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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:
extinguir, amortiguar [la fluorescencia] / extinción, amortiguación [de la fluorescencia]
Reference information: fluorescence quenching
1. a technique used in investigations dealing with binding of antigens (haptens) by purified antibodies, applicable in cases in which the bound antigen (hapten) absorbs (quenches) light emitted during fluorescence of protein (antibody) excited by ultraviolet light.