Electrochemical cell
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United States of America Patent
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Oct 7, 2008
Grant Date -
Oct 21, 2004
app pub date -
May 12, 2004
filing date -
Nov 16, 1995
priority date (Note) -
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Abstract
A biosensor for use in determining a concentration of a component in an aqueous liquid sample is provided including: an electrochemical cell having a first electrically resistive substrate having a thin layer of electrically conductive material, a second electrically resistive substrate having a thin layer of electrically conductive material, the substrates being disposed with the electrically conductive materials facing each other and being separated by a sheet including an aperture, the wall of which aperture defines a cell wall and a sample introduction aperture whereby the aqueous liquid sample may be introduced into the cell; and a measuring circuit.
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