Analytical instruments, biosensors and methods thereof
First Claim
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1. A method for restoring the functional properties of an electrochemical sensor, said method comprising:
- providing an electrochemical sensor system, said electrochemical sensor system comprising;
an electrochemical sensor card comprising at least one electrochemical sensor, said electrochemical sensor comprising an electrode and a composite membrane said composite membrane 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 to provide an electrical potential to the electrochemical sensor; and
a reservoir containing an electropolymerizable monomer in a solution in fluid communication with the electrochemical sensor card;
contacting the electrochemical sensor with the solution; and
applying an electrical potential of sufficient strength and sufficient duration to cause at least a portion of the electropolymerizable monomer in the solution to polymerize onto the polymeric membrane.
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Abstract
An electrochemical sensor system and membrane and method thereof for increased accuracy and effective life of electrochemical and enzyme sensors.
172 Citations
14 Claims
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1. A method for restoring the functional properties of an electrochemical sensor, said method comprising:
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providing an electrochemical sensor system, said electrochemical sensor system comprising;
an electrochemical sensor card comprising at least one electrochemical sensor, said electrochemical sensor comprising an electrode and a composite membrane said composite membrane 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 to provide an electrical potential to the electrochemical sensor; and
a reservoir containing an electropolymerizable monomer in a solution in fluid communication with the electrochemical sensor card;
contacting the electrochemical sensor with the solution; and
applying an electrical potential of sufficient strength and sufficient duration to cause at least a portion of the electropolymerizable monomer in the solution to polymerize onto the polymeric membrane. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for restoring the functional properties of an electrochemical sensor cartridge comprising:
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connecting an electrochemical sensor cartridge comprising an electrochemical sensor to an electrochemical sensor apparatus , the electrochemical sensor comprising an electrode and a composite membrane comprising at least one polymeric membrane;
contacting the electrochemical sensor with an electropolymerizable monomer solution; and
applying an electrical potential of sufficient strength and sufficient duration to cause at least a portion of the electropolymerizable monomer solution to polymerize onto the polymeric membrane. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification