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An enzymatic glucose detection sensor using ZnO nanostructure

Published online by Cambridge University Press:  04 February 2016

Mohammed Marie ,
Sanghamitra Mandal  and
Omar Manasreh
Mohammed Marie*
Affiliation:
Microelectronics and Photonics graduate program, University of Arkansas, Fayetteville, AR 72701, U.S.A.
Sanghamitra Mandal
Affiliation:
Department of Electrical Engineering, University of Arkansas, Fayetteville, AR 72701, U.S.A.
Omar Manasreh
Affiliation:
Department of Electrical Engineering, University of Arkansas, Fayetteville, AR 72701, U.S.A.
*
*(Email: msmarie@uark.edu)

Abstract:

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Glucose sensor based on ITO/ZnO NRs/GOx/nafion is fabricated and tested under different glucose concentrations. Hydrothermal growth method along with sol-gel technique is used to grow high quality ZnO nanorods that have well-alignment and high density with an acceptable aspect ratio. The as-grown of ZnO nanorods are used to fabricate a working electrode that can be used for glucose detection in blood after a modification process with GOx and nafion membrane. Annealing at 110 °C helped in improves the crystallinity of the seed layer and as a result, a high density and well alignment as-grown ZnO nanorods were obtained. High sensitivity and short response time were obtained from the fabricated device with an acceptable lower limit of detection.

Keywords

sol-gelhydrothermalnanostructure
Type
Articles
Information
MRS Advances , Volume 1 , Issue 13: Nanomaterials and Synthesis , 2016 , pp. 847 - 853
Copyright
Copyright © Materials Research Society 2016 

References

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