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http://dx.doi.org/10.5229/JKES.2008.11.3.170

The Electrochemical Studies of Two Osmium Redox Polymer Films and Their Application for Multi-Detecting Biosensor  

Tae, Gun-Sik (Department of Biological Science, Dankook University)
Kim, Jin-Gu (Department of Chemistry, Dankook University)
Choi, Young-Bong (Department of Chemistry, Dankook University)
Kim, Hyug-Han (Department of Chemistry, Dankook University)
Publication Information
Journal of the Korean Electrochemical Society / v.11, no.3, 2008 , pp. 170-175 More about this Journal
Abstract
Screen printed carbon electrodes (SPEs) modified with co-immobilized osmium-based redox polymers can be used to apply multi-detecting biosensors. In this study, we report our initial studies of multi-detecting biosensor concepts using two osmium-based redox polymers for horseradish peroxidase-mediated reduction of ${H_2}{O_2}$ coupled to glucose oxidase-mediated oxidation of glucose. We target to synthesize two osmium redox polymers of potentials use, a chloride-containing redox polymer ($E^{O + 0.520 vs. Ag/AgCl) and a methoxy-containing redox polymer $E^{O + 0.150 vs. Ag/AgCl). The former show good catalytic electrical signals with horseradish peroxidase and the latter's redox polymer is to be an effective redox mediator of glucose oxidation by glucose oxidase.
Keywords
Biosensor; Redox Polymer;
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