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Faster magic angle spinning reveals cellulose conformations in woods

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Abstract

We present a first report on the detection of three different C6 conformers of cellulose in spruce, as revealed by solid-state 1H–13C correlation spectra. The breakthrough in 1H resolution is achieved by magic-angle spinning in the regime of 150 kHz. The suppression of dense dipolar network of 1H provides inverse detected 13C spectra at a good sensitivity even in natural samples. We find that the glycosidic linkages are initially more ordered in spruce than maple, but a thermal treatment of spruce leads to a more heterogeneous packing order of the remaining cellulose fibrils.

Graphical abstract: Faster magic angle spinning reveals cellulose conformations in woods

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Article information


Submitted
02 Mar 2021
Accepted
01 Apr 2021
First published
06 Apr 2021

This article is Open Access

Chem. Commun., 2021, Advance Article
Article type
Communication

Faster magic angle spinning reveals cellulose conformations in woods

E. C. Yuan, S. Huang, H. Huang, J. Sinkkonen, A. Oss, M. Org, A. Samoson, H. Tai and J. C. C. Chan, Chem. Commun., 2021, Advance Article , DOI: 10.1039/D1CC01149A

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