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A composite film containing heteropolyanion was fabricated by attaching the Keggin-type phosphomolybdic PMo 12 O 403- on l-cysteine self-assembled monolayers film modified gold electrode by electrostatic adsorption. ATR-FTIR, SEM, AC impedance and cyclic voltammetry, chronocoulometry were used for the characterization and electrochemical properties of the composite...
The electrochemical behaviors of epinephrine (EP) at the l-cysteine self-assembled monolayers modified gold electrode have been studied. The modified electrode shows an excellent electrocatalytic activity for the oxidation of EP and accelerates electron transfer rate. The diffusion coefficient (D) is 1.48x10 -7 cm 2 s -1 . FTIR has shown that cysteine can bind onto...
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