期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 242, 期 -, 页码 484-491出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2016.11.019
关键词
Electrochemical; Non-enzymatic; Glucose sensor; HO-BiONO3 nanocomposites
资金
- National Natural Science Foundation of China [21375044, 51106061, 21205045, 21405055]
- Natural Science Foundation of Jiangsu Province [BK20131211, BK20131214, BK20131215]
- Natural Science Foundation of Jiangsu Higher Education Institutions [14KJB150004]
- Jiangsu Environmental Protecting Project [2013021]
- Opening Foundation of the State Key Laboratory of Analytical Chemistry for Life Science of Nanjing University of China [SKLACLS1411]
A newly developed nonenzymatic electrochemical sensor for the determination of glucose using the HO-BiONO3 nanocomposites is demonstrated. Scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier-transformation infrared (FTIR) spectra and cyclic voltammetry (CV) are used to characterize HO-BiONO3 nanocomposites. Low cost, facile synthesis, low applied potential and enhanced catalytic response guarantee the extraordinary electrochemical performance of themodified nanomaterials. Based on its excellent electrocatalytic activity, a highly sensitive and stable amperometric glucose sensor was proposed. The sensor shows a linear range from 5.0 mu M to 2.1 mM with a high sensitivity of 8.2 x 10(2) mu AmM-1 cm(-2) and a low detection limit of 0.12 mu M. The common interferences, such as uric acid (UA), ascorbic acid (AA) and dopamine (DA), do not interfere with the detection of glucose. The proposed sensor is successfully applied to the determination of glucose in the real serum samples and shows good application potential in biological electrochemistry. (C) 2016 Elsevier B.V. All rights reserved.
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