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Label

From Biology-Online Dictionary
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Label

1. To incorporate into a compound a substance that is readily detected, such as a radionuclide, whereby its metabolism can be followed or its physical distribution detected.

2. The substance so incorporated. Distinguish (as a compound or molecule) by introducing a labeled atom.Distinguish (an element or atom) by using a radioactive isotope or an isotope of unusual mass for tracing through chemical reactions.A brief description given for purposes of identification; the label Modern is applied to many different kinds of architecture.A radioactive isotope that is used in a compound in order to trace the mechanism of a chemical reaction.Any distinguishing feature of a substance or organism that can allow the monitoring of it, such as the half Life of a carbon isotope.