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http://dx.doi.org/10.5012/jkcs.2004.48.2.151

Electrocatalytic Oxidation of NADH at Electrodes of Self-assembled Monolayers Modified with Dopamine  

Cha, Seong-Keuck (Department of Chemistry Kyungnam University)
Publication Information
Journal of the Korean Chemical Society / v.48, no.2, 2004 , pp. 151-155 More about this Journal
Abstract
The self-assembled mololayers(SAMs)were prepared with cysteine(cys) and subsequently coupled with dopamine(dopa) containing quinone functionality on the gold modified electrodes. The SAMs annealed in ethanol for 6 hours gave a better shaped cyclic voltammogram which had a 0.28 V of formal potential and same redox potential in 0.1M phosphate buffer(pH=7.10). The electrodes were employed to determine concentration of HADH with the result that calibration curve exhibited an excellent correlation(${\geq}$ 0.993) for the concentrations ranging up to 5.0${\times}10^{-4}$ M.
Keywords
Dopamine; Cysteine; Self-assembled Monolayers; NADH;
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