The present invention relates to a filtration-detection device for detecting or quantifying an analyte in a test sample including a filtration device having a first binding material immobilized thereto, wherein the first binding material is capable of binding to a portion of the analyte, and a detection...http://www.google.com/patents/US6576460?utm_source=gb-gplus-sharePatent US6576460 - Filtration-detection device and method of use