Radioimmunoassay — (RIA) is a scientific method used to test antigens (for example, hormone levels in the blood) without the need to use a bioassay. It was developed by Rosalyn Yalow and Solomon Aaron Berson in the 1950s. [Yalow RS, Berson SA. Immunoassay of… … Wikipedia
radioimmunoassay — ☆ radioimmunoassay [rā′dē ōim΄yoo nō as′ā, rā′dē ō im΄yoo nōa sā′ ] n. the technique of immunoassay in which radioactive tracers are introduced into the substance to be analyzed … English World dictionary
Radioimmunoassay — Ein Radioimmunoassay (RIA) ist eine Labormethode zur quantitativen Bestimmung kleinster Substanzmengen. Kleine Konzentrationen von Hormonen, Enzymen, Tumorantigenen, Infektionsantigenen, Arzneimitteln und DNA können mit dieser… … Deutsch Wikipedia
radioimmunoassay — noun Date: 1961 immunoassay of a substance that has been radioactively labeled • radioimmunoassayable adjective … New Collegiate Dictionary
radioimmunoassay — (RIA; ra de o im u no as a) A very sensitive assay technique that uses a purified radioisotope labeled antigen or antibody to compete for antibody or antigen with unlabeled standard and samples to determine the concentration of a substance in the … Dictionary of microbiology
radioimmunoassay — Any system for testing antigen antibody reactions in which use is made of radioactive labelling of antigen or antibody to detect the extent of the reaction … Dictionary of molecular biology
radioimmunoassay — noun A procedure that uses the binding of a radioactively labeled substance to an antibody in order to analyze minute amounts of biological compounds … Wiktionary
Radioimmunoassay — A very sensitive, specific laboratory test (assay) using radiolabeled (and unlabeled) substances in an immunological (antibody antigen) reaction. * * * An immunologic (immunochemical) procedure that uses the competition between radioisotope… … Medical dictionary
Radioimmunoassay — Ra|di|o|im|mu|no|as|say 〈[ əsɛı] n.; Gen.: s, Pl.: s; Chemie〉 Verfahren der analyt. Immunchemie, bei dem mithilfe eines radioaktiv markierten Antigens od. Antikörpers eine Immunreaktion erzeugt wird, die Schlüsse auf die Qualität u. Quantität der … Lexikalische Deutsches Wörterbuch
radioimmunoassay — noun Medicine a technique for measuring antibody levels using radioactively labelled antigens … English new terms dictionary