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Open AccessProceedings

Redox Active Self-Assembled Monolayer Functioning as a pH Actuator

1
Luxembourg Institute of Science and Technology (LIST), 41 Rue du Brill, L-4422 Belvaux, Luxembourg
2
MESA+ Institute, University of Twente, Drienerlolaan 5, 7522 NB Enschede, The Netherlands
*
Author to whom correspondence should be addressed.
Presented at the Eurosensors 2018 Conference, Graz, Austria, 9–12 September 2018.
Proceedings 2018, 2(13), 1073; https://doi.org/10.3390/proceedings2131073
Published: 21 November 2018
(This article belongs to the Proceedings of EUROSENSORS 2018)
Using electrochemical control to change the chemical environment in liquids is quite challenging because the small surface to volume ratio offered by traditional cells limits the release or modification of chemicals from the electrodes. Here we present the control of proton concentration (acidity) using a combination of a redox active SAM, which allows ease of fabrication, control of the chemical reactions and repeatability, with a microfluidic design that provides large range and stability over time of the set acidity point, quasi-reversibility during several cycles, and capacity of miniaturization and scalability for multiplexing.
Keywords: microfluidic platform; electrochemical cell; miniaturization; pH control microfluidic platform; electrochemical cell; miniaturization; pH control
MDPI and ACS Style

Balakrishnan, D.; Olthuis, W.; García, C.P. Redox Active Self-Assembled Monolayer Functioning as a pH Actuator. Proceedings 2018, 2, 1073.

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