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Prof. Hongming Lou, Prof. J. Y. Zhu, Tian Qing Lan, Huanran Lai and Prof. Xueqing Qiu pH-Induced Lignin Surface Modification to Reduce Nonspecific Cellulase Binding and Enhance Enzymatic Saccharification of Lignocelluloses ChemSusChem 6

Version of Record online: 28 MAR 2013 | DOI: 10.1002/cssc.201200859

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Phenomenon: We investigate the mechanism of the significant enhancement in the enzymatic saccharification of lignocelluloses at an elevated pH of 5.5–6.0. An elevated pH significantly increases the lignin surface charge, which causes lignin to become more hydrophilic and facilitates the electrostatic interactions between cellulose and lignin to reduce its coordination affinity to cellulase and, consequently, the nonspecific binding of cellulase.

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