competitive binding assay

Medical Dictionary

competitive binding assay com·pet·i·tive bind·ing assay (kəm-pět'ĭ-tĭv bīn'dĭng)
n.
An assay in which a biologically specific binding agent competes for radioactively labeled or unlabeled compounds, used especially to measure the concentration of hormone receptors in a sample by introducing a radioactively labeled hormone.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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