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A novel non-enzymatic glucose sensor based on nickel (II) oxide electrospun nanofibers

Wang, Wei, Li, Zhenyu, Zheng, Wei, Dong, Bo, Li, Shangyu and Wang, Ce 2010, A novel non-enzymatic glucose sensor based on nickel (II) oxide electrospun nanofibers, Journal of Nanoscience and Nanotechnology, vol. 10, no. 11, pp. 7537-7540.

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Title A novel non-enzymatic glucose sensor based on nickel (II) oxide electrospun nanofibers
Author(s) Wang, Wei
Li, Zhenyu
Zheng, Wei
Dong, Bo
Li, Shangyu
Wang, Ce
Journal name Journal of Nanoscience and Nanotechnology
Volume number 10
Issue number 11
Start page 7537
End page 7540
Total pages 4
Publisher American Scientific Publishers
Place of publication Valencia, Calif.
Publication date 2010-11
ISSN 1533-4880
1533-4899
Keyword(s) biosensor
electrospinning
glucose detector
NiO
non-enzymatic
Summary A new enzymeless glucose sensor has been fabricated via electrospinning technology and subsequent calcination. The morphology and structure of the as-prepared nanofibers have been characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray diffraction (XRD). The electrocatalytic oxidation of glucose in alkaline medium at nickel oxide modified glassy carbon electrodes has been investigated. The modified electrodes offer excellent electrocatalytic activity toward the glucose oxidation at low positive potential (0.3 V). Glucose has been determined chronoamperometrically at the surface of NiO nanofibers modified electrode in 0.5 mM NaOH. Under the optimized condition, the calibration curve is linear in the concentration range of 2 × 10−3 mM∼1 mM, and 1 mM∼9.5 mM. The detection limit (signal-to-noise 3) and response time are 3.394 × 10−6 M and 2 s, respectively. The NiO electrospun nanofibers is easy to prepare and feasible in economy. The modified electrode is steady and can be used repeatedly, so it is reasonable to expect its broad use in non-enzymatic glucose sensor.
Language eng
Field of Research 100708 Nanomaterials
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2010, American Scientific Publishers
Persistent URL http://hdl.handle.net/10536/DRO/DU:30048237

Document type: Journal Article
Collection: Institute for Frontier Materials
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