Singlet-triplet Fission of Carotenoid Excitation in the Purple Phototrophic Bacteria Thermochromatium tepidum.
Dokl Biochem Biophys
; 485(1): 135-137, 2019 Mar.
Article
em En
| MEDLINE
| ID: mdl-31201634
ABSTRACT
Singlet fission of carotenoid excitation is studied in purple phototrophic bacterium Thermochromatium tepidum. Using time-resolved EPR and magnetic field-induced modulation of fluorescence yield it is shown that the concept of intramolecular excitation fission developed in a number of publications is not supported by the experimental results. The obtained data favor intermolecular fission mechanism involving two carotenoid molecules.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Carotenoides
/
Chromatiaceae
/
Fluorescência
Idioma:
En
Ano de publicação:
2019
Tipo de documento:
Article