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Platform-agnostic electrochemical sensing app and companion potentiostat
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Manoharan, Vijayalaxmi, Rodrigues, Rui, Sadati, Sara, Swann, Marcus J., Freeman, Neville, Du, Bowen, Yıldırım, Ender, Tamer, Ugur, Arvanitis, Theodoros N., Isakov, Dmitry, Asadipour, Ali and Charmet, Jérôme (2023) Platform-agnostic electrochemical sensing app and companion potentiostat. Analyst, 148 (19). pp. 4857-4868. doi:10.1039/d2an01350a ISSN 0003-2654.
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Official URL: https://doi.org/10.1039/d2an01350a
Abstract
Electrochemical sensing is ubiquitous in a number of fields ranging from biosensing, to environmental monitoring through to food safety and battery or corrosion characterisation. Whereas conventional potentiostats are ideal to develop assays in laboratory settings, they are in general, not well-suited for field work due to their size and power requirements. To address this need, a number of portable battery-operated potentiostats have been proposed over the years. However, most open source solutions do not take full advantage of integrated circuit (IC) potentiostats, a rapidly evolving field. This is partly due to the constraining requirements inherent to the development of dedicated interfaces, such as apps, to address and control a set of common electrochemical sensing parameters. Here we propose the PocketEC, a universal app that has all the functionalities to interface with potentiostat ICs through a user defined property file. The versatility of PocketEC, developed with an assay developer mindset, was demonstrated by interfacing it, via Bluetooth, to the ADuCM355 evaluation board, the open-source DStat potentiostat and the Voyager board, a custom-built, small footprint potentiostat based around the LMP91000 chip. The Voyager board is presented here for the first time. Data obtained using a standard redox probe, Ferrocene Carboxylic Acid (FCA) and a silver ion assay using anodic stripping multi-step amperometry were in good agreement with analogous measurements using a bench top potentiostat. Combined with its Voyager board companion, the PocketEC app can be used directly for a number of wearable or portable electrochemical sensing applications. Importantly, the versatility of the app makes it a candidate of choice for the development of future portable potentiostats. Finally, the app is available to download on the Google Play store and the source codes and design files for the PocketEC app and the Voyager board are shared via Creative Commons license (CC BY-NC 3.0) to promote the development of novel portable or wearable applications based on electrochemical sensing.
Item Type: | Journal Article | |||||||||||||||||||||||||||||||||||||||
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Subjects: | Q Science > QD Chemistry T Technology > TP Chemical technology |
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Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) |
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SWORD Depositor: | Library Publications Router | |||||||||||||||||||||||||||||||||||||||
Library of Congress Subject Headings (LCSH): | Potentiostat, Electrochemical sensors -- Research | |||||||||||||||||||||||||||||||||||||||
Journal or Publication Title: | Analyst | |||||||||||||||||||||||||||||||||||||||
Publisher: | Royal Society of Chemistry | |||||||||||||||||||||||||||||||||||||||
ISSN: | 0003-2654 | |||||||||||||||||||||||||||||||||||||||
Official Date: | 7 October 2023 | |||||||||||||||||||||||||||||||||||||||
Dates: |
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Volume: | 148 | |||||||||||||||||||||||||||||||||||||||
Number: | 19 | |||||||||||||||||||||||||||||||||||||||
Page Range: | pp. 4857-4868 | |||||||||||||||||||||||||||||||||||||||
DOI: | 10.1039/d2an01350a | |||||||||||||||||||||||||||||||||||||||
Status: | Peer Reviewed | |||||||||||||||||||||||||||||||||||||||
Publication Status: | Published | |||||||||||||||||||||||||||||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||||||||||||||||||||||||||||||||
Date of first compliant deposit: | 1 September 2023 | |||||||||||||||||||||||||||||||||||||||
Date of first compliant Open Access: | 1 September 2023 | |||||||||||||||||||||||||||||||||||||||
RIOXX Funder/Project Grant: |
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