Patent ID: 7563588
Filing Date: 2009-07-21
Classification: B01D,C12N,C12Q,C12Y,G01N

Abstract:
1. An electrically non-conductive, nanoparticulate membrane comprising nanoparticles of at least one inorganic oxide of an element selected from Group IA, IIA, IIA, IVA, IB, IIB, IIIB, IVAB, VB, VIB, VIIB, VIIIB of the Periodic Table, and wherein an oxidoreductase enzyme and polymeric redox mediator capable of transferring electrons are diffusibly dispersed in said nanoparticulate membrane to allow diffusion of the oxidoreductase enzyme, the polymeric redox mediator and analyte within the membrane when the membrane is exposed to a test sample containing said analyte.