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  • Title: From DVD to dendritic nanostructure silver electrode for hydrogen peroxide detection.
    Author: Wen Y, Lin AJ, Chen HF, Jiao YZ, Yang HF.
    Journal: Biosens Bioelectron; 2013 Mar 15; 41():857-61. PubMed ID: 23017675.
    Abstract:
    A facile method of multi-potential step-scan has been employed to fabricate the dendritic silver nanostructures on a silver thin film based digital video disc (DVD) electrode. The morphologies of the nanostructures, the chemical composition, and the crystal structure have been characterized by field-emission scanning electron microscopy, energy-dispersed x-ray spectroscopy, and x-ray diffraction, respectively. The electrocatalytic activity of the resulting electrode toward the electro-reduction of hydrogen peroxide (H(2)O(2)) has been examined via cyclic voltammetry and amperometric analysis. The excellent linear relationship between current response and H(2)O(2) concentration is observed in the range from 5.88×10(-7) to 6.73×10(-5) mol L(-1) and the detection limit is 2×10(-7) mol L(-1) (S/N=3). The as-developed method has been employed to determine H(2)O(2) concentration in real samples.
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