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In this present work, we developed a novel hydrogen peroxide (H2O2) biosensor fabricated using electrochemical doping to immobilize hydrogen peroxidase (HRP) in a new conducting polymer, poly(aniline-co-N-methylthionine) (PAN-PNMThH). Amperometric detection of H2O2 was evaluated by holding the PAN-PNMThH HRP electrode at −0.25V (versus saturated calomel electrode (SCE)). PAN-PNMThH showed excellent...
Poly(N-methylthionine), PNMTh, was prepared on the platinum foil using cyclic voltammetry. The pH of the monomer solution and applied oxidization potential strongly affected the polymerization rate and electroactivity of the polymer. The polymer electrosynthesized on the optimum conditions had a high electroactivity in 0.20M phosphate buffer solution containing 0.25M NaCl with pH≤11.00. This is attributed...
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