Medical term:

immunoassay


immunoassay

 [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 fluoroimmunoassay.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

im·mu·no·as·say

(im'yū-nō-as'ā, im-yū'nō),
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.
See also: enzyme-linked immunosorbent assay, radioimmunoassay, radioimmunoelectrophoresis, immunologic pregnancy test.
Synonym(s): immunochemical assay
Farlex Partner Medical Dictionary © Farlex 2012

immunoassay

(ĭm′yə-nō-ăs′ā, ĭ-myo͞o′-)
n.
A laboratory technique that identifies and quantifies a protein, such as a hormone or an enzyme, based on its ability to act as an antigen or antibody in a chemical reaction.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

immunoassay

Lab medicine Any assay that measures an antigen-antibody response, the sensitivity of which varies according to the method; an immunologic test that quantifies a particular antigen using a cognate antibody. See ELISA, RIA.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

im·mu·no·as·say

(im'yū-nō-as'ā)
Detection and assay of substances by serologic (immunologic) methods.
See also: radioimmunoassay, radioimmunoelectrophoresis, immunologic pregnancy test
Synonym(s): immunochemical assay.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

immunoassay

A method of testing for, and measuring the concentration of, various antibodies. Various methods, including RADIOIMMUNOASSAY, enzyme linked immunosorbent assay (ELISA) and immunoelectrophoresis may be used.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

immunoassay

an assay of a substance that is based on its reaction with a specific ANTIBODY. See, for example, ELISA.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

im·mu·no·as·say

(im'yū-nō-as'ā)
Detection and assay of substances by serologic (immunologic) methods; in most applications substance in question serves as antigen, both in antibody production and in measurement of antibody by the test substance.
Medical Dictionary for the Dental Professions © Farlex 2012

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