The pH-static enzyme sensor: design of the pH control system

Bart H. van der Schoot, Hans Voorthuyzen, Piet Bergveld

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    Abstract

    The pH-static enzyme sensor offers a solution to the buffer dependency of ISFET-based enzyme sensors. A continuous coulometric titration of the reaction products keeps the pH in the enzymatic membrane at a constant level. This paper presents an automatic system to control the compensating current that is a direct measure for the substrate concentration.
    Original languageEnglish
    Pages (from-to)546-549
    Number of pages4
    JournalSensors and actuators
    Volume1
    Issue number1-6
    DOIs
    Publication statusPublished - 1990

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    van der Schoot, B. H., Voorthuyzen, H., & Bergveld, P. (1990). The pH-static enzyme sensor: design of the pH control system. Sensors and actuators, 1(1-6), 546-549. https://doi.org/10.1016/0925-4005(90)80270-A