Detecting antigens or antibodies

A method for the detection of antigens or antibodies in a liquid sample, in which particles coated with antigen or antibody and having a diameter of from 50 to 1500 nm are used as the indicator reagent and are added to a set of micro-tubes containing the liquid sample in which antibody or antigen is...

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Bibliographic Details
Main Author LIM, PAK LEONG
Format Patent
LanguageEnglish
French
German
Published 24.01.1990
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:A method for the detection of antigens or antibodies in a liquid sample, in which particles coated with antigen or antibody and having a diameter of from 50 to 1500 nm are used as the indicator reagent and are added to a set of micro-tubes containing the liquid sample in which antibody or antigen is to be detected, and in which method the tubes are incubated at ambient temperature with thorough mixing for a minimum period of 1 minute and sufficient to cause particles of the reagent to change if any of said antibody or antigen to be detected is present in the sample. The invention also offers a diagnostic kit for use in the detection of antigens or antibodies in a liquid sample, which kit comprises a set of micro-tubes for containing a said sample, and includes an indicator reagent comprising particles coated with antibodies or antigens responsive to the antigens or antibodies respectively to be detected in a said sample and having a diameter of from 50 to 1500 nm.
Bibliography:Application Number: EP19890307464