Ion-sensing using chemically-modified ISFETs

E.J.R. Sudhölter, P.D. van der Wal, M. Skowronska-Ptasinska, A. van den Berg, D.N. Reinhoudt

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    Abstract

    Synthetic macrocyclic polyether ion receptors are the active components for the selective and sensitive detection of potassium ions in chemical sensors based on modified ISFETs. Covalent chemical anchoring of the sensing membrane to the gate oxide of the ISFET is essential in order to increase the lifetime of the sensor system to more than three months.
    Original languageEnglish
    Pages (from-to)189-194
    JournalSensors and actuators
    Volume17
    Issue number1-2
    DOIs
    Publication statusPublished - 1989

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