Journal
ELECTROANALYSIS
Volume 17, Issue 8, Pages 662-667Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.200403098
Keywords
glucose oxidation; mercury adatom-modified Au electrode; electrocatalysis; aldopentose; aldohexose
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The electrochemical behavior of aldohexose and aldopentose monosaccharides was examined on Hg adatom-modified and bare An electrodes in alkaline aqueous solution using cyclic voltammetry. For the bare An electrode, the oxidation peak currents are dependent on hydroxyl group configuration on the monosaccharides. On the other hand, for the Hg adatom-modified An electrode, the actual oxidation peak currents were similar for all monosaccharides other than glucose. Dispersion of Hg adatoms on the An surface led to diminishment of configurational differences between monosaccharides as well as enhancement of oxidation peak current.
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