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Characterization of nonderivatized plant cell walls using high‐resolution solution‐state NMR spectroscopy

Open access
Yelle, Daniel J., Ralph, John, Frihart, Charles R.·2008·Magnetic Resonance in Chemistry

Abstract

A recently described plant cell wall dissolution system has been modified to use perdeuterated solvents to allow direct in‐NMR‐tube dissolution and high‐resolution solution‐state NMR of the whole cell wall without derivatization. Finely ground cell wall material dissolves in a solvent system containing dimethylsulfoxide‐d6 and 1‐methylimidazole‐d6 in a ratio of 4:1 (v/v), keeping wood component structures mainly intact in their near‐native state. Two‐dimensional NMR experiments, using gradient‐HSQC (heteronuclear single quantum coherence) 1‐bond 13 C1 H correlation spectroscopy, on nonderivatized cell wall material from a representative gymnosperm pinus taeda (loblolly pine), an angiosperm Populus tremuloides (quaking aspen), and a herbaceous plant Hibiscus cannabinus (kenaf) demonstrate the efficacy of the system. We describe a method to synthesize 1‐methylimidazole‐d6 with a high degree of perdeuteration, thus allowing cell wall dissolution and NMR characterization of nonderivatized plant cell wall structures. Copyright © 2008 John Wiley & Sons, Ltd.

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Metadata

Authors
Yelle, D. J., Ralph, J., & Frihart, C. R.
Venue
Magnetic Resonance in Chemistry
Publisher
Wiley
Published
2008-03-28
Volume
46
Issue
6
Pages
508-517
ISSN
  • 0749-1581 (ISSN-L)
  • 1097-458X
OpenAlex
W2020597418
Cited by
175
References
1
FWCI
14.65
Type
journal article
Language
en
Open access
green

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