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Singlet-triplet Fission of Carotenoid Excitation in the Purple Phototrophic Bacteria Thermochromatium tepidum.
- Source :
- Doklady Biochemistry & Biophysics; Mar2019, Vol. 485 Issue 1, p135-137, 3p
- Publication Year :
- 2019
-
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. [ABSTRACT FROM AUTHOR]
- Subjects :
- PHOTOSYNTHETIC bacteria
ANTHOCYANINS
FLUORESCENCE yield
Subjects
Details
- Language :
- English
- ISSN :
- 16076729
- Volume :
- 485
- Issue :
- 1
- Database :
- Complementary Index
- Journal :
- Doklady Biochemistry & Biophysics
- Publication Type :
- Academic Journal
- Accession number :
- 137003162
- Full Text :
- https://doi.org/10.1134/S1607672919020169