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PICOSECOND LASER PHOTOLYSIS STUDIES OF FLUORESCENCE QUENCHING MECHANISMS OF FLAVIN: A DIRECT OBSERVATION OF INDOLE‐FLAVIN SINGLET CHARGE TRANSFER STATE FORMATION IN SOLUTIONS and FLAVOENZYMES
Author(s) -
Karen Akiya,
Ikeda Noriaki,
Mataga Noboru,
Tanaka Fumio
Publication year - 1983
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1983.tb04507.x
Subject(s) - flavin group , photochemistry , quenching (fluorescence) , picosecond , chemistry , indole test , flavoprotein , singlet state , photodissociation , fluorescence , ultrafast laser spectroscopy , riboflavin , laser , excited state , stereochemistry , organic chemistry , optics , atomic physics , physics , enzyme , biochemistry
Formation of singlet charge transfer (heteroexcimer) states in the course of the fluorescence quenching of lumiflavin and riboflavin tetrabutyrate by indole and N‐methylindole have been directly observed by means of time‐resolved absorption spectral measurements using a picosecond laser photolysis method. Similar transient spectra have been observed also in the case of a flavoenzyme, D‐amino acid oxidase.