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Recent advances in ZnO nanostructure-based electrochemical sensors and biosensors

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Abstract

Nanostructured metal oxides, such as zinc oxide (ZnO), are considered as excellent materials for the fabrication of highly sensitive and selective electrochemical sensors and biosensors due to their good properties, including a high specific surface area, high catalytic efficiency, strong adsorption ability, high isoelectric point (IEP, 9.5), wide band gap (3.2 eV), biocompatibility and high electron communication features. Thus, ZnO nanostructures are widely used to fabricate efficient electrochemical sensors and biosensors for the detection of various analytes. In this review, we have discussed the synthesis of ZnO nanostructures and the advances in various ZnO nanostructure-based electrochemical sensors and biosensors for medical diagnosis, pharmaceutical analysis, food safety, and environmental pollution monitoring.

Graphical abstract: Recent advances in ZnO nanostructure-based electrochemical sensors and biosensors

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Article information


Submitted
02 Mar 2020
Accepted
18 May 2020
First published
18 May 2020

J. Mater. Chem. B, 2020, Advance Article
Article type
Review Article

Recent advances in ZnO nanostructure-based electrochemical sensors and biosensors

H. Beitollahi, S. Tajik, F. Garkani Nejad and M. Safaei, J. Mater. Chem. B, 2020, Advance Article , DOI: 10.1039/D0TB00569J

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