Construction of a non-enzymatic sensor based on the poly(o-phenylenediamine)/Ag-NPs composites for detecting glucose in blood

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Journal Article
Materials Science and Engineering C, 2017, 71 pp. 844 - 851
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© 2016 Elsevier B.V. A non-enzymatic glucose sensor, based on the silver nanoparticles (Ag-NPs)/poly (o-phenylenediamine) (PoPD) composites, is developed by the electrochemical polymerization of o-phenylenediamine and electrodeposition of silver nanoparticles on an indium tin oxide electrode. The Ag-NPs/PoPD composites are characterized by atomic force microscopy, scanning electronic microscopy and energy dispersive spectrometer. Under the optimized experimental conditions, the proposed glucose sensor demonstrates a wide linear range from 0.15 to 13 mmol L− 1 with a correlation coefficient of 0.998. The proposed glucose sensor can be used to detect glucose in blood sample with a satisfactory result. In addition, the proposed sensor presents the advantages, such as facile preparation, low cost, high sensitivity and fast response time. It also exhibits good anti-interference performance and stability.
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