Radioimmunoassay meaning

rā'dē-ō-ĭm'yə-nō-ăs'ā, -ĭm-yo͝o'-
A procedure that measures minute amounts of a substance, such as a hormone or drug, by quantitating the binding, or the inhibition of binding, of a radiolabeled substance to an antibody.
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The technique of immunoassay in which radioactive tracers are introduced into the substance to be analyzed.
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A technique used to quantitate minute amounts of a substance, such as a hormone, in blood or another liquid. It involves the use of radioisotopes and of antibodies to the substance being investigated.
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An immunoassay in which the substance to be identified or quantified is labelled with a radioactive substance (called a tracer ), such as an ion.
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A procedure that uses the binding of a radioactively labeled substance to an antibody in order to analyze minute amounts of biological compounds.
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To assay by this process.
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Origin of radioimmunoassay