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A. Gorman, G. Lovering, M. Rodgers (1978)
A PULSE RADIOLYSIS STUDY OF THE TRIPLET SENSITIZED PRODUCTION OF SINGLET OXYGEN- DETERMINATION OF ENERGY TRANSFER EFFICIENCIESJournal of the American Chemical Society, 100
P. Mathis, J. Kleo (1973)
THE TRIPLET STATE OF β‐CAROTENE AND OF ANALOG POLYENES OF DIFFERENT LENGTHPhotochemistry and Photobiology, 18
F. Wilkinson, W. Ho (1978)
Electronic Energy Transfer from Sinclet Molecular Oxygen to CarotenoidsSpectroscopy Letters, 11
C. Foote, Y. Chang, R. Denny (1970)
Chemistry of singlet oxygen. XI. Cis-trans isomerization of carotenoids by singlet oxygen and a probable quenching mechanism.Journal of the American Chemical Society, 92 17
J. Baxendale, M. Fiti (1972)
Yield of triplet state benzene in the pulse radiolysis of solutions of some aromaticsJournal of the Chemical Society, Faraday Transactions, 68
(1978)
Single Oxygen-Reactions with Organic Compounds and Polymers
W. Herkstroeter (1975)
Triplet energies of azulene, .beta.-carotene, and ferroceneJournal of the American Chemical Society, 97
P. Merkel, D. Kearns (1972)
Radiationless decay of singlet molecular oxygen in solution. Experimental and theoretical study of electronic-to-vibrational energy transferJournal of the American Chemical Society, 94
A. Farmilo, F. Wilkinson (1973)
ON THE MECHANISM OF QUENCHING OF SINGLET OXYGEN IN SOLUTIONPhotochemistry and Photobiology, 18
T. Truscott, E. Land, A. Sykes (1973)
THE IN VITRO PHOTOCHEMISTRY OF BIOLOGICAL MOLECULES‐III. ABSORPTION SPECTRA, LIFETIMES AND RATES OF OXYGEN QUENCHING OF THE TRIPLET STATES OF β‐CAROTENE, RETINAL AND RELATED POLYENESPhotochemistry and Photobiology, 17
M. Rodgers, D. Foyt, Z. Zimek (1978)
The Effect of Surfactant Micelles on the Reaction between Hydrated Electrons and Dimethyl ViologenRadiation Research, 75
R. Becker, R. Bensasson, J. Lafferty, T. Truscott, E. Land (1978)
Triplet excited states of carbonyl-containing polyenesJournal of the Chemical Society, Faraday Transactions, 74
W. Ware (1962)
OXYGEN QUENCHING OF FLUORESCENCE IN SOLUTION: AN EXPERIMENTAL STUDY OF THE DIFFUSION PROCESSThe Journal of Physical Chemistry, 66
R. Bensasson, E. Land, B. Maudinas (1976)
TRIPLET STATES OF CAROTENOIDS FROM PHOTOSYNTHETIC BACTERIA STUDIED BY NANOSECOND ULTRAVIOLET AND ELECTRON PULSE IRRADIATIONPhotochemistry and Photobiology, 23
B. Lindig, M. Rodgers (1979)
Laser photolysis studies of singlet molecular oxygen in aqueous micellar dispersionsThe Journal of Physical Chemistry, 83
C. Foote (1968)
Photosensitized oxygenations and the role of singlet oxygenAccounts of Chemical Research, 1
Abstract— Triplet‐triplet absorption spectra of a series of carotenoid pigments in benzene solution have been determined by pulse radiolysis experiments. The natural lifetimes in deaerated solution have also been measured. They fall in the range 2–10 µs as found for other carotenoids under similar conditions. Pulsed laser (337 nm) excitation of benzene solutions containing oxygen, carotenoid and a photosensitized molecule (anthracene) showed the generation of absorption spectra of the triplet states. These absorptions decayed by first order kinetics in such a way as to indicate that they were formed in reactions with singlet oxygen, itself generated by interaction with the anthracene triplet state. Bimolecular rate constants for energy transfer from O*2 (1△g), to carotenoid have been evaluated.
Photochemistry & Photobiology – Wiley
Published: Jun 1, 1980
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