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A glassy carbon electrode (GCE) has been modified by electrochemical oxidation in mild acidic media (0.1moll−1 H2SO4) and could be applied for individual and simultaneous determination of ascorbic acid (AA), dopamine (DA) and uric acid (UA). Oxidized GCE shows a single redox couple (E0′=−2.5mV) which is based on the formation functional groups during the electrochemical pretreatment process. Proposed...
A novel biosensor was fabricated by electrochemical deposition of platinum and gold nanoparticles (nanoAu) with l-Cysteine on glassy carbon electrode. It was found that the nanoAu particle size distribution range was (50–80nm), and the platinum particle size range was (200–300nm). The hybrid film could be produced on gold and transparent indium tin oxide electrodes for different kind of studies such...
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