Ordered Mesoporous Carbon Functionalized with Polythionine for Electrocatalytic Application

被引：15
|
作者：
Qi, Bin [1 ]
Peng, Xiaojuan [1 ]
Fang, Jue [1 ]
Guo, Liping [1 ]
机构：
[1] NE Normal Univ, Fac Chem, Changchun 130024, Jilin, Peoples R China
来源：
ELECTROANALYSIS | 2009年 / 21卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Ordered mesoporous carbon; Polythionine; NADH; Biosensor; Electrocatalytic; MODIFIED ELECTRODES; NADH; OXIDATION; ADSORPTION; BEHAVIOR; ARRAYS; FILMS;
D O I：
10.1002/elan.200804489
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A polythionine (PTH) functionalized ordered mesoporous carbon (OMC) material (PTH/OMC) was presented. The electrochemistry kinetic characteristics of this material are investigated and compared with pure OMC. The results showed that compared with ONIC, PTH/OMC possesses a much higher electron transfer rate. For the application of this material, an electrocatalytic based NADH biosensor was constructed on glassy carbon electrode (GCE). Instead of 0.592 V on bare GCE and 0.206 V on OMC/GCE, the amperometric detection of NADH could be effectively performed on the present biosensor with operation potential be set at 0.0 V In addition, the sensor showed good reproducibility and stability.
引用
收藏
页码：875 / 880
页数：6
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