Urine testing module and method of collecting urine antigen
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United States of America Patent
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-
May 21, 1991
Issued Date -
N/A
app pub date -
Sep 25, 1989
filing date -
Jan 10, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for testing for biological molecular indicators in urine. Urine is transported through a sample container under pressure to flow through the sample container so that antigens in the urine are collected and bound on antibodies immobilized on the beads to form antigen-antibody complex. The beads are washed to remove cell debris and charged molecules and a specific prelabelled antibody solution is passed through the sample container with the prelabelled antibodies attaching to a receptor site on the captured antigen to form an antibody-antigen-prelabelled antibody sandwich complex. This sandwich complex is washed to remove cell debris and charged molecules and mixed with a color reagent solution which reacts with the prelabelled antibody to produce an color indicating the presence of a specific cancer antigen.
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