Performance of glucose electrooxidation on Ni–Co composition dispersed on the poly(isonicotinic acid) (SDS) film |
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Authors: | Reza Ojani Jahan-Bakhsh Raoof Banafsheh Norouzi |
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Institution: | (1) Electroanalytical Chemistry Research Laboratory, Faculty of Chemistry, Mazandaran University, Babolsar, Iran;(2) Department of Chemistry, Faculty of Industry and Engineering, Islamic Azad University Ghaemshahr Branch, Ghaemshahr, Iran |
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Abstract: | Poly(isonicotinic acid) (PINA) film was electrosynthesized on carbon paste electrode (CPE) by using the repeated potential
cycling technique in aqueous solution containing isonicotinic acid (INA), sulfuric acid and sodium dodecyl sulfate (SDS).
Then, nickel and cobalt ions were incorporated by immersion of CPE/PINA prepared in the presence of SDS (CPE/PINA(SDS)) in
a solution with different proportions of nickel chloride and cobalt chloride. The electrochemical characterization of mixed
hydroxides containing cobalt and nickel at the surface of the modified electrode is presented. The modified electrodes were
successfully used in the electrocatalytic oxidation of glucose. Finally, the electrocatalytic oxidation peak currents of glucose
exhibited a good linear dependence on concentration, and its quantification can be done easily. The good analytical performance,
low cost and straightforward preparation method make this novel electrode material promising for the development of an effective
glucose sensor. |
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