Apparatus for immune analysis
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United States of America Patent
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May 3, 2005
Issued Date -
N/A
app pub date -
Mar 12, 1999
filing date -
Jan 26, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A total reflection cell has a total reflection prism on at least one surface thereof. A mixed solution containing a gold colloid labelled antibody which is adsorbed on a gold colloid is stored in the total reflection cell, and a sample solution containing an antigen causing antigen-antibody reaction with the antibody is added thereto for forming a gold colloid labelled immune complex. A measuring beam is introduced into the total reflection prism from an incident optical system at an angle θ of incidence causing total reflection and an outgoing beam from the total reflection prism is received by a measuring optical system, thereby measuring absorption by the gold colloid labelled immune complex and carrying out qualification and determination of the antigen.
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