Diagnostic devices, systems and methods for detecting the presence of an analyte in a sample are provided. In one embodiment, the device comprises a substrate, a binder printed in a pattern onto a surface of the substrate, and a means for directing a sample towards the surface of the substrate that is...http://www.google.es/patents/US7244393?utm_source=gb-gplus-sharePatente US7244393 - Diagnostic device and system
