Electrochemical Determination of Dopamine Using Banana-MWCNTs Modified Carbon Paste Electrode

被引：0
|
作者：
Raoof, Jahan Bakhsh [1 ]
Kiani, Abolfazl [2 ]
Ojani, Reza [1 ]
Valiollahi, Roudabeh [1 ]
机构：
[1] Univ Mazandaran, Electroanalyt Chem Res Lab, Dept Analyt Chem, Fac Chem, Babol Sar, Iran
[2] Univ Isfahan, Dept Chem, Fac Sci, Esfahan, Iran
来源：
ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY | 2011年 / 3卷 / 01期
关键词：
Multiwalled Carbon Nanotubes; Banana Tissue; Carbon Paste; Dopamine; Differential Pulse Voltammetry;
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 carbon paste electrode (CPE) modified by multiwalled carbon nanotubes (MWCNTs) and banana tissue was used for detection of dopamine (DA). The modified electrode show good selectivity toward DA in the presence of ascorbic acid (AA). The electrochemical determination of DA at the surface of modified electrode was investigated by differential pulse voltammetry (DPV). The linear curve was obtained in the range of 10-30 mu M. The detection limit (3 sigma) was 2.09 mu M for DA. Also the stability of modified electrode was investigated after 20 days, and results show that the modified has relatively good stability.
引用
收藏
页码：59 / 66
页数：8
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