Patent ID: 6162398
Filing Date: 2000-12-19
Classification: G01N,Y10S

Abstract:
A device for conducting an assay for an analyte of interest in a fluid comprising:a) a sifting filter containing one inlet having boundaries, wherein said inlet is capable of having said fluid applied through said inlet to said sifting filter, and said sifting filter permits passage of said fluid through said sifting filter by capillary action, and further wherein said sifting filter is aligned contiguous to a detection zone in said device;b) the detection zone, comprising(i) a detection zone material which permits passage of fluid from the sifting filter through said detection zone material by capillary action, and(ii) a binder for said analyte; andc) a casing material for structural support of at least one element of the device and for directing passage of fluid in the device, said casing material comprising a shrink wrap material, wherein the casing material covers at least a portion of the sifting filter and covers circumferentially at least the boundaries of said inlet of the sifting filter.