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Implantable glucose sensor.

E Wilkins, M G Wilkins

    Journal of Biomedical Engineering
    |October 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Researchers developed two novel miniature implantable glucose sensors. The more successful method utilizes coated wire electrodes for accurate glucose detection in biological samples.

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    Area of Science:

    • Biomedical Engineering
    • Electrochemistry
    • Biosensors

    Background:

    • Development of reliable in vivo glucose monitoring is critical for diabetes management.
    • Existing glucose sensors face challenges with stability and interference.

    Purpose of the Study:

    • To present two novel approaches for constructing and testing miniature in vivo implantable glucose sensors.
    • To evaluate the performance of these sensors in detecting glucose concentrations.

    Main Methods:

    • Immobilization of glucose oxidase onto platinum wire with polymer coating.
    • Development of coated wire electrodes using quaternary ammonium salt, insoluble glucose salt, and poly(vinyl chloride).
    • Potentiometric measurements to assess electrode performance, voltage, and current responses.

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    Main Results:

    • Two distinct sensor construction methods were successfully implemented.
    • The coated wire electrode approach demonstrated greater success in initial testing.
    • Electrode responses to varying glucose concentrations were characterized.

    Conclusions:

    • Coated wire electrodes offer a promising avenue for miniature in vivo glucose sensing.
    • Further research is needed to optimize sensor performance in complex biological matrices like plasma and blood.
    • Investigating interference effects and alternative preparation methods is ongoing.