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 AJAC  Vol.2 No.2 , May 2011
Determination of Dopamine in Presence of Uric Acid at Poly (Eriochrome Black t) Film Modified Graphite Pencil Electrode
Abstract: A simple commercial graphite pencil electrode was used to investigate the electrochemical oxidation of dopamine. The electropolymerised film of eriochrome black t was prepared on the surface of graphite pencil electrode by using cyclic voltammetry technique. The prepared electrode exhibits an excellent electrocatalytical activity towards the determination of dopamine. The effects of concentration, pH and scan rate were investigated. Simultaneous detection of dopamine and uric acid was investigated by using both cyclic voltammetric and differential pulse voltammetry technique. The modified electrode was also used for the detection of dopamine in injection.
Cite this paper: nullU. Chandra, B. Swamy, O. Gilbert, S. Reddy and B. Sherigara, "Determination of Dopamine in Presence of Uric Acid at Poly (Eriochrome Black t) Film Modified Graphite Pencil Electrode," American Journal of Analytical Chemistry, Vol. 2 No. 2, 2011, pp. 262-269. doi: 10.4236/ajac.2011.22032.
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