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Electrochemical Properties of Biosensor with Butyl Rubber Binder  

Choi, Sei-Young (Division of Applied Sciences, Cheongju University)
Yoon, Kil-Joong (Division of Applied Sciences, Cheongju University)
Publication Information
Elastomers and Composites / v.41, no.4, 2006 , pp. 231-237 More about this Journal
Abstract
An enzyme electrode bound by butyl rubber was newly constructed for the determination of hydrogen peroxide and for the practical application as a biosensor. Then its electrochemical properties were investigated. It produced a hundreds-fold increased signal compared to the plant or animal tissue based biosensor studied previously and could be run at between $0.0{\sim}-1.00\;V$(vs. Ag/AgCl). The relationship between signal and electrode potential was linear in the experimental range of potential. It showed a detection limit of $3.0{\times}10^{-4}\;M$ and a very good linearity of Lineweaver-Burk plot giving the proof of a good enzyme immobilization. Especially, both the reproducibility of signal current due to its high sensitivity and mechanical stability presented a new possibility for the practical use of biosensor bound with butyl rubber.
Keywords
butyl rubber; biosensor; enzyme electrode; hydrogen peroxide; horseradish peroxidase;
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Times Cited By KSCI : 3  (Citation Analysis)
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