期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 18, 期 9, 页码 6394-6398出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cp07088k
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资金
- BioEnergy Science Center, a U.S. Department of Energy (DOE) Bioenergy Research Center - Office of Biological and Environmental Research in the DOE Office of Science
- Office of Science of the U.S. Department of Energy [DE-AC05-00OR22725]
Using temperature replica-exchange molecular dynamics, we characterize a globule-to-coil transition for a softwood-like lignin biopolymer in a tetrahydrofuran (THF)-water cosolvent system at temperatures at which the cosolvent undergoes a de-mixing transition. The lignin is found to be in a coil state, similar to that in the high-temperature miscible region. Analysis of the transition kinetics indicates that THF acts in a surfactant-like fashion. The present study thus suggests that THF-water based pretreatments may efficiently remove lignin from biomass even at relatively low (non-water boiling) temperatures.
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