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Open AccessReview

Analysis of Cellulose and Lignocellulose Materials by Raman Spectroscopy: A Review of the Current Status

USDA, Forest Service, Forest Products Laboratory, Madison, WI 53726, USA
Academic Editor: Andrzej Grzechnik
Molecules 2019, 24(9), 1659; https://doi.org/10.3390/molecules24091659
Received: 4 March 2019 / Revised: 23 April 2019 / Accepted: 26 April 2019 / Published: 27 April 2019
(This article belongs to the Special Issue Raman Spectroscopy: A Spectroscopic 'Swiss-Army Knife')
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Abstract

This review is a summary of the Raman spectroscopy applications made over the last 10 years in the field of cellulose and lignocellulose materials. This paper functions as a status report on the kinds of information that can be generated by applying Raman spectroscopy. The information in the review is taken from the published papers and author’s own research—most of which is in print. Although, at the molecular level, focus of the investigations has been on cellulose and lignin, hemicelluloses have also received some attention. The progress over the last decade in applying Raman spectroscopy is a direct consequence of the technical advances in the field of Raman spectroscopy, in particular, the application of new Raman techniques (e.g., Raman imaging and coherent anti-Stokes Raman or CARS), novel ways of spectral analysis, and quantum chemical calculations. On the basis of this analysis, it is clear that Raman spectroscopy continues to play an important role in the field of cellulose and lignocellulose research across a wide range of areas and applications, and thereby provides useful information at the molecular level. View Full-Text
Keywords: polymorphy; crystallinity; supramolecular structure; nanocellulose; nanocomposite; lignin; syringyl; hemicellulose; non-linear; density functional theory polymorphy; crystallinity; supramolecular structure; nanocellulose; nanocomposite; lignin; syringyl; hemicellulose; non-linear; density functional theory
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Agarwal, U.P. Analysis of Cellulose and Lignocellulose Materials by Raman Spectroscopy: A Review of the Current Status. Molecules 2019, 24, 1659.

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