Durable chemical sensors based on field-effect transistors

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    The design of durable chemical sensors based on field-effect transistors (FETs) is described. After modification of an ion-sensitive FET (ISFET) with a polysiloxane membrane matrix, it is possible to attach all electroactive components covalently. Preliminary results of measurements with a sodium-selective CHEMFET have shown that the durability is improved by the covalent attachment of the electroactive components ( > 90 days).
    Original languageUndefined
    Pages (from-to)197-200
    Number of pages4
    JournalSensors and Actuators B: Chemical
    Issue number24
    Publication statusPublished - 1995


    • METIS-106641
    • IR-12394

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