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  • Title: Direct electrodeposition of gold nanoparticles on indium tin oxide surface and its application.
    Author: Ma Y, Di J, Yan X, Zhao M, Lu Z, Tu Y.
    Journal: Biosens Bioelectron; 2009 Jan 01; 24(5):1480-3. PubMed ID: 19038539.
    Abstract:
    Gold nanoparticles (GNPs) were direct deposited onto the surface of indium tin oxide (ITO) electrode surface through cyclic voltammetric method. The GNPs-modified ITO electrodes were characterized by means of scanning electron microscopy (SEM), UV-vis spectroscopy and electrochemical methods. The quasi-spherical GNPs directly attached on the electrode surface with a relatively small size and a quite narrow distribution. Cyclic voltammetry and linear sweep voltammetry of glucose on the modified electrodes were performed. The GNPs-modified ITO electrodes showed high electrocatalytic reactivity towards glucose oxidation in 0.01 M NaOH and 0.05 M phosphate buffer solution (pH 7.4). The GNPs-modified transducer was successfully used for the amperometric sensing of glucose at alkaline and neutral solutions.
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