Electrochemical Stimulated Pickering Emulsion for Recycling of Enzyme in Biocatalysis

被引：72

作者：

Peng, Liao ^{[1
]}

Feng, Anchao ^{[1
]}

Liu, Senyang ^{[1
]}

Huo, Meng ^{[1
]}

Fang, Tommy ^{[1
]}

Wang, Ke ^{[1
]}

Wei, Yen ^{[1
]}

Wang, Xiaosong ^{[3
]}

Yuan, Jinying ^{[1
,2
]}

机构：

[1] Tsinghua Univ, Dept Chem, Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China

[2] Tsinghua Univ, Beijing Key Lab Emerging Organ Contaminants Contr, Beijing 100084, Peoples R China

[3] Univ Waterloo, WIN, Dept Chem, Waterloo, ON N2L 3G1, Canada

来源：

ACS APPLIED MATERIALS & INTERFACES | 2016年 / 8卷 / 43期

基金：

中国国家自然科学基金;

关键词：

biocatalysis; host-guest chemistry; electrochemical responsiveness; Pickering emulsion; polymer Self-assembly; SUPRAMOLECULAR HYDROGEL; SENSITIVE MICROGELS; PARTICLES; POLYMERS; COLLOIDOSOMES; CYCLODEXTRIN; EMULSIFIERS; INTERFACES; PH;

D O I：

10.1021/acsami.6b09920

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Potential-stimulated Pickering emulsions, using electrochemical responsive microgels as particle stabilizers, are prepared and used for biocatalysis. The microgels are constructed from cyclodextrin functionalized 8-arm poly(ethylene glycol) (8A PEG-CD) and ferrocene modified counterparts (8A PEG-Fc) via CD/Fc host guest chemistry. Taking advantage of the redox reaction of Fc, the formation and deformation of the microgels and corresponding Pickering emulsions can be reversibly stimulated by external potential, and have been used for the hydrolysis of triacetin and kinetic resolution reaction of (R,S)-1-phenylethanol catalyzed by lipases. Potential stimulated destabilization of the emulsion realizes an effective separation of the products and enzyme recycling.

引用

页码：29203 / 29207

页数：5

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