Journal
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
Volume 35, Issue -, Pages 420-425Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.msec.2013.11.030
Keywords
Electrochemical sensor; Chronoamperometry; P4VP-co-PAN; Fe2O3-NPs; Glucose; Blood
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Funding
- National Natural Science Foundation of China [20975091, 21173183, 21106124, 21375116]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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An electrochemical sensor based on a copolymer poly(4-vinylpyridine)-co-poly(acrylonitrile), P4VP-co-PAN, and Fe2O3 nanoparticle film modified glassy carbon electrode was developed for the determination of glucose. We studied the response of glucose with the proposed electrode, and determined the optimum conditions by changing the potential, pH and P4VP-co-PAN. The current response measurements were performed in PBS (c = 0.1 M) with a potential of 0.7 V. The current response of this glucose sensor showed a linear relationship with the concentration in the range of 2.5 mu M-0.58 mM (r = 0.997). The experimental results demonstrate that this method has such merits as simple operation, low cost, high sensitivity, long term stability and good reproducibility, with satisfactory results. (C) 2013 Elsevier B.V. All rights reserved.
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