An amperometric biosensor using Prussian blue modified electrode

被引：1
|
作者：
Yi, In-Je [1 ]
Kim, Ju-Ho
Kang, C. J.
Park, Jaehyun
Kim, Yong-Sang
机构：
[1] Myongji Univ, Dept Elect Engn, Gyeonggido 449728, South Korea
[2] Myongji Univ, Dept Phys, Gyeonggido 449728, South Korea
来源：
ECO-MATERIALS PROCESSING & DESIGN VII | 2006年 / 510-511卷
关键词：
Prussian blue; capillary electrophoresis; electrochemical detector;
D O I：
10.4028/www.scientific.net/MSF.510-511.746
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The performances of an electrochemical detector (ECD) using Prussian blue (PB) modified indium tin oxide (ITO) electrode were investigated. PB is one of the well-known catalytic materials. PB offers electrocatalytic reaction between electrode and analytes (dopamine and catechol). We optimized the PB film thickness that would catalyze redox reaction efficiently using surface topography from atomic force microscopy (AFM). Capillary electrophoresis (CE) and amperometric method were used to separate and detect the testing analytes. The results showed that the PB film could serve as an excellent mediator, which catalyzes electron transfer. We measured electropherograms for the testing analytes consisting of catechol and dopamine with their concentrations of 100 wM and 10 mu M, respectively.
引用
收藏
页码：746 / 749
页数：4
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