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Issue 30, 2012
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Single layer Prussian blue grid as a versatile enzyme trap for low-potential biosensors

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Abstract

A single layer Prussian blue (PB) grid was constructed on a Pt substrate using a self-assembly approach with nanosphere lithography in order to create a matrix for the uniform and ordered immobilization of proteins. Enzymes were captured in the cavities of the PB grid with the aid of an alkoxy silane linker, which enabled strong interaction between the silane's alkoxy groups and Pt. Using a low applied potential of −0.1 V vs. Ag/AgCl the as-prepared biosensors exhibited excellent performance in the detection of glucose, lactate and glutamate, indicating the versatile application of this specific PB architecture in the area of biosensors.

Graphical abstract: Single layer Prussian blue grid as a versatile enzyme trap for low-potential biosensors

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Supplementary files

Article information


Submitted
12 Mar 2012
Accepted
29 May 2012
First published
11 Jun 2012

J. Mater. Chem., 2012,22, 14874-14879
Article type
Paper

Single layer Prussian blue grid as a versatile enzyme trap for low-potential biosensors

Z. Chu, L. Shi, Y. Zhang, W. Jin, S. Warren, D. Ward and E. Dempsey, J. Mater. Chem., 2012, 22, 14874
DOI: 10.1039/C2JM33083K

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