Electrochemical cell
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Accused Products
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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Citations
49 Claims
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1-32. -32. (canceled)
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33. A biosensor for use in determining a concentration of a component in a liquid sample, the biosensor comprising:
an electrochemical cell, the electrochemical cell comprising a first electrically resistive substrate having a first electrically conductive material on a first face, a second electrically resistive substrate having a second electrically conductive material on a second face, the substrates being disposed with the first electrically conductive material facing the second electrically conductive material and being separated by at least one insulating sheet, the cell further comprising a wall, a reagent that is deposited on at least a portion of the wall, and a sample introduction aperture formed in the insulating sheet, whereby a sample may be introduced into the cell. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40)
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41. A biosensor for use in determining a concentration of a component in a liquid sample, the biosensor comprising:
a thin layer electrochemical cell, the cell comprising;
(a) an electrically resistive sheet comprising an aperture;
(b) a first electrode layer covering the aperture on a first side of the electrically resistive sheet;
(c) a second electrode layer covering the aperture on a second side of the electrically resistive sheet, wherein a wall of the aperture cooperates with the electrode layers to define at least a portion of the cell wall;
(d) a reagent that is deposited on at least a portion of the cell wall; and
(e) a passage for admission of a liquid sample into the aperture. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49)
Specification