Sensors and methods for producing them are disclosed. A cavity is created and filled with a reagent that includes a conductive matrix, enzyme, catalyst, and binding agent, in a preferred embodiment. The cavity is substantially enclosed, leaving enough of an opening to allow the sample to enter. A portion...http://www.google.se/patents/US20070007133?utm_source=gb-gplus-sharePatent US20070007133 - Sensor with increased biocompatibility