Patent ID: 8921065
Filing Date: 2014-12-30
Classification: C12Q,G01N

Abstract:
1. A reagent composition for making electrochemical biosensors comprising: (a) glucose dehydrogenase (GDH) and co-factor pyrrolo-quinoline quinone (PQQ) for oxidizing glucose in a biological sample; (b) 2 to about 10 wt % of a hydrophilic polymer selected from cellulose derivatives, based on the total weight of the composition; (c) about 1 to about 6 wt % of amorphous untreated silica powder, based on the total weight of the composition; (d) a buffer sufficient to maintain pH in the range of from about 4.5 to about 6.5; (e) a surfactant; and (f) a mediator.