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Nanomechanics of Lignin–Cellulase Interactions in Aqueous Solutions by Peitao Zheng; Li Xiang; Jian Chang; Qiaojia Lin; Lei Xie; Tu Lan; Jing Liu; Zhenggang Gong; Tian Tang; Li Shuai; Xiaolin Luo; Nairong Chen; Hongbo Zeng is a Materials Science article available to read on EtoBox.

What is Nanomechanics of Lignin–Cellulase Interactions in Aqueous Solutions about?

Efficient enzymatic hydrolysis of cellulose in lignocellulose to glucose is one of the most critical steps for the production of biofuels. The nonproductive adsorption of lignin to expensive cellulase highly impedes the development of biorefinery. Understanding the lignin-cellulase interaction mechanism serves as a vital basis for reducing such nonproductive adsorption in their practical applications. Yet, limited report is available on the direct characterization of the lignin-cellulase interactions. Herein, for the first time, the nanomechanics of the biomacromolecules including lignin, cellulase, and cellulose were systematically investigated by using a surface force apparatus (SFA) at the nanoscale in aqueous solutions. Interestingly, a cation-π interaction was discovered and demonstrated between lignin and cellulase molecules through SFA measurements with the addition of different cations (Na, K, etc.). The complementary adsorption tests and theoretical calculations further confirmed the validity of the force measurement results. This finding further inspired the investigation of the interaction between lignin and other noncatalytic-hydrolysis protein (i.e., soy protein). Soy

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Author

Peitao Zheng; Li Xiang; Jian Chang; Qiaojia Lin; Lei Xie; Tu Lan; Jing Liu; Zhenggang Gong; Tian Tang; Li Shuai; Xiaolin Luo; Nairong Chen; Hongbo Zeng

Publisher

American Chemical Society (ACS)

Published

2021

Language

EN

Field

Materials Science (Physical Sciences)