Detection system using liposomes and signal modification
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United States of America Patent
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Jun 1, 2004
Grant Date -
N/A
app pub date -
Jul 12, 2000
filing date -
Jan 21, 1998
priority date (Note) -
Expired
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Abstract
A process for detecting an analyte which process comprises (a) contacting a sample suspected of containing said analyte with a containment means comprising a barrier which separates signal generating reagents from said sample, in the presence of an element which interacts specifically with said analyte, under conditions whereby interaction between the analyte and the said element results in activation of the signal generating reagents within the containment means on the side of the barrier opposite to the sample, and (b) detecting any signal generated and retained within the containment means from the sample side of the barrier. The process of the invention provides for sensitive detection of very small numbers of analyte materials using measurement techniques which include counting methods such as flow cytometry.
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