
1) Bioassay 2) Biochemistry method 3) Immunochemical assay
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1) Radioimmunoassay
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An Immunoassay is a biochemical test that measures the presence or concentration of a macromolecule in a solution through the use of an antibody or immunoglobulin. The macromolecule detected by the immunoassay is often referred to as an `analyte` and is in many cases a protein. Analytes in biological liquids such as serum or urine are frequently.....
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http://en.wikipedia.org/wiki/Immunoassay

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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http://www.cancer.gov/dictionary?expand=I

<investigation> A process that measures and identifies a specific biological substance such as an antigen. ... (09 Oct 1997) ...
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http://www.encyclo.co.uk/local/20973

(im″u-no-as´a) any of several methods for the quantitative determination of chemical substances, such as hormones, drugs, and specific proteins, that utilize the highly specific binding between an antigen or hapten and homologous antibodies, including radioimmunoassay, enzyme immunoassay, and fluoroimmunoass...
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http://www.encyclo.co.uk/local/21001

A technique which detects proteins by using an antibody specific to that protein.
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Type: Term Pronunciation: im′yū-nō-as′ā, im-yū′nō Definitions: 1. Detection and assay of substances by serologic (immunologic) methods; in most applications the substance in question serves as antigen, both in antibody production and in measurement of antibody by the test substance. Synonyms: immunochemica...
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http://www.medilexicon.com/medicaldictionary.php?t=43683

(im;yuu-no-as;a) Any of a number of laboratory or clinical techniques that employ the specific binding between an antigen and its homologous antibody in order to identify and quantify a substance in a sample.
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http://www.mhhe.com/biosci/abio/glossary.mhtml

The measurement of an antigen-antibody interaction utilizing such procedures as immunofluorescence, radioimmunoassay, enzyme immunoassay or other nonradioisotopic techniques. In drug testing, the antigen is a drug or metabolite and its corresponding labeled analog; the antibody is a protein grown in an animal and directed towards a specific drug, m...
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http://www.translationdirectory.com/glossaries/glossary046.htm

[
n] - identification of a substance (especially a protein) by its action as an antigen
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http://www.webdictionary.co.uk/definition.php?query=immunoassay
immunochemical assay noun identification of a substance (especially a protein) by its action as an antigen; `PSA in the blood can be measured with an immunochemical assay`
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https://www.encyclo.co.uk/local/20974

any laboratory method for detecting a substance by using an antibody reactive with it.
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https://www.infoplease.com/dictionary/immunoassay
No exact match found.