Biosensor electrode

摘要

The invention relates to a single use disposable electrode strip for attachment to the signal readout circuitry of a sensor system to detect a current representative of an analyte in an aqueous sample. The strip comprises an elongated support (1) having a substantially flat, planar surface, adapted for releaseable attachment to said readout circuitry; a first and second conductor extending along said surface and comprising a conductive element for connection to said readout circuitry; an active electrode (5) on said surface in contact with said first conductor; a reference/counter electrode (6) in contact with said second conductor. Preferably, the electrode strip comprises a fill indicator electrode (7) in contact with a third such conductor. The conductors are spaced apart so as not to be in electrical contact and being configured so as not to be brought into electrical contact when said aqueous sample is placed on said strip. The active electrode (5) and reference/counter electrode (6) are configured so that both may be simultaneously covered by a small drop of said aqueous sample to provide an electrical conduction path between said electrodes.