Electroanalysis of tetracycline using nickel-implanted boron-doped diamond thin film electrode applied to flow injection system

被引：11

作者：

Treetepvijit, S

Chuanuwatanakul, S

Einaga, Y

Sato, R

Chailapakul, O ^{[1
]}

机构：

[1] Chulalongkorn Univ, Fac Sci, Dept Chem, Bangkok 10330, Thailand

[2] Keio Univ, Fac Sci & Technol, Dept Chem, Yokohama, Kanagawa 2238522, Japan

来源：

ANALYTICAL SCIENCES | 2005年 / 21卷 / 05期

关键词：

D O I：

10.2116/analsci.21.531

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The electrochemical analysis of tetracycline was investigated using nickel-implanted boron-doped diamond thin film electrode by cyclic voltammetry and amperometry with a flow injection system. Cyclic voltammetry was used to study the electrochemical oxidation of tetracycline. Comparison experiments were carried out using as-deposited boron-doped diamond thin film electrode (BDD). Nickel-implanted boron-doped diamond thin film electrode (Ni-DIA) provided well-resolved oxidation irreversible cyclic voltammograms. The current signals were higher than those obtained using the as-deposited BDD electrode. Results using nickel-implanted boron-doped diamond thin film electrode in flow injection system coupled with amperometric detection are presented. The optimum potential for tetracycline was 1.55 V versus Ag/AgCl. The linear range of 1.0 to 100 mu M and the detection limit of 10 nM were obtained. In addition, the application for drug formulation was also investigated.

引用

页码：531 / 535

页数：5

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