Author/Authors :
Mahanthesha, Kurangalara R Department of P.G. Studies and Research in Industrial Chemistry - Jnana Sahyadri - Kuvempu University, India , Kumara Swamy, Bahaddurghatta E Department of P.G. Studies and Research in Industrial Chemistry - Jnana Sahyadri - Kuvempu University, India , Chandra, Umesh School of Materials Science and Engineering - Jimma Institute of technology - Jimma University, Jimma, Ethiopia
Abstract :
A graphite pencil electrode was used as a working electrode in the analysis of dopamine and serotonin by voltammetric techniques. The electrochemical investigations were carried out at a graphite pencil electrode at a scan rate of 0.05 Vs-1 in a 0.2 M phosphate buffer solution. The electrochemical behavior of dopamine shows two redox pairs while the electrooxidation of serotonin shows irreversible behavior at a graphite pencil electrode at a scan rate of 0.05 Vs-1. A graphite pencil electrode shows excellent results for dopamine and serotonin when combined and acts as very good sensor for dopamine in the presence of serotonin.
Keywords :
Graphite pencil electrode , Dopamine , Serotonin , Simultaneous , Sensor
