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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.


(ˌraɪdɪəʊˈleɪbəl) chem
a radioactive marker, tracer, or label
vb (tr)
to add a radioactive marker, tracer, or label to


(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.
References in periodicals archive ?
Xceleron's use of microtracers and AMS detection technology complements Pharmaron's existing platforms of radiolabelled compound manufacturing and radiolabelled metabolism operated in the United Kingdom.
Provision of drugs, radiopharmaceuticals, generators, precursors, kits Tc radiolabelled 99- m or Y90 and accessories
Quotient's OncoADME service employs the company's real-time adaptive manufacturing approach to supply 14C radiolabelled drug products to specialist oncology clinics globally.
The firm's radiolabelling division develops C-14 radiolabelled compounds for a global customer base, including both the life sciences and chemical industries.
Clinical translation of radiolabelled monoclonal antibodies and peptides.
Ubichem, UK, a leading provider of chemistry services to the drug development sector, through its Hungarian operation, Ubichem Research - has successfully completed a regulatory inspection and is now approved for the supply of cGMP radiolabelled Active Pharmaceutical Ingredients (APIs).
Additionally, one poster presented results from a scintigraphy study utilizing a radiolabelled solution of ciclesonide nasal aerosol, which provided information on nasal cavity retention as measured by radioactivity after two minutes (Poster #339).
27 November 2013 - US precision diagnostic radiopharmaceuticals developer Navidea Biopharmaceuticals Inc (NYSEMKT:NAVB) said on Tuesday it will partner with the University of Alabama at Birmingham on a study to assess the safety and activity of a radiolabelled, humanised monoclonal antibody (Mab) from its RIGS Monoclonal Antibody Targeting technology.
Xendo Drug Development BV, a European CRO, has entered into a collaboration with QPS LLC, under which the two companies will partner to conduct and support early phase human radiolabelled studies.
ThromboView uses radiolabelled antibodies to locate blood clots in the body.
ONGAR, England -- Selcia has successfully completed 14C radiolabelled API projects on behalf of a diverse range of clients for phase 1 human trials, following MHRA GMP Certification in September 2010.
Chiltern International and Charles River Laboratories have entered into a collaboration under which Chiltern Early Phase will partner with Charles River to conduct and support radiolabelled studies.