A membrane-based assay device for detecting the presence or quantity of an analyte residing in a test sample is provided. The device utilizes a chromatographic zone on which is disposed a plurality of microporous particles. The chromatographic zone can effectively reduce the “hook effect” in a simple,...http://www.google.fr/patents/US7247500?utm_source=gb-gplus-shareBrevet US7247500 - Reduction of the hook effect in membrane-based assay devices
Reduction of the hook effect in membrane-based assay devices