Immunoassay method utilizing zeta potential and immunoassay kit
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United States of America Patent
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Nov 11, 1997
Grant Date -
N/A
app pub date -
Oct 23, 1995
filing date -
Mar 11, 1993
priority date (Note) -
Expired
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Abstract
An immunochemical method is provided for the detection and determination of an analyte. The zeta potential of a latex-particle loaded with an immunologically active substance is measured before and after bringing the loaded latex-particle into contact with an analyte. The difference in zeta potential is correlated with changes of zeta potential for known concentrations of the analyte in order to determine the presence and amount of the analyte.
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