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Issue 5, 2010
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The development and characterisation of square microfabricated electrode systems

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Abstract

This paper outlines the systematic production and characterisation of biocompatible square microfabricated electrode systems for electroanalysis. In contrast to previous results, a combination of simulation, theoretical analysis and measurement has established that there is an enhanced current density for a microsquare electrode under mass transport limiting current conditions when compared to a microdisc of equivalent size. This is not simply due to a difference in the effective areas of the electrodes as the difference is frequency (diffusion layer thickness) dependent; it can instead be attributed to the effects of enhanced diffusion at the corners of the microsquares on the growing diffusion layer.

Graphical abstract: The development and characterisation of square microfabricated electrode systems

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Publication details

The article was received on 27 Nov 2009, accepted on 26 Jan 2010 and first published on 16 Feb 2010


Article type: Paper
DOI: 10.1039/B924342A
Analyst, 2010,135, 1058-1065

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    The development and characterisation of square microfabricated electrode systems

    H. L. Woodvine, J. G. Terry, A. J. Walton and A. R. Mount, Analyst, 2010, 135, 1058
    DOI: 10.1039/B924342A

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