radioimmunoassay

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ra·di·o·im·mu·no·as·say

 (rā′dē-ō-ĭm′yə-nō-ăs′ā, -ĭm-yo͞o′-)
n. Abbr. RIA
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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

radioimmunoassay

(ˈreɪdɪəʊˌɪmjʊnəʊˈæseɪ)
n
(Medicine) a sensitive immunological assay, making use of antibodies and radioactive labelling, for the detection and quantification of biologically important substances, such as hormone concentrations in the blood
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ra•di•o•im•mu•no•as•say

(ˌreɪ di oʊˌɪm yə noʊˈæs eɪ, -æˈseɪ, -ɪˌmyu-)

n.
a test procedure that integrates immunologic and radiolabeling techniques to measure minute quantities of a substance, as a drug, in a given sample of body fluid or tissue.
[1960–65]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.radioimmunoassay - immunoassay of a substance that has been radioactively labeled
immunoassay, immunochemical assay - identification of a substance (especially a protein) by its action as an antigen; "PSA in the blood can be measured with an immunochemical assay"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

ra·di·o·im·mu·no·as·say

n. radioinmunoensayo, prueba para determinar la concentración de suero de proteína como una reacción a la injección de una sustancia radioactiva.
English-Spanish Medical Dictionary © Farlex 2012