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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 10
BKCSDE 31(10)
October 20, 2010 

 
Title
Electrochemical Investigation of Animal Tissue Embedded Biosensor Bound with Ethylene-Propylene Rubber
Author
Kil Joong Yoon
Keywords
Hydrogen peroxide, Peroxidase, Enzyme electrode, Biosensor, Chicken liver
Abstract
When rubber dissolved in toluene was used as a binding material of graphite powder, the mechanical robustness of the carbon paste was guaranteed by the fast volatility of the solvent immediately after electrode construction. This characteristic of the rubber solution met qualifications for practical use of carbon paste electrodes and enabled the design of a new enzyme electrode bound with EPDM. In order to confirm whether the electrode shows quantitative electrochemical behaviors or not, its kinetic parameters, e. g. the symmetry factor (0.2), the exchange current density (3.66 μA/cm2), the capacity of the double layer (2.0 × 10-5 F), the Michaelis constant (4.39 × 10-3 M), the diffusion coefficient of substrate (2.58 × 10-12 cm2/sec), the time constant (0.018 sec) and other factors were investigated.
Page
2913 - 2917
Full Text
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