Patent ID: 6287451
Filing Date: 2001-09-11
Classification: C12Q,G01N

Abstract:
A disposable electrode strip for testing a fluid sample comprising:a laminated strip having a first strip end, a second strip end and a vent opening spaced from said first strip end, said laminated strip comprising a base layer with at least three electrodes delineated thereon, a reagent holding layer carried on said base layer, said reagent holding layer having at least three cutouts, a channel forming layer carried on said reagent holding layer, and a cover;an enclosed channel between said first strip end and said vent opening, said enclosed channel containing said at least three cutouts;a first reagent disposed in a first cutout of said at least three cutouts forming a reference electrode;a second reagent disposed in a second cutout of said at least three cutouts forming a first working electrode, said second reagent being substantially similar to said first reagent;a third reagent disposed in a third cutout of said at least three cutouts forming a second working electrode, said third reagent containing an enzyme; andconductive contacts at said second strip end and insulated from said enclosed channel.