Preparation of Magnetic Ordered Mesoporous Carbon Composite and Its Application in Direct Electrochemistry of Horseradish Peroxidase

被引：7

作者：

Zheng, Jing ^{[1
,2
]}

Xu, Jing-Li ^{[1
]}

Jin, Tang-Bo He ^{[1
]}

Wang, Jia-Ling ^{[1
]}

Zhang, Wen-Qian ^{[1
]}

Hu, Yu-Xiao ^{[1
]}

He, Pin-Gang ^{[2
]}

Fang, Yu-Zhi ^{[2
]}

机构：

[1] Shanghai Univ Engn Sci, Dept Chem Engn, Shanghai 201620, Peoples R China

[2] E China Normal Univ, Dept Chem, Shanghai 200062, Peoples R China

来源：

ELECTROANALYSIS | 2013年 / 25卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Ordered mesoporous carbon composite; Direct electrochemistry; Horseradish peroxidase; GOLD NANOPARTICLES; IONIC LIQUID; ELECTROCATALYSIS; BIOSENSOR; FILMS; IMMOBILIZATION; ADSORPTION; HEMOGLOBIN; ELECTRODE; SPHERES;

D O I：

10.1002/elan.201300220

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A novel magnetic ordered mesoporous carbon composite was prepared. Electrochemical measurements showed that the ordered mesoporous carbon composite provided an excellent matrix for the co-adsorption of horseradish peroxidase (HRP). HRP could be separated and collected by the application of a magnetic field and its direct electron-transfer could be achieved in the solution, not on the electrode thereby preventing the degradation of the enzyme. The cyclic voltammetric experimental results of HRP indicated that HRP displayed a pair of stable peaks with a formal potential of -0.306V in PBS. The resulting biosensor exhibited fast amperometric response to hydrogen peroxide.

引用

页码：2159 / 2165

页数：7

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