Electrochemical-sensor design

Details Electrochemical-sensor design Electrochemical-sensor design

2006-10-24

2006-10-24

Noguerola, Alex (Department: 1753)

Electrolysis: processes, compositions used therein, and methods

Electrolytic analysis or testing

C205S777500, C205S778000, C205S792000, C204S403010, C204S403040, C204S416000

Reexamination Certificate

active

07125481

ABSTRACT:
An electrochemical test sensor adapted to assist in determining the concentration of analyte in a fluid sample is disclosed. The sensor comprises a base that assists in forming an opening for introducing the fluid sample, a working electrode being coupled to the base, and a counter electrode being coupled to the base, the counter electrode and the working electrode being adapted to be in electrical communication with a detector of electrical current, and a sub-element being coupled to the base. A major portion of the counter electrode is located downstream relative to the opening and at least a portion of the working electrode. The sub-element is located upstream relative to the working electrode such that when electrical communication occurs between only the sub-element and the working electrode there is insufficient flow of electrical current through the detector to determine the concentration of the analyte in the fluid sample.

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