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- n. the photoexcitation of a molecular entity (normally associated with a biomolecule) in order to attach a label
Sorry, no etymologies found.
Biochemistry, 27, 150-155 (1988)  De Waal, A.; Hartog, A.F.; de Jong, L.: Localisation and quantification of the 2-oxoglutarate binding sites of prolyl 4-hydroxylase by photoaffinity label - ing with tritiated 5-azidopyridine-2-carboxylic acid.