Chemically modified field-effect transistors; a sodium ion selective sensor based on calix[4]arene receptor molecules

J.A.J. Brunink, Jan R. Haak, Johan G. Bomer, David Reinhoudt, M. Anthony McKervey, Stephen J. Harris

    Research output: Contribution to journalArticleAcademicpeer-review

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    Abstract

    The development of an ion-sensitive field-effect transistor for sodium ions is described. Cahx[4]arene derivatives incorporated in a poly(vinyl chloride)-based membrane provide the selectivity. A poly(2-hydroxyethyl methacrylate) interlayer between the silicon dioxide gate and the sensing membrane is necessary to obtain a Na+-sensitive ISFET with Nernstian behaviour. The potentiometric selectivity coefficients (log Kij pot) for Na+ over K+ and Li+ are ¿1.9 and ¿2.5,
    Original languageEnglish
    Pages (from-to)75-80
    Number of pages6
    JournalAnalytica chimica acta
    Volume0
    Issue number254
    DOIs
    Publication statusPublished - 1991

    Fingerprint

    Ion sensitive field effect transistors
    Field effect transistors
    Sodium
    sodium
    Ions
    membrane
    sensor
    Membranes
    Vinyl Chloride
    Molecules
    ion
    Sensors
    Silicon Dioxide
    silicon
    chloride
    Derivatives
    calix(4)arene
    effect
    hydroxyethyl methacrylate

    Keywords

    • METIS-106724
    • IR-12543

    Cite this

    Brunink, J.A.J. ; Haak, Jan R. ; Bomer, Johan G. ; Reinhoudt, David ; McKervey, M. Anthony ; Harris, Stephen J. / Chemically modified field-effect transistors; a sodium ion selective sensor based on calix[4]arene receptor molecules. In: Analytica chimica acta. 1991 ; Vol. 0, No. 254. pp. 75-80.
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    year = "1991",
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    Chemically modified field-effect transistors; a sodium ion selective sensor based on calix[4]arene receptor molecules. / Brunink, J.A.J.; Haak, Jan R.; Bomer, Johan G.; Reinhoudt, David; McKervey, M. Anthony; Harris, Stephen J.

    In: Analytica chimica acta, Vol. 0, No. 254, 1991, p. 75-80.

    Research output: Contribution to journalArticleAcademicpeer-review

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    AU - Brunink, J.A.J.

    AU - Haak, Jan R.

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    AU - Reinhoudt, David

    AU - McKervey, M. Anthony

    AU - Harris, Stephen J.

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    AB - The development of an ion-sensitive field-effect transistor for sodium ions is described. Cahx[4]arene derivatives incorporated in a poly(vinyl chloride)-based membrane provide the selectivity. A poly(2-hydroxyethyl methacrylate) interlayer between the silicon dioxide gate and the sensing membrane is necessary to obtain a Na+-sensitive ISFET with Nernstian behaviour. The potentiometric selectivity coefficients (log Kij pot) for Na+ over K+ and Li+ are ¿1.9 and ¿2.5,

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    KW - IR-12543

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