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
收藏
页码：2159 / 2165
页数：7
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