Analytical instruments, biosensors and methods thereof
First Claim
Patent Images
1. An electrochemical sensor, comprising:
- at least one electrode; and
, a composite membrane, the composite membrane comprising an outer layer comprising a polyurethane-based compound, an enzyme layer, and a restorable inner layer in contact with at least one electrode and comprising a polymerizable membrane, wherein the enzyme layer is disposed next to the inner layer.
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Accused Products
Abstract
An electrochemical sensor system and membrane and method thereof for increased accuracy and effective life of electrochemical and enzyme sensors.
214 Citations
43 Claims
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1. An electrochemical sensor, comprising:
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at least one electrode; and
,a composite membrane, the composite membrane comprising an outer layer comprising a polyurethane-based compound, an enzyme layer, and a restorable inner layer in contact with at least one electrode and comprising a polymerizable membrane, wherein the enzyme layer is disposed next to the inner layer.
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2. An electrochemical sensor, comprising:
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at least one electrode; and
,a composite membrane, the composite membrane comprising an outer layer, an enzyme layer, and a restorable inner layer, wherein the inner layer is in contact with at least one electrode and comprises benzothiophene.
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3. An electrochemical sensor cartridge, comprising:
an electrochemical sensor card comprising at least one electrochemical sensor and a reservoir containing an electropolymerizable monomer solution in fluid communication with the electrochemical sensor card. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An electrochemical sensor system, comprising:
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an electrochemical sensor card comprising at least one electrochemical sensor, said electrochemical sensor comprising at least one polymerc membrane;
an electrochemical sensor apparatus in electrical contact with the electrochemical sensor card, the electrochemical sensor apparatus configured to measure electrical signals from the electrochemical sensor card and capable of providing an electrical potential to the electrochemical sensor for the polymerization of an electropolymerizable monomer to the polymeric membrane; and
a reservoir containing a solution comprising the electropolymerizable monomer in fluid communication with the electrochemical sensor card, said electropolymerizable monomer solution polymerized to said polymeric membrane by the electrical potential provided by said electrochemical sensor apparatus. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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24. An electrochemical sensor system, comprising:
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an electrochemical sensor card comprising at least one electrochemical sensor, said electrochemical sensor comprising at least one polymeric membrane;
an electrochemical sensor apparatus in electrical contact with the electrochemical sensor card, the electrochemical sensor apparatus configured to measure electrical signals from the electrochemical sensor card and capable of providing an electrical potential to the electrochemical sensor for the polymerization of an electropolymerizable monomer to the polymeric membrane;
a reservoir containing a solution comprising the electropolymerizable monomer in fluid communication with the electrochemical sensor card, said electropolymerizable monomer solution polymerized to said polymeric membrane by the electrical potential provided by said electrochemical sensor apparatus; and
a calibration solution in said reservoir containing an electropolymerizable monomer solution. - View Dependent Claims (25, 26)
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27. An electrochemical sensor system, comprising:
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an electrochemical sensor card comprising at least one electrochemical sensor, said electrochemical sensor comprising at least one polymeric membrane;
an electrochemical sensor apparatus in electrical contact with the electrochemical sensor card, the electrochemical sensor apparatus configured to measure electrical signals from the electrochemical sensor card and capable of providing an electrical potential to the electrochemical sensor for the polymerization of an electropolymerizable monomer to the polymeric membrane; and
a reservoir containing a solution comprising the electropolymerizable monomer in fluid communication with the electrochemical sensor card, said electropolymerizable monomer solution polymerized to said polymeric membrane by the electrical potential provided by said electrochemical sensor apparatus, wherein the electropolymerizable monomer comprises benzothiophene.
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28. An electrochemical sensor system, comprising:
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an electrochemical sensor card comprising at least one electrochemical sensor, said electrochemical sensor comprising at least one polymeric membrane;
an electrochemical sensor apparatus in electrical contact with the electrochemical sensor card, the electrochemical sensor apparatus configured to measure electrical signals from the electrochemical sensor card and capable of providing an electrical potential to the electrochemical sensor for the polymerization of an electropolymerizable monomer to the polymeric membrane; and
a reservoir containing a solution comprising the electropolymerizable monomer in fluid communication with the electrochemical sensor card, said electropolymerizable monomer solution polymerized to said polymeric membrane by the electrical potential provided by said electrochemical sensor apparatus, wherein the electropolymerizable monomer comprises dihydroxybenzene.
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29. An electrochemical sensor comprising:
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at least one electrode; and
a composite membrane, the composite membrane comprising an outer layer comprising a compound selected from the group consisting of polyvinyl-based compounds, silicone elastomer-based compounds, and polycarbonate-based compounds, an enzyme layer, and a restorable inner layer in contact with at least one electrode and comprising a polymerizable membrane, wherein the enzyme layer is disposed next to the inner layer. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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Specification