solid-State 17O NMR of Amino Acids K. J. Pike, V. Lemaitre,, A. Kukol,| T. Anupo~ld, A. Samoson, A. P. Howes, A. Watts,
 

Summary:  this structure. The more common nuclei for the NMR study of such problems are 1H, 13C, and 15N. 17O would... practice for 13C and 15N studies of biomolecules, site-specific ...

  

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

 

Collection: Biology and Medicine

 
30 www.sciencemag.org/cgi/content/full/314/5806/1724/DC1 Supporting Online Material for
 

Summary:  , with dwell times of 1 to 5 ms per pixel. Secondary ion intensities for 12 C- , 13 C- , 16 O- , 17 O- , 18 O... C2 from 12 C14 N, and 12 C15 N from 13 C14 N. Three difference sequences of masses were ...

  

Source: Mukhopadhyay, Sujoy - Department of Earth and Planetary Sciences, Harvard University

 

Collection: Geosciences

 
31 This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research
 

Summary:  relationships between PAM concentrations and 13 C values. The 15 N values were not related to anionic PAM... and it is likely that anionic PAM degradation should not result in significant 13 C or 15 N fractionation... the ...

  

Source: Waikato, University of - Department of Biological Sciences, Centre for Biodiversity and Ecology Research

 

Collection: Environmental Sciences and Ecology

 
32 I.1 A Review of Oxygen-17 Solid State NMR of Organic Materials
 

Summary:  and 15 N solid state NMR were unable to resolve any differences. Kuroki et al. reported that 17 O solid... , organic molecules, peptide, hemeprotein, hydrogen-bond, biological applications, review. ABSTRACT 17 O... this progress are outlined. The ...

  

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

 

Collection: Biology and Medicine

 
33 De novo protein structure generation from incomplete chemical shift assignments
 

Summary:  they allow separate observation of each 1H, 13C, and 15N nucleus in the molecule, but also as they carry... . 2008; Manolikas et al. 2008), relying mostly on 13C-13C, ...

  

Source: Baker, David - Center for Nanotechnology and NanoTechnology & Department of Biochemistry, University of Washington at Seattle

 

Collection: Chemistry ; Biotechnology

 
34 Measurements of Carbon to Amide-Proton Distances by C-H Dipolar Recoupling with 15
 

Summary:  magic-angle spinning (MAS).1-5 In proteins, 13C-15N internuclear distances are usually measured using... specifically 13C,15N-labeled samples.6,7 However, the relatively small magnetic dipole moment of ...

  

Source: Hong, Mei - Department of Chemistry, Iowa State University

 

Collection: Chemistry

 
35 Stable Isotope (15 C) Paleolimnological Investigation of Recent
 

Summary:  Stable Isotope (15 N, 13 C) Paleolimnological Investigation of Recent Sediments in Lake Monroe, FL... dated, and analyzed for 15 N and 13 C with the objective of reconstructing paleoproductivity... and nutrient availability in ...

  

Source: Sukop, Mike - Department of Earth Sciences, Florida International University

 

Collection: Engineering ; Geosciences

 
36 Supporting Information Weak Alignment of Paramagnetic Proteins Warrants Correction for Residual CSA
 

Summary:  . Dixon, and Gottfried Otting Figure S1. Paramagnetic shifts of 1 HN (gray), 15 N (blue), and 13 C' (green... of data overlap, the 15 N data point supercedes the 1 HN data point and is superceded by the 13 C' data... point. ...

  

Source: Otting, Gottfried - Research School of Chemistry, Australian National University

 

Collection: Biology and Medicine ; Chemistry

 
37 Determination of Multiple Torsion-Angle Constraints in U-13C,15N-Labeled Peptides: 3D 1H-15N-13C-1H Dipolar
 

Summary:  Determination of Multiple Torsion-Angle Constraints in U-13C,15N-Labeled Peptides: 3D 1H-15N-13C-1H... constraint of peptide backbone and side-chain conformation with 3D 1H-15N- ...

  

Source: Griffin, Robert G. - Francis Bitter Magnet Laboratory & Department of Chemistry, Massachusetts Institute of Technology (MIT)

 

Collection: Chemistry

 
38 The Journal of Nutrition Nutritional Epidemiology
 

Summary:  abundances of carbon and nitrogen stable isotopes (d15 N and d13 C values). Here, we provide three pieces... of evidence toward the validation of these biomarkers. First, we analyzed the d15 N and d13 C values... evaluated ...

  

Source: Barboza, Perry - Institute of Arctic Biology, University of Alaska Fairbanks

 

Collection: Environmental Sciences and Ecology

 
39 Resonance Assignments for Solid Peptides by Dipolar-Mediated 13C/15N Correlation Solid-State
 

Summary:  Resonance Assignments for Solid Peptides by Dipolar-Mediated 13C/15N Correlation Solid-State NMR... determi- nation, it is necessary to assign the 13C and 15N spectral lines to specific atoms in the peptide... or protein of ...

  

Source: Griffin, Robert G. - Francis Bitter Magnet Laboratory & Department of Chemistry, Massachusetts Institute of Technology (MIT); Hong, Mei - Department of Chemistry, Iowa State University

 

Collection: Chemistry

 
40 Ultra-wide bore 900 MHz high-resolution NMR at the National High Magnetic Field Laboratory
 

Summary:  NMR experiments. For solution NMR experiments, a Bruker 5-mm in- verse triple resonance 1 H{13 C, 15 N... state NMR experiments. In addition, static solid-state 17 O and 15 N NMR experiments were carried out... achieved at ...

  

Source: Weston, Ken - Department of Chemistry and Biochemistry, Florida State University

 

Collection: Chemistry


Page:   1  2  3  4  5 
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41 High Frequency (139.5 GHz) Electron Paramagnetic Resonance Characterization of 17O Interactions in GDP and GTP Forms of p21 ras
 

Summary:  extended to include all of the putative ligands of the divalent metal by selectively labeling (13C, 15N... High Frequency (139.5 GHz) Electron Paramagnetic Resonance Characterization of Mn(II)-H2 17O... of this residue as suggested by Halkides et al. [(1994) ...

  

Source: Griffin, Robert G. - Francis Bitter Magnet Laboratory & Department of Chemistry, Massachusetts Institute of Technology (MIT)

 

Collection: Chemistry

 
42 Nucleosynthesis of Elements in Low to Intermediate Mass Stars through the
 

Summary:  / 13 C, 16 O/ 17 O, and 16 O/ 18 O were taken to be inversely proportional to Fe/H, as suggested... a pocket rich in 3 He. Slightly further in, most of the 15 N has been destroyed, and a 13 C­pocket exists... burned. Below, ...

  

Source: Lattanzio, John - Centre for Stellar and Planetary Astrophysics & School of Mathematical Sciences, Monash University

 

Collection: Physics

 
43 Nucleosynthesis of Elements in Low to Intermediate Mass Stars through the
 

Summary:  / 13 C, 16 O/ 17 O, and 16 O/ 18 O were taken to be inversely proportional to Fe/H, as suggested... a pocket rich in 3 He. Slightly further in, most of the 15 N has been destroyed, and a 13 C­pocket exists... burned. Below, ...

  

Source: Boothroyd, Arnold - Canadian Institute for Theoretical Astrophysics, University of Toronto

 

Collection: Physics

 
44 Stabile Isotope in der Umwelt SS2003 Blunier/Leuenberger 22 D:\Vorlesung\Vorlesung_SS03\Final_Documents\Theorie_2_5.doc
 

Summary:  C 15 N 18 O 17 O 2 H #12;Stabile Isotope in der Umwelt SS2003 Blunier/Leuenberger 29 D... Kombinationen Fraktionsanteil 44 12 C16 O16 O 44 F=12 F16 F16 F 45 13 C16 O16 O , 12 C17 O16 O , 12 C16 ...

  

Source: Blunier, Thomas - Climate and Environmental Physics, Institute of Physics, Universität Bern

 

Collection: Environmental Sciences and Ecology ; Geosciences

 
45 Journal of Biomolecular NMR 28: 289294, 2004. KLUWER/ESCOM
 

Summary:  . The proposed triple resonance experiments are applied to a 70% 2H, 85% 13C,15N labeled protein with a molecular... of large proteins requires expensive preparation of perdeuterated 13C,15N labeled protein samples... ...

  

Source: Riek, Roland - Structural Biology Laboratory, Salk Institute for Biological Studies

 

Collection: Biology and Medicine ; Chemistry

 
46 Biological solid state NMR Patrick van der Wel
 

Summary:  4.0 Å ~ 1.9kHz 1.0 Å ~ 30kHz 2.1 Å ~ 3kHz 1.0 Å ~ 12kHz 1H-13C/15N dipolar couplings 1H-1H dipolar... couplings 13C-13C dipolar couplings ...

  

Source: Murphy, Robert F. - Department of Biological Sciences & School of Computer Science, Carnegie Mellon University

 

Collection: Biology and Medicine ; Computer Technologies and Information Sciences

 
47 PoS(NICXI)141 Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence. http://pos.sissa.it
 

Summary:  through proton captures, novae are efficient producers of the stable isotopes 13 C, 15 N, and 17 O... grains from these stars (Fig. 1b). Carbonaceous grains with combinations of low 12 C/13 C and 14 N/15 ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
48 High Frequency (139.5 GHz) Electron Paramagnetic Resonance Spectroscopy of the GTP Form of p21 ras with Selective 17
 

Summary:  of p21 selectively labeled with [15N]Thr, [3-2H]Thr, and [3-13C]Thr, and with Mn(II) as the divalent... with Selective 17 O Labeling of Threonine Christopher J. Halkides,,§ Brendan F. Bellew,| Gary J. Gerfen... of GTP. The p21 sample studied was selectively labeled ...

  

Source: Griffin, Robert G. - Francis Bitter Magnet Laboratory & Department of Chemistry, Massachusetts Institute of Technology (MIT)

 

Collection: Chemistry

 
49 ABUNDANCE OF PRESOLAR GRAINS IN COMET WILD 2 AND IMPLICATIONS FOR TRANSPORT AND MIXING IN THE SOLAR NEBULA. Frank J. Stadermann and Christine Floss, Laboratory for Space Sci-
 

Summary:  primary Cs+ beam and vari- ous detector setups, such as [12 C­ , 13 C­ , 12 C14 N­ , 12 C15 N­ , 28 Si... ­ , SE], [12 C­ , 13 C­ , 16 O­ , 17 O­ , 18 O­ , SE], [16 O­ , 17 ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
50 Pseudomultidimensional NMR by Spin-State Selective Off-Resonance Decoupling
 

Summary:  -state selective off-resonance decoupling is applied to 3D 13 C or 15 N-resolved [1 H,1 H]-NOESY experiments... , adding the chemical shift of the heavy atom attached to the hydrogen (13C or 15N nuclei) with high... contain ...

  

Source: Riek, Roland - Structural Biology Laboratory, Salk Institute for Biological Studies

 

Collection: Biology and Medicine ; Chemistry

 
51 Supporting Information for Ly, Krout, Pham, Tani, Stoltz, and Julian S1 Synthesis of 2-Quinuclidonium by Eliminating Water: Experimental Quantification
 

Summary:  by known methods. Sodium azide (1-15 N, 98 atom% 15 N) and acetic acid (1,2-13 C2, 99 atom% 13 C) were... ) and integration. 13 C NMR spectra were recorded on a Varian Mercury 300 (at ...

  

Source: Stoltz, Brian M. - Division of Chemistry and Chemical Engineering, California Institute of Technology

 

Collection: Chemistry

 
52 THE DISTRIBUTION OF PRESOLAR GRAINS IN CI AND CO METEORITES. K. K. Marhas1, 2 , F. J. Stadermann1
 

Summary:  ) and for 12,13 C, 14,15 N, and 28 Si (ni- tride/carbide search). A primary beam of Cs+ (< 1 p... to be presolar graphites, the rest are likely to be presolar SiCs (13 C ~ 265 to 560 ). The abundance of ~8 ppm... abundance of graph- ite is ~4 ppm, thus the total ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
53 NRIMS Method for Defining and Analyzing Regions of Interest Example from a study of protein turnover in subcellular domains of mouse cochlear hair cells.
 

Summary:  15 N relative to 14 N. Conversely, the lack of contrast of the 13 C- /12 C- ratio image reflects... .5µm; Pixels: 256 x 256; Acquisition: 65.5min. 12 C14 N- 12 C15 N- Ratio 12 C15 N- / 12 C14 N- Ratio ...

  

Source: Harvard University, National Resource for Imaging Mass Spectrometry (NRIMS)

 

Collection: Biology and Medicine

 
54 Enhancing resolution and sensitivity of 17 O solid-state NMR
 

Summary:  linewidths [22,23]) are now comparable with those for spin-1/2 nuclei (e.g. 13 C, 15 N) from comparable... Enhancing resolution and sensitivity of 17 O solid-state NMR through combining double rotation, 1 H... Abstract 17 O ...

  

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

 

Collection: Biology and Medicine

 
55 DISCOVERY OF PRESOLAR CORUNDUM (AND SiC?) IN AN INTERPLANETARY DUST PARTICLE. F. J. Stadermann and C. Floss, Laboratory for Space Sciences and Department of Physics, CB 1105, Washington
 

Summary:  C­ , 16 O­ , 17 O­ , and 18 O­ . A 500 nm O­ primary beam was used for Mg/Al isotope imaging... f study. A N isotopic measurement revealed a slight enrichment in 15 N with a 15 N of (53 ± 6... of this grain is 17 ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
56 DISCOVERY OF PRESOLAR CORUNDUM (AND SiC?) IN AN INTERPLANETARY DUST PARTICLE. F. J. Stadermann and C. Floss, Laboratory for Space Sciences and Department of Physics, CB 1105, Washington
 

Summary:  C­ , 16 O­ , 17 O­ , and 18 O­ . A 500 nm O­ primary beam was used for Mg/Al isotope imaging... f study. A N isotopic measurement revealed a slight enrichment in 15 N with a 15 N of (53 ± 6... of this grain is 17 ...

  

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
57 PHYS 390 Lecture 22 -Energy production in stars 22 -1 2001 by David Boal, Simon Fraser University. All rights reserved; further resale or copying is strictly prohibited.
 

Summary:  + 13 N 13 C + e+ + e 13 C + p 14 N + 14 N + p 15 O + 15 O 15 N + e+ + e 15 N + p 12 C + 4 He (12... -4 of the time 15 N + p 16 O + 16 O + p 17 F + 17 F ...

  

Source: Boal, David - Department of Physics, Simon Fraser University

 

Collection: Physics

 
58 Name _________________________ Exam 4, 2010: CHEM/BCMB 4190/6190/8189 1
 

Summary:  for the simple 1 H-13 C spin system (i.e. CHCl3). Just before the second 1 H 90° pulse, for a particular t1 value... in the number of spins in and states for 13 C. Also, define the relationship between H and X. (8 points) After... ­ N2 = X + H = 5X 13 C1 H N2 N1 ...

  

Source: Prestegard, James H. - Complex Carbohydrate Research Center & Department of Chemistry, University of Georgia

 

Collection: Chemistry ; Biology and Medicine

 
59 Tracing the ozone isotopic anomaly transferred to other atmospheric
 

Summary:  catalyst Produce N2 + O2 To MS: 15N, 17O, 18O Not quantitative calibration #12;Ozone Depletion Events (ODEs... #12;17O(NO3 -) 15N(NO3 -) Jan-01 Feb-01 A pr-01 Jun-01 Jul-01 Sep-01 N ov-01 D ec-01 Date 20 25 30 35... and First ...

  

Source: Dov, Avigad - Institute of Earth Sciences, Hebrew University of Jerusalem

 

Collection: Geosciences

 
60 Determination of Multiple -Torsion Angles in Proteins by Selective and Extensive 13
 

Summary:  for resonance assignment of a selectively 13 C labeled protein were performed using 15 N­13 C 2D correlation... spectroscopy. From the time dependence of the 15 N­13 C dipolar ...

  

Source: Hong, Mei - Department of Chemistry, Iowa State University

 

Collection: Chemistry


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61 Measurement of 13C-15N Distances in Uniformly 13C Labeled Biomolecules: J-Decoupled REDOR
 

Summary:  Measurement of 13C-15N Distances in Uniformly 13C Labeled Biomolecules: J-Decoupled REDOR C. P... placing all REDOR dephasing pulses on the 15N channel avoids the recoupling of 13 C ...

  

Source: Griffin, Robert G. - Francis Bitter Magnet Laboratory & Department of Chemistry, Massachusetts Institute of Technology (MIT)

 

Collection: Chemistry

 
62 Experimental determination of the 17 F reaction rates
 

Summary:  (p,)15 N resonance; mp, M17 and M18 are the proton, 17 O and 18 O masses, respectively; E17 R and E18 R... Experimental determination of the 17 O(p,)14 N and 17 O(p,)18 F reaction rates A. Chafa,1 V... , B-1348 Louvain-la-Neuve, ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
63 preprint astroph/9512121; 1999 ApJ, 501, in press The CNO Isotopes: Deep Circulation in Red Giants and First and Second
 

Summary:  12 C, 13 C, 14 N, 16 O, 17 O, and 18 O, we also present self­consistent calculations... demonstrate that the common low and intermediate mass stars are a prime source of 13 C, 14 N, and 17 O... (1989) reported first ...

  

Source: Boothroyd, Arnold - Canadian Institute for Theoretical Astrophysics, University of Toronto

 

Collection: Physics

 
64 C]-and [13 H]-TROSY in a Triple Resonance Experiment for
 

Summary:  relaxation during the polarization transfers between ribose 13C1 and base 15N1/9 spins, and between 13C6... , respectively, for 13C,15N-labeled nucleotides in structures with molecular ...

  

Source: Riek, Roland - Structural Biology Laboratory, Salk Institute for Biological Studies

 

Collection: Biology and Medicine ; Chemistry

 
65 1999 Macmillan Magazines Ltd letters to nature
 

Summary:  core Depth (m) Gas age (kyr) Climate d15 N (½) d18 O (½)* d17 O (½)* D17 OO2 (per meg) [CO2] (p... value from the measured d17 O and by subtraction of 2(d15 N) from the measured d18 O. ² From ref. 29... isotopes in a ...

  

Source: Bender, Michael - Department of Geosciences, Princeton University

 

Collection: Environmental Sciences and Ecology ; Geosciences

 
66 Solid State Nuclear Magnetic Resonance 26 (2004) 215235 A review of oxygen-17 solid-state NMR of organic
 

Summary:  -helix, whereas 13 C and 15 N solid-state NMR were unable to resolve any differences. Kuroki et al... , 2004 Abstract 17 O solid state NMR of organic materials is developing rapidly. This article provides... that are driving this progress are outlined. The ...

  

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

 

Collection: Biology and Medicine

 
67 Journal of Biomolecular NMR, 11: 97102, 1998. KLUWER/ESCOM
 

Summary:  uniform 15N and 13C labeling. This is commonly achieved by expressing the protein of in- terest... in a bacterial host, typically E. coli, using a growth medium containing 15N and 13C as the sole nitrogen... hydrolysates have ...

  

Source: Clore, G. Marius - Laboratory of Chemical Physics. National Institutes of Health

 

Collection: Biology and Medicine

 
68 High Resolution Structural Studies of Membrane Proteins Using
 

Summary:  spectra of labelled 13 C, 15 N and 17 O glutamate have been recorded to verify sensitivity requirements... ....................................................................................50 2.2.1.a 13 C and ...

  

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

 

Collection: Biology and Medicine

 
69 Frequency Selective Heteronuclear Dipolar Recoupling in Rotating Solids: Accurate 13
 

Summary:  Frequency Selective Heteronuclear Dipolar Recoupling in Rotating Solids: Accurate 13 C-15 N... Distance Measurements in Uniformly 13C,15N-labeled Peptides Christopher P. Jaroniec, Brett A. Tounge... describe a magic-angle ...

  

Source: Griffin, Robert G. - Francis Bitter Magnet Laboratory & Department of Chemistry, Massachusetts Institute of Technology (MIT)

 

Collection: Chemistry

 
70 TROSY-type Triple-Resonance Experiments for Sequential NMR Assignments of Large Proteins
 

Summary:  used with the 23 kDa 2H/13C/15N-labeled protein gyrase 23B, a comparison with the corresponding... experiments with 13C/15N-labeled proteins, which use through-bond scalar coupling connectivities... ]-TROSY in the HNCA and ...

  

Source: Wider, Gerhard - Institut für Molekularbiologie und Biophysik, Eidgenössische Technische Hochschule Zürich (ETHZ)

 

Collection: Biotechnology ; Biology and Medicine

 
71 Journal of Biomolecular NMR, 26: 281282, 2003. KLUWER/ESCOM
 

Summary:  . Printed in the Netherlands. 281 Letter to the Editor: 1 H, 15 N and 13 C backbone assignment of the Green... of these processes. Here we report the backbone 1H, 15N and 13C as- signment of a truncated (Met1-Ile229) form... ...

  

Source: Jackson, Sophie - Department of Chemistry, University of Cambridge

 

Collection: Chemistry ; Biology and Medicine

 
72 Name _________________________ Exam 2: CHEM/BCMB 4190/6190/8189 1
 

Summary:  = 1/2 13C = 6.7283 x 107 rad/T/s, I = 1/2 10B = 2.8747 x 107 rad/T/s, I = 3 15N = -2.7126 x 107 rad... /BCMB 4190/6190/8189 2 2). The DEPT spectrum and the 13 C spectrum with broadband 1 H decoupling... ). The peak at ~132 ppm in the 13 ...

  

Source: Prestegard, James H. - Complex Carbohydrate Research Center & Department of Chemistry, University of Georgia

 

Collection: Chemistry ; Biology and Medicine

 
73 Meteoritics & Planetary Science 43, Nr 1/2, 299313 (2008) Abstract available online at http://meteoritics.org
 

Summary:  with the following secondary ion detector setups: [12C-, 13C-, 16O-, 17O-, 18O-] for C and O, [16O-, 17O-, 18O-, 28Si... -, 27Al16O-] for O, and [12C-, 13C-, 12C14N-, 12C15N-, 28Si-] ...

  

Source: Floss, Christine - Laboratory for Space Sciences & Department of Physics, Washington University in St. Louis; UCLA, Ion Microprobe Facility; Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Geosciences ; Physics

 
74 Instituto de Ciencia de Materiales de Madrid
 

Summary:  050100150200 (ppm) COOH C6H5 13C I=1/2 1.18% ab 100 MHz 17O I=5/2 0.037%ab. 54 MHz 17O I=5/2 0.037% ab 54 MHz... comúnmente estudiados en RMN son el protón (1H, el isótopo más sensible en RMN), el 13C y el ...

  

Source: Instituto de Ciencia de Materiales de Madrid, Photonic Crystals Group

 

Collection: Physics ; Materials Science

 
75 Stable Isotope Variations in Extraterrestrial Materials Kevin D. McKeegan 1
 

Summary:  , and for most types of sufficiently large samples are in the few range for D, better than ~0.1 for 13 C and 15... N, and <0.2 for 17 O and 18 O. For oxygen isotopes, mineral separates (often < 100 % purity) may... has 2 stable isotopes, 12 C and ...

  

Source: UCLA, Ion Microprobe Facility

 

Collection: Geosciences

 
76 Efficient Synthesis of 13 N-Labeled RNA Containing the Cap
 

Summary:  Efficient Synthesis of 13 C,15 N-Labeled RNA Containing the Cap Structure m7 GpppA Hiroshi Matsuo... , m7Gppp[13C,15N]A, m7Gppp[13C,15N]ACC, and ...

  

Source: 

 

Collection: Biology and Medicine

 
77 I.3 Solid State 17 O NMR as a probe for
 

Summary:  . 1998. A MAS NMR Method for Measuring 13C- 17O Distances. J Am Chem Soc 120: 4406 5. de Planque MR... Systems: A Unified Model Based on 13C, 17O, and 57Fe Nuclear Magnetic Resonance and 57Fe Mössbauer... 75 I.3 Solid State ...

  

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

 

Collection: Biology and Medicine

 
78 Multidimensional Heteronuclear Correlation Spectroscopy of a Uniformly 15
 

Summary:  Multidimensional Heteronuclear Correlation Spectroscopy of a Uniformly 15 N- and 13 C... spectroscopic methods designed for structural studies of uniformly 15N- and 13C-labeled peptides and proteins... and ...

  

Source: Ishii, Yoshitaka - Department of Chemistry, University of Illinois at Chicago

 

Collection: Chemistry

 
79 MARINE ECOLOGY PROGRESS SERIES Mar Ecol Prog Ser
 

Summary:  ) and Galveston Bay/Gulf of Mexico. Nitrogen and carbon isotope ratios (15 N and 13 C) were measured... /Gulf of Mexico region, 15 N and 13 C values varied from 3.2 to 9.5 and ­26.1 to ­20.9, respectively. Similar... ...

  

Source: Guo, Laodong - Department of Marine Science, University of Southern Mississippi

 

Collection: Environmental Sciences and Ecology

 
80 Abstract The ecology of many Neotropical fishes is difficult or often impossible to study
 

Summary:  (specifically herbivorous loricariid catfish) throughout their lives. Because plant dietary materials have d13 C... of these plants. The d13 C(otolith) values of xylophagous Panaque nigrolineatus captured in the field were... wherein Hypostomus sp. had d13 C(otolith) ...

  

Source: Nelson, Jay A. - Department of Biological Sciences, Towson University; Patterson, William P. - Department of Geological Sciences, University of Saskatchewan

 

Collection: Biology and Medicine ; Geosciences


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81 orites, but with even lower O/C ratios (23). This suggests that the Stardust organics are not the
 

Summary:  compositions of com- ets are rare. Measurements of D/H, 13 C/12 C, 15 N/14 N, or 18 O/16 O have been made... has an isotopic composition (d13 C = 59 ± 61; d15 N = -518 ± 60) that falls in a range consistent... could be ...

  

Source: Floss, Christine - Laboratory for Space Sciences & Department of Physics, Washington University in St. Louis; Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

 

Collection: Physics

 
82 Journal of Biomolecular NMR 27: 377382, 2003. KLUWER/ESCOM
 

Summary:  impact on the quality of the NMR structure determination. For example, 3D 15N- and 13C-resolved [1H,1H... by selective protonation of the Val-1,2, Leu-1,2 and Ile-1 methyl groups in the otherwise uniformly 2H,15N,13C... ...

  

Source: Wider, Gerhard - Institut für Molekularbiologie und Biophysik, Eidgenössische Technische Hochschule Zürich (ETHZ)

 

Collection: Biotechnology ; Biology and Medicine

 
83 MAGNETIC RESONANCE IN CHEMISTRY Fast multidimensional NMR spectroscopy by spin-state
 

Summary:  -HNCA is selected for the strips. The peak width of the 15 N/13 C strip is set to the full spectral width (¾30 ppm... ). Our test setup is based on Ubiquitin and contains a [15 N,1 H]- HMQC, SITAR-HNCA, SITAR... -HNCACB and SITAR 15 ...

  

Source: Riek, Roland - Structural Biology Laboratory, Salk Institute for Biological Studies

 

Collection: Biology and Medicine ; Chemistry

 
84 The Condor 109:451456 # The Cooper Ornithological Society 2007
 

Summary:  the fractionation of stable nitrogen (d15 N) and carbon (d13 C) isotopes in the breast and primary feathers of 11... of seabirds ranged from 3.0% to 4.6% for d15 N and 0.1% to 2.5% for d13 C. Studies that did not remove ...

  

Source: Beissinger, Steven R. - Department of Environmental Science Policy and Management, University of California at Berkeley

 

Collection: Environmental Sciences and Ecology

 
85 Name _________________________ Exam 2, 2010: CHEM/BCMB 4190/6190/8189 1
 

Summary:  /6190/8189 (135 points) Thursday, 7 October, 2010 1). 13 C NMR spectra for one of the configurational isomers ("A... . Explain in detail how selective 1 H-13 C decoupling of the hydrogens of the -CH3 in this molecule... . This signal/peak is from hydrogens attached to 12 C. The signal corresponding to the ...

  

Source: Prestegard, James H. - Complex Carbohydrate Research Center & Department of Chemistry, University of Georgia

 

Collection: Chemistry ; Biology and Medicine

 
86 J. N. Am. Benthol. Soc., 2005, 24(2):270289 2005 by The North American Benthological Society
 

Summary:  (13 C) and N (15 N) were used to determine the influence of anthropogenic nutrients on seston 15 N... , nutrient concentrations, C/N ratios, and patterns of 13 C and 15 N in foodweb ...

  

Source: Hershey, Anne - Department of Biology, University of North Carolina at Greensboro

 

Collection: Environmental Sciences and Ecology

 
87 Symmetry-based recoupling of 17 H spin pairs
 

Summary:  phase [34]. [U-13 C,17 O]glycine Æ HCl was synthesized following the procedure described in [35]. The 17... to this study. [U-13 C,17 O]glycine Æ HCl has two different 17 ...

  

Source: Levitt, Malcolm H. - School of Chemistry, University of Southampton

 

Collection: Chemistry

 
88 Sensitivity improvement for correlations involving arginine side-chain Ne/He resonances in multi-dimensional NMR experiments using
 

Summary:  design 15N 13C , g1 g2 g2 g3 g4 g5 g5 g6 g6 g7 y -y y V1V1 V1 V1 V1 a a a a a a d d d d t1 2 t1... the 15 N-evolution period was carried out with two consecutive 180° pulses for 13 Ca and 13 C¢ (cB1/2p... ...

  

Source: Clore, G. Marius - Laboratory of Chemical Physics. National Institutes of Health

 

Collection: Biology and Medicine

 
89 LABORATOIRE DE GLACIOLOGIE ET GEOPHYSIQUE DE L'ENVIRONNEMENT
 

Summary:  oxygène (17O=17O-0.52×18O) révèle la nature de leurs mécanismes d'oxydation. Des études couplées de 15N et... stable isotope ratios of nitrate (17O/16O, 18O/16O and 15N/14N) in ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
90 Isotopic record of penguin dietIsotopic record of penguin dietIsotopic record of penguin diet Neandertal DNA damageNeandertal DNA damage
 

Summary:  of the United States of America www.pnas.org #12;Abrupt recent shift in 13 C and 15 N values in Ade´lie penguin... , 2007 (received for review September 26, 2006) Stable isotope values of carbon ( 13C) and nitrogen ( 15N... ...

  

Source: Emslie, Steve - Department of Biology and Marine Biology, University of North Carolina at Wilmington

 

Collection: Environmental Sciences and Ecology

 
91 Revised version Correspondence: Dr. Eric Lichtfouse, INRA-CMSE-PME, 17, rue Sully, 21000 Dijon, France
 

Summary:  at the study of organic substances. Keywords : 13C, 2H, 18O, 15N, soil, sediment, alkane, acide gras, hopanoid... substances naturelles. Mots-clefs : 13C, 2H, 18O, 15N, sol, sédiment, alcane, acide gras, hopanoïde. A ...

  

Source: Ecole Polytechnique, Centre de mathématiques

 

Collection: Mathematics

 
92 Sensitivity Gain by Simultaneous Acquisition of Two Coherence Pathways: The HNCA Experiment
 

Summary:  (17) to 15 N and 13 C, respectively, from where they evolve via different pathways. The final signal... -decoupled with a DIPSI-2 sequence (21). Simultaneously the 15 N and 13 C magnetiza- tions evolve into antiphase... in a ...

  

Source: Wider, Gerhard - Institut für Molekularbiologie und Biophysik, Eidgenössische Technische Hochschule Zürich (ETHZ)

 

Collection: Biotechnology ; Biology and Medicine

 
93 C correlation spectroscopy of membrane-associated and uniformly labeled human immunodeficiency virus and influenza
 

Summary:  13 C­13 C and 15 N­13 C correlation spectroscopy of membrane-associated and uniformly labeled human... and influenza virus fusion peptide IFP were chemically synthesized with uniform 13 ...

  

Source: Weliky, David - Department of Chemistry, Michigan State University

 

Collection: Chemistry

 
94 Structure of an Elastin-Mimetic Polypeptide by
 

Summary:  , is investigated using solid-state NMR spectroscopy. The protein is extensively labeled with 13 C and 15 N, and two... -dimensional 13 C-13 C and 15 N-13 ...

  

Source: Hong, Mei - Department of Chemistry, Iowa State University

 

Collection: Chemistry

 
95 Residual dipolar couplings: a new technique for structure
 

Summary:  for the simultaneous 51 measurement of 13 C-1 H and 13 C´-13 C couplings in 15 N, 13 C labeled proteins 4. Order... -parameter tensor description of HPr in a 59 medium of oriented ...

  

Source: Groningen, Rijksuniversiteit - Centre for Ecological and Evolutionary Studies, Department of Marine Benthic Ecology and Evolution,

 

Collection: Biology and Medicine ; Environmental Sciences and Ecology

 
96 Simultaneous extraction of multiple orientational constraints of membrane proteins by 13
 

Summary:  13 C linewidths of mem- brane proteins are 1­2 ppm whereas the 15 N linewidths are often about 3 ppm... . Moreover, 13 C detection has higher sensitivity than 15 N. Thus, it is desirable to convert the 15 ...

  

Source: Hong, Mei - Department of Chemistry, Iowa State University

 

Collection: Chemistry

 
97 Journal of Biomolecular NMR, 15: 114, 1999. KLUWER/ESCOM
 

Summary:  . Printed in the Netherlands. 1 Resonance assignment of 13 C/15 N labeled solid proteins by two- and three... - specific assignment of 13C and 15N spectra. We describe several 2D and 3D MAS correlation techniques... for ...

  

Source: Hong, Mei - Department of Chemistry, Iowa State University

 

Collection: Chemistry

 
98 Julio C. Facelli, Ph.D. 155 South 1452 East
 

Summary:  Determined from 15N Powder Pattern and 15N- 13C Dipolar NMR Spectroscopy. J Phys Chem, 99, 10454-10458. 61... , Orendt AM, Facelli JC, Solum MS, Pugmire RJ, Parry RW, Grant DM. (1997). Solid State 15N and ...

  

Source: Simons, Jack - Department of Chemistry, University of Utah

 

Collection: Chemistry

 
99 Limnol. Oceanogr., 46(8), 2001, 20612066 2001, by the American Society of Limnology and Oceanography, Inc.
 

Summary:  and Oceanography, Inc. Variation in 15 N and 13 C trophic fractionation: Implications for aquatic food web studies... of the enrichment or depletion in 15 N and 13 C values between prey and predator (known as trophic ...

  

Source: Rasmussen, Joseph - Department of Biological Sciences, University of Lethbridge

 

Collection: Environmental Sciences and Ecology ; Biology and Medicine

 
100 3D NMR Experiments for Measuring 15 N Relaxation Data of Large
 

Summary:  in large proteins, uniformly labeled with 15 N and 13 C, is presented. These experiments are designed... systems. Application of the pulse sequences is demonstrated on a perdeuterated 13 C/15 N-labeled sample... in Fig. 1 ...

  

Source: Clore, G. Marius - Laboratory of Chemical Physics. National Institutes of Health

 

Collection: Biology and Medicine


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