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Biosensors 2018, 8(2), 53; https://doi.org/10.3390/bios8020053

Determination of the Electrochemical Area of Screen-Printed Electrochemical Sensing Platforms

1
Faculty of Science and Engineering, Manchester Metropolitan University, Manchester M1 5GD, UK
2
Manchester Fuel Cell Innovation Centre, Manchester Metropolitan University, Manchester M1 5GD, UK
*
Author to whom correspondence should be addressed.
Received: 3 April 2018 / Revised: 3 June 2018 / Accepted: 6 June 2018 / Published: 8 June 2018
(This article belongs to the Special Issue Electrochemical (Bio)sensors for Environmental and Food Analyses)
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Abstract

Screen-printed electrochemical sensing platforms, due to their scales of economy and high reproducibility, can provide a useful approach to translate laboratory-based electrochemistry into the field. An important factor when utilising screen-printed electrodes (SPEs) is the determination of their real electrochemical surface area, which allows for the benchmarking of these SPEs and is an important parameter in quality control. In this paper, we consider the use of cyclic voltammetry and chronocoulometry to allow for the determination of the real electrochemical area of screen-printed electrochemical sensing platforms, highlighting to experimentalists the various parameters that need to be diligently considered and controlled in order to obtain useful measurements of the real electroactive area. View Full-Text
Keywords: screen-printed electrodes; real electroactive area; cyclic voltammetry; chronocoulometry; Anson plot; Randles–Ševćik screen-printed electrodes; real electroactive area; cyclic voltammetry; chronocoulometry; Anson plot; Randles–Ševćik
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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García-Miranda Ferrari, A.; Foster, C.W.; Kelly, P.J.; Brownson, D.A.C.; Banks, C.E. Determination of the Electrochemical Area of Screen-Printed Electrochemical Sensing Platforms. Biosensors 2018, 8, 53.

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