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

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Zeinab Pourghobadi
Davood Neamatollahi

Abstract

By means of cyclic voltammetry as a diagnostic technique, the present study tried to describe behavior 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 cyclic voltammetry being at the CA/GCE showed two linear calibration ranges between 5.0 - 100 and 100 - 750 μM with a detection limit of 0.86 μM. For 6 DP replicate measurements (50 μM), R.S.D (the relative standard deviation) was 2.7 %. This method was successfully used for the determination of DP in serum samples.

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How to Cite
[1]
Z. Pourghobadi and D. Neamatollahi, “Voltammetric determination of dopamine using modified glassy carbon electrode by electrografting of catechol”, J. Serb. Chem. Soc., vol. 82, no. 9, pp. 1053–1061, Sep. 2017.
Section
Analytical Chemistry

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