The invention relates to self-contained assay cassette for detecting a ligand in a sample. The assay cassette provides for turbulent flow and mixing of the sample with assay components, including receptors that bind to a ligand, optional microspheres capable of binding the receptors or to which other...http://www.google.de/patents/US7811811?utm_source=gb-gplus-sharePatent US7811811 - Self-contained assay device for rapid detection of biohazardous agents
