An analyte sensor system including a substrate, a first electrode disposed on a first surface of the substrate, a second electrode disposed on a second surface of the substrate, a third electrode provided in electrical contact with at least one of the first or second electrodes, where at least a portion...http://www.google.es/patents/US7826879?utm_source=gb-gplus-sharePatente US7826879 - Analyte sensors and methods of use
