Gold sol of less than 5 nm test method and reagent kit therefor
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United States of America Patent
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Sep 17, 1996
Issued Date -
N/A
app pub date -
Jun 5, 1992
filing date -
Jan 13, 1988
priority date (Note) -
Expired
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Abstract
A method for the qualitative or quantitative determination of an analyte in a test sample wherein a labelled reagent is caused to be immobilized in bound form on a solid phase to provide an indication of the presence or quantity of the analyte in the same is disclosed and is characterized in that the labelled reagent comprises a gold sol bound to a substance capable of specifically binding to said analyte or to a specific binding partner therefor, at least 75% by weight of the gold particles of the gold sol having a mean diameter of less than 5 nanometers.
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