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Synthesis and Characterization of Au/POSS Composite Powder for Bio-Fuel Cells and Antibiotic Applications

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Abstract:

Au(0)/POSS (Octa(aminophenyl) Silsesquioxane) composite was synthesized by chemical reduction of auric acid using glycerol as reducing agent. The morphology and physicochemical properties of Au/POSS nanocomposite were characterized by NMR, FT-IR and TEM spectroscopy. The Au/POSS nanocomposite electrode was used for the oxidation of glucose. The results indicate that the Au/POSS nanocomposite film was highly sensitive and suitable for glucose in 0.5 M NaOH. The presence of ascorbic acid in analyte gave no error in detection of glucose for measuring 5 mM glucose, which is the normal physiological level in blood. Further, Au/POSS nanocomposite showed an enhanced antibacterial activity even higher than standard ciprofloxacin. Hence, Au/POSS nanocomposite acts as a strongantibiocides as well as selective electrodes towards glucose oxidations.

Keywords: ANTIMICROBIAL ACTIVITIES; CHEMICAL SENSORS; GLUCOSE OXIDATION; GOLD NANOPARTICLES; OCTA(AMINOPHENYL)SILSESQUIOXANE

Document Type: Short Communication

DOI: http://dx.doi.org/10.1166/jnn.2009.1230

Publication date: October 1, 2009

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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