Dissolving process of bamboo powder analyzed by FT-IR spectroscopy

被引：42

作者：

Cai, Qian ^{[1
]}

Fan, Zhaosheng ^{[2
]}

Chen, Jianbo ^{[3
]}

Guo, Wenji ^{[2
]}

Ma, Fang ^{[2
]}

Sun, Suqin ^{[2
]}

Hu, Liming ^{[1
]}

Zhou, Qun ^{[2
]}

机构：

[1] Beijing Univ Technol, Coll Life Sci & Bioengn, Beijing 100124, Peoples R China

[2] Tsinghua Univ, Minist Educ, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Dept Chem, Beijing 100084, Peoples R China

[3] Beijing Univ Chinese Med, Sch Life Sci, Beijing 100029, Peoples R China

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2018年 / 1171卷

基金：

中国国家自然科学基金;

关键词：

Bamboo powder; Ionic liquid; FT-IR; PCA; PLMW2DCOS; INFRARED CORRELATION SPECTROSCOPY; IONIC LIQUIDS; 1-N-BUTYL-3-METHYLIMIDAZOLIUM CHLORIDE; CELLULOSE; BIOMASS; DISSOLUTION; LIGNOCELLULOSE; WOOD; C-13;

D O I：

10.1016/j.molstruc.2018.06.066

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Bamboo powder and its dissolution process in ionic liquids were analyzed according to Fourier Transform Infrared Spectroscopy (FT-IR) coupled with two-dimensional correlation spectroscopy and chemometrics. Second derivative spectroscopy was applied to enhance the spectra resolution, obtaining more molecular vibration information. After executing the principal component analysis (PCA) on ATR-FTIR spectra of undissolved bamboo powder residue, we obtained a three-staged dissolution process model. In addition, the conclusion that cellulose/hemicellulose dissolving prior to lignin was summarized through the PCA loading spectrum. Point-line moving window two dimensional correlation spectroscopy (PL-MW2DCOS) furtherly unveiled the dissolution details. This work provided us a clear dissolution process of biomass using a rapid, label-free and easy-operation method. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：639 / 643

页数：5

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