Diagnostic assay providing blood separation
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United States of America Patent
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May 19, 1998
Grant Date -
N/A
app pub date -
Dec 22, 1995
filing date -
Dec 22, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention provides a device and method for preparing a plasma enriched sample for use in an immunoassay strip. All parts that contact blood or a blood fraction remain in a container and prevent contamination from used blood. In one embodiment a sampling device collects blood and enters the container. A plasma enriched sample fills a plasma receptor which in turn is transferred to an immunoassay strip. Plasma is washed out of the strip by an aqueous solution. In another embodiment the sampling device doubles as a plasma separator. The invention allows sensitive and safe immunoassays to be performed on whole blood samples outside of the normal clinical laboratory setting.
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