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  • Title: Nonenzymatic glucose detection by using a three-dimensionally ordered, macroporous platinum template.
    Author: Song YY, Zhang D, Gao W, Xia XH.
    Journal: Chemistry; 2005 Mar 18; 11(7):2177-82. PubMed ID: 15714534.
    Abstract:
    A three-dimensionally ordered, macroporous, inverse-opal platinum film was synthesized electrochemically by the inverted colloidal-crystal template technique. The inverse-opal film that contains platinum nanoparticles showed improved electrocatalytic activity toward glucose oxidation with respect to the directly deposited platinum; this improvement is due to the interconnected porous structure and the greatly enhanced effective surface area. In addition, the inverse-opal Pt-film electrode responds more sensitively to glucose than to common interfering species of ascorbic acid, uric acid, and p-acetamidophenol due to their different electrochemical reaction mechanisms. Results showed that the ordered macroporous materials with enhanced selectivity and sensitivity are promising for fabrication of nonenzymatic glucose biosensors.
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