radio immunoassay

radioimmunoassay

[rey-dee-oh-im-yuh-noh-as-ey, -a-sey, -i-myoo-]
noun
a test procedure that integrates immunologic and radiolabeling techniques to measure minute quantities of a substance, as a protein, hormone, or drug, in a given sample of body fluid or tissue.

Origin:
1960–65; radio- + immunoassay

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To radio immunoassay
Collins
World English Dictionary
radioimmunoassay (ˈreɪdɪəʊˌɪmjʊnəʊˈæseɪ)
 
n
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 & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

radioimmunoassay ra·di·o·im·mu·no·as·say (rā'dē-ō-ĭm'yə-nō-ās'ā, -ĭ-myōō'-)
n.
Abbr. RIA
The immunoassay of a substance, such as a hormone or an enzyme that has been radiolabeled.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
radioimmunoassay  [%PREMIUM_LINK%]     (rā'dē-ō-ĭm'yə-nō-ās'ā, -ĭm-y'-)  Pronunciation Key 
An immunoassay in which the substance to be identified or quantified is labelled with a radioactive substance (called a tracer), such as an ion. See also immunoassay, tracer.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;