Structural insights reveal the effective Spirulina platensis cell wall dissociation methods for multi-output recovery

被引：37

作者：

Chen, Wangsun ^{[1
,2
]}

Xu, Jingliang ^{[3
]}

Yu, Qiang ^{[1
]}

Yuan, Zhenhong ^{[1
]}

Kong, Xiaoying ^{[1
]}

Sun, Yongming ^{[1
]}

Wang, Zhongming ^{[1
]}

Zhuang, Xinshu ^{[1
]}

Zhang, Yu ^{[1
]}

Guo, Ying ^{[1
]}

机构：

[1] Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Peoples R China

[2] Univ Sci & Technol China, Nano Sci & Technol Inst, Suzhou 215123, Peoples R China

[3] Zhengzhou Univ, Zhengzhou 450001, Henan, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2020年 / 300卷

基金：

中国国家自然科学基金;

关键词：

Microalgae; pH; Ultracellular structure; Cell wall dissociation mechanism; Multi-output recovery; CHLAMYDOMONAS-REINHARDTII BIOMASS; ACID PRETREATMENT; BIOETHANOL PRODUCTION; BIOGAS PRODUCTION; ULTRASTRUCTURE; MICROALGAE; TEMPERATURE; HYDROLYSIS; BIODIESEL; STRAW;

D O I：

10.1016/j.biortech.2019.122628

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

In this work, Spirulina platensis cells harvested in the exponential and equilibrium phases with intact and broken cell walls were treated through a set of alkaline or acidic conditions including alkalis and acids, with solutions of pH 0.0-14.0. The effective Spirulina platensis cell wall dissociation methods for multi-output recovery were obtained. SEM and FTIR were applied to characterize the alkaline and acid treatment details, and Spirulina platensis cell wall dissociation mechanisms, via attacks by OH- or H+, were then proposed. Overall, this study highlights the synthesized multi-output algal product in an integrated strategy with ultracellular structural insight and is valuable for understanding the specific roles of attack ions.

引用

页数：8

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