Patent ID: 6168956
Filing Date: 2001-01-02
Classification: B01L,G01N,Y10S

Abstract:
A chromatographic assay device comprising: a first opposable component including a sample preparation means for receiving a liquid sample to be assayed and containing a labeled mobile reagent to bind specifically to an analyte to be detected; and a second opposable component including a chromatographic medium having at least one reagent binding specifically to an analyte to be detected, the reagent being bound at a detection zone on the chromatographic medium, the second opposable component being connected to the first opposable component; wherein the first and second opposable components can be brought into opposition by direct manual closure from a position in which they are not in opposition so as to cause the sample preparation means to apply the liquid sample to be tested to the chromatographic medium and to cause the liquid sample to flow through the chromatographic medium, the chromatographic assay being performed as a result of migration of the sample within the chromatographic medium so that the analyte is detected within the chromatographic medium as a result of the migration by binding of the labeled mobile reagent, the analyte being detected at a position different than the position at which the sample is applied to the chromatographic medium, the analyte being detected on the chromatographic medium after migration by binding of the labeled mobile reagent to the analyte bound to the detection zone.