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Nanomaterials 2016, 6(9), 159; doi:10.3390/nano6090159

Non-Enzymatic Glucose Biosensor Based on CuO-Decorated CeO2 Nanoparticles

Department of Materials Science, Taiyuan University of Technology, Taiyuan 030024, China
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Author to whom correspondence should be addressed.
Academic Editor: Chenzhong Li
Received: 15 July 2016 / Revised: 17 August 2016 / Accepted: 22 August 2016 / Published: 26 August 2016
(This article belongs to the Special Issue Nanostructured Biosensors 2016)
View Full-Text   |   Download PDF [7316 KB, uploaded 26 August 2016]   |  

Abstract

Copper oxide (CuO)-decorated cerium oxide (CeO2) nanoparticles were synthesized and used to detect glucose non-enzymatically. The morphological characteristics and structure of the nanoparticles were characterized through transmission electron microscopy, X-ray photoelectron spectroscopy, and X-ray diffraction. The sensor responses of electrodes to glucose were investigated via an electrochemical method. The CuO/CeO2 nanocomposite exhibited a reasonably good sensitivity of 2.77 μA mM−1cm−2, an estimated detection limit of 10 μA, and a good anti-interference ability. The sensor was also fairly stable under ambient conditions. View Full-Text
Keywords: cerium oxide; copper oxide; biosensor; glucose; nanocomposite cerium oxide; copper oxide; biosensor; glucose; nanocomposite
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Guan, P.; Li, Y.; Zhang, J.; Li, W. Non-Enzymatic Glucose Biosensor Based on CuO-Decorated CeO2 Nanoparticles. Nanomaterials 2016, 6, 159.

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