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Title: Elucidating structural characteristics of biomass using solution-state 2 D NMR with a mixture of deuterated dimethylsulfoxide and hexamethylphosphoramide

Abstract

Abstract Recent developments of NMR methods for characterization of lignocellulosic biomass allow improved understanding of plant cell‐wall structures with minimal deconstruction and modification of biomass. This study introduces a new NMR solvent system composed of dimethylsulfoxide (DMSO‐ d 6 ) and hexamethylphosphoramide (HMPA‐ d 18 ). HMPA as a co‐solvent enhanced swelling and mobility of the biomass samples; thereby it allowed enhancing signals of NMR spectra. The structural information of biomass was successfully analyzed by the proposed NMR solvent system (DMSO‐ d 6 /HMPA‐ d 18 ; 4:1, v / v ) with different biomass. The proposed bi‐solvent system does not require derivatization or isolation of biomass, facilitating a facile sample preparation and involving with no signals overlapping with biomass peaks. It also allows analyzing biomass with a room‐temperature NMR probe instead of cryo‐probes, which are traditionally used for enhancing signal intensities.

Authors:
 [1];  [2];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). BioEnergy Science Center (BESC)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1261570
Alternate Identifier(s):
OSTI ID: 1401664
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
ChemSusChem
Additional Journal Information:
Journal Volume: 9; Journal Issue: 10; Journal ID: ISSN 1864-5631
Publisher:
ChemPubSoc Europe
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS

Citation Formats

Pu, Yunqiao, Ragauskas, Arthur J., Yoo, Chang Geun, and Li, Mi. Elucidating structural characteristics of biomass using solution-state 2 D NMR with a mixture of deuterated dimethylsulfoxide and hexamethylphosphoramide. United States: N. p., 2016. Web. doi:10.1002/cssc.201600135.
Pu, Yunqiao, Ragauskas, Arthur J., Yoo, Chang Geun, & Li, Mi. Elucidating structural characteristics of biomass using solution-state 2 D NMR with a mixture of deuterated dimethylsulfoxide and hexamethylphosphoramide. United States. https://doi.org/10.1002/cssc.201600135
Pu, Yunqiao, Ragauskas, Arthur J., Yoo, Chang Geun, and Li, Mi. Tue . "Elucidating structural characteristics of biomass using solution-state 2 D NMR with a mixture of deuterated dimethylsulfoxide and hexamethylphosphoramide". United States. https://doi.org/10.1002/cssc.201600135. https://www.osti.gov/servlets/purl/1261570.
@article{osti_1261570,
title = {Elucidating structural characteristics of biomass using solution-state 2 D NMR with a mixture of deuterated dimethylsulfoxide and hexamethylphosphoramide},
author = {Pu, Yunqiao and Ragauskas, Arthur J. and Yoo, Chang Geun and Li, Mi},
abstractNote = {Abstract Recent developments of NMR methods for characterization of lignocellulosic biomass allow improved understanding of plant cell‐wall structures with minimal deconstruction and modification of biomass. This study introduces a new NMR solvent system composed of dimethylsulfoxide (DMSO‐ d 6 ) and hexamethylphosphoramide (HMPA‐ d 18 ). HMPA as a co‐solvent enhanced swelling and mobility of the biomass samples; thereby it allowed enhancing signals of NMR spectra. The structural information of biomass was successfully analyzed by the proposed NMR solvent system (DMSO‐ d 6 /HMPA‐ d 18 ; 4:1, v / v ) with different biomass. The proposed bi‐solvent system does not require derivatization or isolation of biomass, facilitating a facile sample preparation and involving with no signals overlapping with biomass peaks. It also allows analyzing biomass with a room‐temperature NMR probe instead of cryo‐probes, which are traditionally used for enhancing signal intensities.},
doi = {10.1002/cssc.201600135},
journal = {ChemSusChem},
number = 10,
volume = 9,
place = {United States},
year = {Tue Apr 26 00:00:00 EDT 2016},
month = {Tue Apr 26 00:00:00 EDT 2016}
}

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Cited by: 52 works
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