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Issue 8, 2016
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Rapid prototyping of electrochemical lateral flow devices: stencilled electrodes

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Abstract

A straightforward and very cost effective method is proposed to prototype electrodes using pressure sensitive adhesives (PSA) and a simple cutting technique. Two cutting methods, namely blade cutting and CO2 laser ablation, are compared and their respective merits are discussed. The proposed method consists of turning the protective liner on the adhesive into a stencil to apply screen-printing pastes. After the electrodes have been printed, the liner is removed and the PSA can be used as a backing material for standard lateral flow membranes. We present the fabrication of band electrodes down to 250 μm wide, and their characterization using microscopy techniques and cyclic voltammetry. The prototyping approach presented here facilitates the development of new electrochemical devices even if very limited fabrication resources are available. Here we demonstrate the fabrication of a simple lateral-flow device capable of determining glucose in blood. The prototyping approach presented here is highly suitable for the development of novel electroanalytical tools.

Graphical abstract: Rapid prototyping of electrochemical lateral flow devices: stencilled electrodes

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Publication details

The article was received on 24 Nov 2015, accepted on 07 Mar 2016 and first published on 07 Mar 2016


Article type: Paper
DOI: 10.1039/C5AN02424B
Analyst, 2016,141, 2515-2522
  • Open access: Creative Commons BY license
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    Rapid prototyping of electrochemical lateral flow devices: stencilled electrodes

    M. Aller Pellitero, M. Kitsara, F. Eibensteiner and F. J. del Campo, Analyst, 2016, 141, 2515
    DOI: 10.1039/C5AN02424B

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