Devices and methods for detection of an analyte based upon light interference

摘要

The invention refers to an optical assay device comprising: an active receptive surface supported on a pedestal and held within a first container; said first container comprising first absorbent material located at the base of said pedestal, configured and arranged to absorb liquid draining from said surface, a second container, hingedly connected to one side of said first container, said second container comprising a second absorbent material, wherein said second container can be closed to said first container by rotation about the hinge, and wherein such closing causes said second absorbent material to contact said surface.