radioactive tag

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1. a small appendage, flap, or polyp.
2. label.
radioactive tag radioactive label.

radioactive tag

A radioactive isotope that is incorporated into a chemical or organic material to allow its detection in metabolic or chemical processes. Synonym: radiolabel
See also: tag
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References in periodicals archive ?
Also, the radioactive tags can be hazardous to use.
Ashton RE: Tracking with radioactive tags. In Measuring and Monitoring Biological Diversity: Standard Methods for Amphibians (Donnelly MA, McDiarmid RW, Hayek LC, and Foster MS, Ed.).
Researchers can tell which standard fragments have attached themselves to fragments of the unknown DNA by using a photoimager to read the radioactive tags, which appear as minute dots.

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