A μTAS Based on Microdialysis for On-Line Monitoring of Clinically Relevant Substances

Sebastian Bohm, Wouter Olthuis, Piet Bergveld

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Abstract

    For the monitoring of various clinically relevant substances such as glucose, lactate and electrolytes a μTA8 based on microdialysis is under development. Two modules needed in this analysis system will be presented. One component of the system is an integrated microdialysis probe that is connected with an extremely low dead volume to a channel system in silicon. This small dead volume is an important requirement for microdialysis based measurement systems because flow rates are as low as 0.2–2 μl/min. A part of the integrated channel system is in contact with an array of cavities having internal metal electrodes. These cavities can be filled with for instance an ion selective filling or a hydrogel containing enzyme contacting the dialysate stream via a liquid-liquid junction. The resulting ion-selective or enzymatic micro sensors can be applied for on-line analysis of the sample stream coming from the microdialysis probe.
    Original languageEnglish
    Title of host publicationMicro Total Analysis Systems ’98
    Subtitle of host publicationProceedings of the uTAS ’98 Workshop, held in Banff, Canada, 13–16 October 1998
    EditorsD. Jed Harrison, Albert van den Berg
    Place of PublicationDordrecht
    PublisherKluwer Academic Publishers
    Pages31-34
    Number of pages4
    ISBN (Electronic)978-94-011-5286-0
    ISBN (Print)978-94-010-6225-1
    DOIs
    Publication statusPublished - 13 Oct 1998
    Event3rd International Workshop on Micro Total Analysis Systems, μTAS 1998 - Banff, Canada
    Duration: 13 Oct 199816 Oct 1998
    Conference number: 3

    Workshop

    Workshop3rd International Workshop on Micro Total Analysis Systems, μTAS 1998
    Abbreviated titleMicroTAS
    CountryCanada
    CityBanff
    Period13/10/9816/10/98

    Keywords

    • METIS-113806

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