Rapid assay device
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United States of America Patent
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May 18, 1993
Grant Date -
N/A
app pub date -
Oct 25, 1990
filing date -
Oct 25, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A rapid immunoassay device comprising a single porous membrane that serves as both a reagent support and a spent reagent reservoir is disclosed. The immunoassay device directs the flow of sample and reagents within the device in a manner that eliminates both lateral diffusion and backflow of reagents without the necessity of additional external means.
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