Study of the Electrochemical Behavior of Histamine Using a Nafion®-Copper(II) Hexacyanoferrate Film-Modified Electrode.

被引：0

作者：

Castro, Suely S. L. ^{[1
]}

de Oliveira, Marcelo F. ^{[2
]}

Stradiotto, Nelson R. ^{[3
]}

机构：

[1] FANAT UERN, Dept Quim, BR-59600010 Mossoro, RN, Brazil

[2] Univ Sao Paulo, Fac Filosofia Ciencias & Letras Ribeirao Preto, Dept Quim, BR-14040901 Ribeirao Preto, SP, Brazil

[3] UNESP, Inst Quim, Dept Quim Analit, BR-14800900 Araraquara, SP, Brazil

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2010年 / 5卷 / 10期

基金：

巴西圣保罗研究基金会;

关键词：

copper(II) hexacyanoferrate; histamine; voltammetry; Nafion; glassy carbon electrode; BIOGENIC-AMINES; RECEPTORS; ACID;

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A study on the electrochemical behavior of histamine species in aqueous medium is described. A glassy carbon electrode chemically modified with copper(II) hexacyanoferrate (CuHCFe) film and covered with Nafion (R) film was employed. The interaction between the analyte and the CuHCFe film can be demonstrated by a decrease in both the cathodic and anodic peak currents at 0.68V (vs. Ag/AgCl), attributed to the film and the appearance of new peak current at 0.47V. Cyclic voltammetric parameters obtained for histamine indicate the formation of stable complex between histamine adsorbed at the electrode surface. The dependence of peak currents on the concentration of the analyte is not linear in the employed work range, indicating the presence of a coupled chemical reaction in the electrodic process.

引用

页码：1447 / 1456

页数：10

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