木质素
解聚
化学
质谱法
生物高聚物
生物净化
串联质谱法
有机化学
生物炼制
聚合物
色谱法
原材料
作者
Xiaofeng Dong,Heather B. Mayes,Kris Morreel,Rui Katahira,Yanding Li,John Ralph,Brenna A. Black,Gregg T. Beckham
出处
期刊:Chemsuschem
[Wiley]
日期:2022-11-16
卷期号:16 (1)
被引量:3
标识
DOI:10.1002/cssc.202201441
摘要
Lignin is the largest source of bio-based aromatic compounds in nature, and its valorization is essential to the sustainability of lignocellulosic biorefining. Characterizing lignin-derived compounds remains challenging due to the heterogeneity of this biopolymer. Tandem mass spectrometry is a promising tool for lignin structural analytics, as fragmentation patterns of model compounds can be extrapolated to identify characteristic moieties in complex samples. This work extended previous resonance excitation-type collision-induced dissociation (CID) methods that identified lignin oligomers containing β-O-4, β-5, and β-β bonds, to also identify characteristics of 5-5, β-1, and 4-O-5 dimers, enabled by quadrupole time-of-flight (QTOF) CID with energy-resolved mass spectrometry (ERMS). Overall, QTOF-ERMS offers in-depth structural information and could ultimately contribute to tools for high-throughput lignin dimer identification.
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