Mesoporous Silica Materials Templated with an Anionic Surfactant/Natural Polymer System for Enzyme Immobilization

被引：0

作者：

Wang, Xiliang ^{[1
]}

Xu, Yunqiang ^{[1
]}

Zhou, Guowei ^{[1
]}

Li, Tianduo ^{[1
]}

Du, Shixin ^{[1
]}

Wang, Chunfeng ^{[1
]}

机构：

[1] Shandong Prov Key Lab Fine Chem, Jinan 250353, Shandong, Peoples R China

来源：

FUNDAMENTAL OF CHEMICAL ENGINEERING, PTS 1-3 | 2011年 / 233-235卷

关键词：

Mesoporous silica; Gelatin; Enzyme immobilization; CARBON; ADSORPTION; CHITOSAN; GELATIN; LIPASE;

D O I：

10.4028/www.scientific.net/AMR.233-235.2172

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Mesoporous silica (MPS) has been synthesized by using biodegradable gelatin and anionic surfactant sodium dodecylsulphate (SDS) as a dual-template. The mesostructures of MPS were characterized by N-2 adsorption-desorption isotherms and transmission electron microscopy (TEM). The MPS was chosen as support for immobilization of porcine pancreatic lipase (PPL) by physical adsorption. The immobilized PPL possessed good thermal stability and excellent reusability solution in hydrolysis reactions of triacetin in phosphate buffer. The results also indicated that the immobilized PPL maintained about 40% of its initial activity even after being reused six times.

引用

页码：2172 / 2175

页数：4

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