Patent ID: 8940153
Filing Date: 2015-01-27
Classification: C12Q

Abstract:
1. A test sensor reagent composition adapted to assist in determining an analyte concentration of a fluid sample, the reagent comprising an enzyme, an electron transfer mediator, a cellulose polymer and a rheological additive, wherein the rheological additive is smectite clay, wherein the test sensor reagent composition comprises from about 3.6 wt. % to about 6.0 wt. % of a hydroxyethyl cellulose polymer, from about 1 wt. % to about 4 wt. % of a glucose oxidase enzyme, from about 15 wt. % to about 20 wt. % of a ferricyanide mediator and from about 0.2 wt. % to about 1.6 wt. % of the smectite clay.