The present invention provides a polymer membrane enhanced with cured epoxy resin for use as the outer membrane of biosensors. The membrane includes approximately 30-80% epoxy resin adhesives, 10-60% polymer such as poly(vinyl chloride), polycarbonate and polyurethane and 0-30% plasticizers and 5-15%...http://www.google.com/patents/US7534330?utm_source=gb-gplus-sharePatent US7534330 - Epoxy enhanced polymer membrane to increase durability of biosensors