Redox Active Self-Assembled Monolayer Functioning as a pH Actuator

Divya Balakrishnan, Wouter Olthuis, César Pascual-García

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    Abstract

    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.
    Original languageEnglish
    Title of host publicationProceedings of Eurosensors 2018
    Place of PublicationBasel, Switzerland
    Pages1 -4
    Number of pages4
    Volume2
    Edition13
    DOIs
    Publication statusPublished - 21 Nov 2018
    Event32nd European Conference on Solid-State Transducers, Eurosensors XXXII 2018 - Graz, Austria
    Duration: 9 Sep 201812 Sep 2018
    Conference number: 32
    http://www.eurosensors2018.eu

    Publication series

    NameProceedings (MDPI)
    PublisherMultidisciplinary Digital Publishing Institute
    ISSN (Print)2504-3900

    Conference

    Conference32nd European Conference on Solid-State Transducers, Eurosensors XXXII 2018
    Abbreviated titleEurosensors
    CountryAustria
    CityGraz
    Period9/09/1812/09/18
    Internet address

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    Keywords

    • Microfluidic platform
    • electrochemical cell
    • Miniaturization
    • pH Control

    Cite this

    Balakrishnan, D., Olthuis, W., & Pascual-García, C. (2018). Redox Active Self-Assembled Monolayer Functioning as a pH Actuator. In Proceedings of Eurosensors 2018 (13 ed., Vol. 2, pp. 1 -4). [2131073] (Proceedings (MDPI)). Basel, Switzerland. https://doi.org/10.3390/proceedings2131073