A test device and method for detecting or quantifying an analyte in a test sample employs an interdigitated electrode array and electroactive marker-encapsulating liposomes for signal generation and detection. The test device includes a contact portion on a first absorbent material, a capture portion...http://www.google.com/patents/US6358752?utm_source=gb-gplus-sharePatent US6358752 - Liposome-enhanced test device and method
