Electrochemical properties of Nile Blue covalently immobilized on self-assembled thiol-monolayer modified gold electrodes

被引：18
|
作者：
Liu, HH
Lu, JL
Zhang, M
Pang, DW [1 ]
机构：
[1] Wuhan Univ, Dept Chem, Wuhan 430072, Peoples R China
[2] Xiangfan Univ, Dept Chem, Xiangfan 441053, Peoples R China
[3] Changde Normal Univ, Dept Chem, Changde 415000, Peoples R China
来源：
ANALYTICAL SCIENCES | 2002年 / 18卷 / 12期
关键词：
D O I：
10.2116/analsci.18.1339
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A monolayer of Nile Blue (NB) has been covalently immobilized on the self-assembled thiol-monolayer modified gold electrode. Cyclic voltammograms indicated a stable and reverse redox process of NB bonded on the electrode surface. The mechanisms of redox process coupling with proton transfer were proposed. The NB-modified electrode showed excellent electrocatalytic activity toward Nicotinamide adenine dinucleotide (NADH) oxidation and horseradish peroxidase (HRP) reduction. A hydrogen peroxide biosensor based on NB as a mediator has been demonstrated.
引用
收藏
页码：1339 / 1344
页数：6
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