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Issue 6, 2011
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Plaster-trodes for electro-analytical sensing viaelectrodeposition with electro-catalytic metals

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Abstract

We demonstrate that commercially available plasters (band aids), usually used for wound healing, can be electrolytically modified with a range of electro-catalytic metals for analytical sensing purposes. These ‘Plaster-trodes’ consist of a mesh type surface which have star-shaped type microelectrodes of ∼150 micron radius in a hexagonal pattern which are separated from its nearest neighbours by ∼1250 microns with interlinking connections between each microelectrode which are generally electrochemically active resulting in micro-band-type connections. Proof-of-concept is shown where the Plaster-trode is electrolytically modified with palladium for the sensing of hydrazine and nickel for the direct oxidation of ethanol. Given the low cost of the Plaster-trode which can be readily modified with electro-catalytic metals, we expect this new electrode to be widely utilised in electro-analysis.

Graphical abstract: Plaster-trodes for electro-analytical sensing viaelectrodeposition with electro-catalytic metals

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Article information


Submitted
13 Aug 2010
Accepted
07 Dec 2010
First published
26 Jan 2011

Analyst, 2011,136, 1153-1156
Article type
Paper

Plaster-trodes for electro-analytical sensing viaelectrodeposition with electro-catalytic metals

N. A. Choudhry and C. E. Banks, Analyst, 2011, 136, 1153
DOI: 10.1039/C0AN00634C

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