Gold nanoparticles/polyaniline Langmuir-Blodgett Film modified glassy carbon electrode as voltammetric sensor for detection of epinephrine and uric acid

被引：37
|
作者：
Zou, Lina [1 ]
Li, Yinfeng [1 ,2 ]
Cao, Shaokui [1 ]
Ye, Baoxian [1 ]
机构：
[1] Zhengzhou Univ, Coll Chem & Mol Engn, Zhengzhou 450001, Peoples R China
[2] Henan Univ Urban Construct, Sch Chem & Mat Engn, Pingdingshan 467036, Peoples R China
来源：
TALANTA | 2013年 / 117卷
基金：
中国国家自然科学基金;
关键词：
Gold nanoparticles; Langmuir-Blodgett Film; Polyaniline; Voltammetric sensor; Epinephrine; Uric acid; ASCORBIC-ACID; NANOCOMPOSITE; FABRICATION;
D O I：
10.1016/j.talanta.2013.09.035
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Gold nanoparticles/polyaniline nanocomposite thin film was deposited onto the surface of glassy carbon electrode(GCE) by Langmuir-Blodgett(LB) technology to fabricate a new voltammetric sensor (GNPs/PAn-LB GCE) for epinephrine(EP) and uric acid(UA) detection. Cyclic voltammetry, electrochemical impedance spectroscopy and atomic force microscopy were employed to study the characteristic of the GNPs/PAn-LB film. Electrochemical behaviors of EP and UA at the modified electrode were investigated in pH 6.6 phosphate buffer solutions. A sensitive electroanalytical method for simultaneous determination of EP and UA was proposed with high precision and good reproducibility. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：333 / 337
页数：5
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