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tr.v. ra·di·o·la·beled, ra·di·o·la·bel·ing, ra·di·o·la·bels or ra·di·o·la·belled or ra·di·o·la·bel·ling
To tag (a hormone, enzyme, or other substance) with a radioactive tracer.
A radioactive isotope used as a tracer; a radiotracer.
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.


(ˌraɪdɪəʊˈleɪbəl) chem
a radioactive marker, tracer, or label
vb (tr)
to add a radioactive marker, tracer, or label to
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈleɪ bəl)

n., v. -beled, -bel•ing (esp. Brit.) -belled, -bel•ling. n.
1. an inscribed slip of paper, cloth, or other material, for attachment to something to indicate its manufacturer, nature, ownership, destination, etc.
2. a short word or phrase descriptive of a person, group, intellectual movement, etc.
3. a word or phrase indicating that what follows belongs in a particular category or classification, as the word Physics before a dictionary definition.
4. a brand or trademark, esp. of a manufacturer.
5. the manufacturer using such a label.
7. a molding or dripstone over a door or window.
8. a radioactive or heavy isotope incorporated into a molecule for use as a tracer.
9. a narrow horizontal heraldic band with downward extensions.
10. Obs. a strip or narrow piece of anything.
11. to affix a label to; mark with a label.
12. to designate or describe by or on a label.
13. to put in a certain class; classify.
14. to incorporate a radioactive or heavy isotope into (a molecule) in order to make traceable.
[1275–1325; Middle English < Middle French: ribbon, probably < Germanic]
la′bel•er, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Two of the company's lead candidates, naxitamab and radiolabeled 131I-omburtamab, have exhibited positive results in patients with neuroblastoma.
Palatin Technologies announced positive results of a micro-dose study of radiolabeled PL-8177 using an oral, delayed-release, polymer formulation.
The partnership covers the evaluation of Merck KGaA first-in-class folate derivatives as radiolabeled diagnostic and therapeutic agents for the treatment of serious oncological folate receptor-positive diseases.
Behe et al., "Radiolabeled Peptides for Targeting Cholecy stokinin-B/Gastrin Receptor-Expres sing Tumors," Journla of Nuclear Medicine, no.
Extraction and Chromatographic Separation of Radiolabeled Sphingolipids.
Chrastina and Schnitzer have radiolabeled AgNPs with [sup.125]I to track the in vivo tissue uptake of AgNPs after systemic administration by biodistribution analysis and SPECT imaging.
However, modern APIs and their delivery methods are becoming increasingly more complex resulting in synthetic challenges for making these radiolabeled products.
A selected radiolabeled (Mo)Abs, including fragment, can deliver high therapeutic radiation dose to cancer cells while minimizing the exposure of normal cells by selective interaction to cancer-associated antigens on tumor cell surface [2, 3].
FF-21101(90Y) is a combination agent containing a monoclonal antibody against P-cadherin radiolabeled with Yttrium-90 (90Y).
This upregulation enables the use of radiolabeled peptides for the differentiation between tumor and normal tissues by molecular imaging.