The multi-channel potentiostat: Development and evaluation of a scalable mini-potentiostat array for investigating electrochemical reaction mechanisms.

A potentiostat is an essential piece of analytical equipment for studying electrochemical devices and reactions. As the design of electrochemical devices evolve, applications for systems with multiple working electrodes have become more common. These applications drive a need for low-cost multi-chan...

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Autores principales:	Pattawong Pansodtee, John Selberg, Manping Jia, Mohammad Jafari, Harika Dechiraju, Thomas Thomsen, Marcella Gomez, Marco Rolandi, Mircea Teodorescu
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/29396f659e5c4af28b1eddc4e32eef20
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spelling	oai:doaj.org-article:29396f659e5c4af28b1eddc4e32eef202021-12-02T20:08:12ZThe multi-channel potentiostat: Development and evaluation of a scalable mini-potentiostat array for investigating electrochemical reaction mechanisms.1932-620310.1371/journal.pone.0257167https://doaj.org/article/29396f659e5c4af28b1eddc4e32eef202021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0257167https://doaj.org/toc/1932-6203A potentiostat is an essential piece of analytical equipment for studying electrochemical devices and reactions. As the design of electrochemical devices evolve, applications for systems with multiple working electrodes have become more common. These applications drive a need for low-cost multi-channel potentiostat systems. We have developed a portable, low-cost and scalable system with a modular design that can support 8 to 64 channels at a cost as low as $8 per channel. This design can replace the functionality of commercial potentiostats which cost upwards of $10k for certain applications. Each channel in the multi-channel potentiostat has an independent adjustable voltage source with a built-in ammeter and switch, making the device flexible for various configurations. The multi-channel potentiostat is designed for low current applications (nA range), but its purpose can change by varying its shunt resistor value. The system can either function as a standalone device or remotely controlled. We demonstrate the functionality of this system for the control of a 24-channel bioelectronic ion pump for open- and closed- loop control of pH.Pattawong PansodteeJohn SelbergManping JiaMohammad JafariHarika DechirajuThomas ThomsenMarcella GomezMarco RolandiMircea TeodorescuPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 9, p e0257167 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Pattawong Pansodtee John Selberg Manping Jia Mohammad Jafari Harika Dechiraju Thomas Thomsen Marcella Gomez Marco Rolandi Mircea Teodorescu The multi-channel potentiostat: Development and evaluation of a scalable mini-potentiostat array for investigating electrochemical reaction mechanisms.
description	A potentiostat is an essential piece of analytical equipment for studying electrochemical devices and reactions. As the design of electrochemical devices evolve, applications for systems with multiple working electrodes have become more common. These applications drive a need for low-cost multi-channel potentiostat systems. We have developed a portable, low-cost and scalable system with a modular design that can support 8 to 64 channels at a cost as low as $8 per channel. This design can replace the functionality of commercial potentiostats which cost upwards of $10k for certain applications. Each channel in the multi-channel potentiostat has an independent adjustable voltage source with a built-in ammeter and switch, making the device flexible for various configurations. The multi-channel potentiostat is designed for low current applications (nA range), but its purpose can change by varying its shunt resistor value. The system can either function as a standalone device or remotely controlled. We demonstrate the functionality of this system for the control of a 24-channel bioelectronic ion pump for open- and closed- loop control of pH.
format	article
author	Pattawong Pansodtee John Selberg Manping Jia Mohammad Jafari Harika Dechiraju Thomas Thomsen Marcella Gomez Marco Rolandi Mircea Teodorescu
author_facet	Pattawong Pansodtee John Selberg Manping Jia Mohammad Jafari Harika Dechiraju Thomas Thomsen Marcella Gomez Marco Rolandi Mircea Teodorescu
author_sort	Pattawong Pansodtee
title	The multi-channel potentiostat: Development and evaluation of a scalable mini-potentiostat array for investigating electrochemical reaction mechanisms.
title_short	The multi-channel potentiostat: Development and evaluation of a scalable mini-potentiostat array for investigating electrochemical reaction mechanisms.
title_full	The multi-channel potentiostat: Development and evaluation of a scalable mini-potentiostat array for investigating electrochemical reaction mechanisms.
title_fullStr	The multi-channel potentiostat: Development and evaluation of a scalable mini-potentiostat array for investigating electrochemical reaction mechanisms.
title_full_unstemmed	The multi-channel potentiostat: Development and evaluation of a scalable mini-potentiostat array for investigating electrochemical reaction mechanisms.
title_sort	multi-channel potentiostat: development and evaluation of a scalable mini-potentiostat array for investigating electrochemical reaction mechanisms.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/29396f659e5c4af28b1eddc4e32eef20
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The multi-channel potentiostat: Development and evaluation of a scalable mini-potentiostat array for investigating electrochemical reaction mechanisms.

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