Increasing the sensitivity in the immunochemical determination of an analyte
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United States of America Patent
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Feb 29, 2000
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N/A
app pub date -
Jul 17, 1997
filing date -
Jul 22, 1996
priority date (Note) -
Expired
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Abstract
The present invention relates to a process for the determination of an analyte, in which a sample optionally containing the analyte to be determined is brought into contact with a first receptor R1, which has a binding affinity for the analyte, immobilized on a solid phase, and a receptor R2, which likewise has a binding affinity for the analyte, is added and in which furthermore the resulting immune complexes are brought into contact with a binding factor which has a binding affinity for the analyte and for a receptor R3 immobilized on the same or a second solid phase and in which the amount of the analyte bound to the first solid phase or, if present, to the second solid phase is detected in a suitable manner.
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