A Determination Method of Dopamine or Epinephrine by Conducting Polymers : The Electrochemical Impedance Spectroscopy

Authors : Hacer DOLAS, Burcu SAYİNLİ, Asezai SARAC

Pages : 89-106

Doi:10.30931/jetas.292636

View : 35 | Download : 10

Publication Date : 2016-08-09

Article Type : Research Paper

Abstract :In this study, it was reported that the preparation and characterization of capacitive sensor based on conducting polymer for detection of dopamine and/or epinephrine by impedimetric method, electrochemical impedance spectroscopy. Pt electrodes coated with polyinsert ignore into journalissuearticles values(Cz); and polyinsert ignore into journalissuearticles values(In); in different electrolyte solution by electropolymerization. NaClO4-ACN electrolyte solution was selected as suitable electrolyte solution, due to high capacitive behavior. The usage of EIS technique for the determination of DA or EP in presence of AA was investigated. For this reason, the measurement EIS of prepared polymer coated electrodes in suitable conditions was performed by immersed in different concentrations insert ignore into journalissuearticles values(from 10 -9 M to 10 -6 M); of DA or EP in presence of 10 -4 M of AA at pH 7. It was found that Polyinsert ignore into journalissuearticles values(Cz); coated electrode was a more convenient biosensor for determination of EP by EIS method than Polyinsert ignore into journalissuearticles values(In); and for DA determination. Also, the EIS method was able to use as the readout of Polyinsert ignore into journalissuearticles values(Cz); coated electrode as a biosensor for the determination of EP.   
Keywords : Electro polymerization, Determination, Dopamine, Epinephrine and Impedance

ORIGINAL ARTICLE URL