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The nickel(II) complex of a deoxyribonucleic acid (DNA-Ni2+) was directly electrodeposited on the surface of a glassy carbon electrode (GCE) to give a DNA-Ni/GCE electrode. It was investigated in terms of its capability of electro-oxidizing methanol in alkaline medium. It exhibits stable redox behavior of the Ni2+/Ni3+ couple by cyclic voltammetry. The DNA-Ni2+ membrane showed excellent electrocatalytic...
A sensor for methanol was fabricated by incorporating the antibiotic cefixime (CEF) along with Ni(II) ion into a chitosan membrane matrix. Sensing is based on the electrocatalytic effect that the complex membrane exerts on the electro-oxidation of methanol. The resulting CEF-Ni(II)/chitosan glassy carbon (GC) electrode had a good electrocatalytic activity to the electro-oxidation of methanol in alkaline...
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