生物炼制
木质素
纤维素乙醇
生物高聚物
生物燃料
商品化学品
生物能源
木质纤维素生物量
制浆造纸工业
生化工程
生物转化
生物量(生态学)
纤维素
生物技术
有机化学
化学
聚合物
工程类
生物
催化作用
发酵
农学
作者
Arthur J. Ragauskas,Gregg T. Beckham,Mary J. Biddy,Richard P. Chandra,Fang Chen,Mark F. Davis,Brian H. Davison,Richard A. Dixon,Paul Gilna,Martin Keller,Paul Langan,Amit K. Naskar,Jack N. Saddler,Timothy J. Tschaplinski,Gerald A. Tuskan,Charles E. Wyman
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2014-05-16
卷期号:344 (6185)
被引量:2963
标识
DOI:10.1126/science.1246843
摘要
Research and development activities directed toward commercial production of cellulosic ethanol have created the opportunity to dramatically increase the transformation of lignin to value-added products. Here, we highlight recent advances in this lignin valorization effort. Discovery of genetic variants in native populations of bioenergy crops and direct manipulation of biosynthesis pathways have produced lignin feedstocks with favorable properties for recovery and downstream conversion. Advances in analytical chemistry and computational modeling detail the structure of the modified lignin and direct bioengineering strategies for future targeted properties. Refinement of biomass pretreatment technologies has further facilitated lignin recovery, and this coupled with genetic engineering will enable new uses for this biopolymer, including low-cost carbon fibers, engineered plastics and thermoplastic elastomers, polymeric foams, fungible fuels, and commodity chemicals.
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