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http://dx.doi.org/10.5806/AST.2009.22.5.355

A rapid and easy fabrication of plant-tissue biosensor using rubber binder and its practicability test  

Lee, Beom-Gyu (Department of Chemistry, Chosun University)
Rhyu, Keun-Bae (Division of Applied Sciences, Cheongju University)
Yoon, Kil-Joong (Division of Applied Sciences, Cheongju University)
Publication Information
Analytical Science and Technology / v.22, no.5, 2009 , pp. 355-359 More about this Journal
Abstract
An enzyme electrode bound by rubber solution was newly constructed and the test of its practicability were carried out. The binder of carbon powder was styrene-butadiene rubber dissolved in toluene and enzyme source was ground tissue of cabbage root. Volatilization of the solvent made the electrode material possess a mechanical robustness and a fast signal appearance. The electrode showed electrochemically irreversible characteristics and a powerful catalytic power (detection limit=$5.0{\times}10^{-5}M$, S/N=2). The double reciprocal plot of signal current and substrate concentration was ideally linear and the symmetry factor and exchange current density of the electrode used in this work were 0.35 and $4.93{\times}10^{-5}Acm^{-2}$ respectively.
Keywords
styrene-butadiene rubber; biosensor; peroxide; peroxidase; enzyme electrode;
Citations & Related Records
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