Controlled synthesis of spinel ZnFe2O4 decorated ZnO heterostructures as peroxidase mimetics for enhanced colorimetric biosensing

Minggang Zhao; Jingyun Huang; Yu Zhou; Xinhua Pan; Haiping He; Zhizhen Ye; Xiaoqing Pan

doi:10.1039/C3CC43154A

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Controlled synthesis of spinel ZnFe₂O₄ decorated ZnO heterostructures as peroxidase mimetics for enhanced colorimetric biosensing†

Minggang Zhao,^a Jingyun Huang,*^a Yu Zhou,^a Xinhua Pan,^a Haiping He,^a Zhizhen Ye*^a and Xiaoqing Pan^b

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* Corresponding authors

^a Department of Materials Science and Engineering, and State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, Zhejiang University, Hangzhou 310027, PR China
E-mail: huangjy@zju.edu.cn, yezz@zju.edu.cn
Fax: +86-571-87952625
Tel: +86-571-87952118

^b Department of Materials Science and Engineering, University of Michigan-Ann Arbor, Ann Arbor, Michigan 48109, USA

Abstract

Controlled synthesis of spinel ZnFe₂O₄ nanoparticle-decorated ZnO nanofiber heterostructures was carried out with regularly varied particle sizes and uniform distribution. The obtained heterostructures possessed enhanced intrinsic peroxidase-like activity, and the activities regularly changed as the sizes of ZnFe₂O₄ nanoparticles varied. The heterostructures were further applied in sensitive colorimetric biosensing of urine glucose.

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Article information

DOI: https://doi.org/10.1039/C3CC43154A
Article type: Communication
Submitted: 29 Apr 2013
Accepted: 01 Jul 2013
First published: 01 Jul 2013

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Chem. Commun., 2013,49, 7656-7658

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Controlled synthesis of spinel ZnFe₂O₄ decorated ZnO heterostructures as peroxidase mimetics for enhanced colorimetric biosensing

M. Zhao, J. Huang, Y. Zhou, X. Pan, H. He, Z. Ye and X. Pan, Chem. Commun., 2013, 49, 7656 DOI: 10.1039/C3CC43154A

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Chemical Communications