Electrocatalytic Response of Dopamine at Mannitol and Triton X-100 Modified Carbon Paste Electrode: A Cyclic Voltammetric Study

被引：0
|
作者：
Manjunatha, J. G. [1 ]
Swamy, B. E. Kumara [1 ]
Mamatha, G. P. [2 ]
Gilbert, Ongera [1 ]
Shreenivas, M. T. [1 ]
Sherigara, B. S. [1 ]
机构：
[1] Kuvempu Univ, Dept PG Studies & Res Ind Chem, Shankaraghatta, Karnataka, India
[2] AVK Coll Women Davanagere, Dept Chem, Davanagere, Karnataka, India
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2009年 / 4卷 / 12期
关键词：
Dopamine; Mannitol; TX-100; Carbon paste electrode; Cyclic Voltammetry; ASCORBIC-ACID; ELECTROCHEMICAL DETERMINATION; ELECTROANALYSIS; OXIDATION; BEHAVIOR;
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：
Present work describes the procedure that has been optimized for the determination of dopamine at Mannitol and TX-100 modified carbon paste electrode by cyclic voltammetric technique is 0.2 M acetate buffer solution at pH 6.0. The carbon paste electrode (CPE) modified with Mannitol and TX-100 showed very good sensitivity for dopamine. The effect of scan rate, concentration, pH variation was studied. Increase of dopamine concentration shows linear increase in redox peak currents. The preparation of the modified electrode was easy and renewed by simple polishing gives very good reproducibility, high stability in its voltammetric response and low detection limit for DA.
引用
收藏
页码：1706 / 1718
页数：13
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