immunoassay

An immunoassay is a biochemical test that measures the concentration of a substance in a biological liquid, typically serum or urine, using the reaction of an antibody or antibodies to its antigen. The assay takes advantage of the specific binding of an antibody to its antigen. Monoclonal antibodies are often used as they only usually bind to one site of a particular molecule, and therefore provide a more specific and accurate test, which is less easily confused by the presence of other molecules. The antibodies picked must have a high affinity for the antigen (if there is antigen available, a very high proportion of it must bind to the antibody).
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Immunoassay /im·mu·no·as·say/ quantitative determination of antigenic substances by serological means, as by immunofluorescent techniques, [more]Immunoassay - Community and Resources

Noun
1. identification of a substance (especially a protein) by its action as an antigen; "PSA in the blood can be measured with an immunochemical assay"
(synonym) immunochemical assay
(hypernym) bioassay
(hyponym) radioimmunoassay

A test that uses the binding of antibodies to antigens to identify and measure certain substances. Immunoassays may be used to diagnose disease. Also, test results can provide information about a disease that may help in planning treatment (for example, when estrogen receptors are measured in breast cancer).

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B: (Biologi) imunoasai
Built to Babylon by Hikmat Gumilar Visit my Website;