期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 735, 期 -, 页码 19-23出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2014.09.026
关键词
Au-Ag nanotubes; Chitosan; Hydrogen peroxide; Nonenzymatic electrochemical sensor
资金
- National Natural Science Foundation of China [30800247, 20805043]
In this paper, a nonenzymatic hydrogen peroxide sensor based on Au-Ag nanotubes and chitosan film has been fabricated. The Au-Ag nanotubes were characterized by X-ray diffraction, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. The electrochemical behaviors of the biosensor were characterized by cyclic voltammetry. Under the optimal conditions, a wider linear range (0.008-1.3 mM) and a low detection limit (3.18 mu M) were achieved based on the Au-Ag nanotubes for accurate detection of H2O2. In addition, this sensor also exhibited good selectivity and reproducibility. (C) 2014 Elsevier B.V. All rights reserved.
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