Membrane electrode for measuring the glucose concentration in fluids
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United States of America Patent
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Jan 23, 2001
Grant Date -
N/A
app pub date -
Nov 23, 1998
filing date -
May 25, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention concerns a membrane electrode for measuring glucose concentration in liquids, comprising: a base membrane with at least one noble metal electrode which is arranged on one side of the base membrane; a proton-selective ion membrane arranged on the base membrane and the noble metal electrode; and a double membrane which is arranged on the ion membrane and in which glucose oxidase is contained in a suitable medium, and also an electronic circuit for operation of the membrane electrode comprising: a stabilised polarisation voltage source; two high-impedance amplifiers; a parallel resistor; an element for processing and storage of the measured parameter; and an output means.
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