Electrochemical detection of ascorbic acid and serotonin at a boron-doped diamond electrode modified with poly(N,N-dimethylaniline)

被引：15
|
作者：
Park, Soo-Gil
Park, Jong-Eun
Cho, Eun-In
Hwang, Jin-Hee
Ohsaka, Takeo
机构：
[1] Chungbuk Natl Univ, Dept Ind & Engn Chem, Cheongju 361763, Chungbuk, South Korea
[2] Waseda Univ, Grad Sch Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan
[3] Tokyo Inst Technol, Dept Elect Chem, Midori Ku, Yokohama, Kanagawa 2268502, Japan
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2006年 / 32卷 / 5-6期
关键词：
electropolymerization; boron-doped diamond electrode; ascorbic acid; serotonin; square wave voltammetry;
D O I：
10.1163/156856706777973736
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The electrochemical oxidation of ascorbic acid (AA) and serotonin (5-HT) at a boron-doped diamond (BDD) electrode modified with poly(N,N-dimethylaniline) (PDMA) has been studied. The oxidation potentials of 5-HT and AA overlapped after mixing of the two chemicals, due to interference of AA at the bare BDD electrode. However, after modifying the BDD electrode with a cationic polymer (PDMA), the oxidation peaks of 5-HT and AA were separated. PDMA-coated BDD electrodes can be used for simultaneous detection of these species.
引用
收藏
页码：595 / 601
页数：7
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