Voltammetric determination of dopamine using modified glassy carbon electrode by electrografting of catechol

被引：18
|
作者：
Pourghobadi, Zeinab [1 ]
Neamatollahi, Davood [2 ]
机构：
[1] Islamic Azad Univ, Dept Chem, Khorramabad Branch, Khorramabad, Iran
[2] Bu Ali Sina Univ, Dept Chem, Fac Sci, Hamadan, Iran
来源：
JOURNAL OF THE SERBIAN CHEMICAL SOCIETY | 2017年 / 82卷 / 09期
关键词：
electrografted glassy carbon electrode; dopamine; catechol; cyclic voltammetry; electrochemical sensor; ASCORBIC-ACID; ELECTROCHEMICAL DETECTION; URIC-ACID; LIQUID-CHROMATOGRAPHY; GOLD ELECTRODE; NANOPARTICLES; MEDIATOR; SENSOR;
D O I：
10.2298/JSC161219076P
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
By means of cyclic voltammetry as a diagnostic technique, the present study tried to describe the behaviour of dopamine (DP) at the bare and catechol electrografted glassy carbon electrode (CA/GCE). The results indicated that the CA/GCE exhibits high electrocatalytic activity toward DP. The DP cycling of the CA/GCE in DP showed two linear calibration ranges between 5.0-100 and 100-750 mu M with a detection limit of 0.86 mu M. For 6 DP replicate measurements (50 mu M); the relative standard deviation (RSD) was 2.7 %. This method was successfully used for the determination of DP in serum samples.
引用
收藏
页码：1053 / 1061
页数：9
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