Intramolecular Mobility Affects the Energy Migration from Quantum Dots to Reaction Centers of Photosynthesizing Bacterium Rb. sphaeroides
- Autores: Krasilnikov P.M.1, Lukashev E.P.1, Knox P.P.1, Seyfullina N.K.1, Rubin A.B.1
-
Afiliações:
- Biological Faculty, Moscow State University
- Edição: Volume 484, Nº 1 (2019)
- Páginas: 21-24
- Seção: Biochemistry, Biophysics, and Molecular Biology
- URL: https://journals.rcsi.science/1607-6729/article/view/212690
- DOI: https://doi.org/10.1134/S160767291901006X
- ID: 212690
Citar
Resumo
The temperature dependence of the efficiency of energy migration from the CdSe/CdS/ZnS quantum dots (QDs) with a fluorescence maximum at 580 nm to the reaction centers (RCs) of the bacteria Rb. sphaeroides is practically constant over the temperature range from 100 to ~230–240 K but then decreases 2.5–3 times as temperature further increases to 310 K. The analysis on this dependence on the basis of Förster’s theory showed that the major changes in the energy transfer efficiency are associated with the temperature change in the quantum yield of QD fluorescence, which is due to the activation of intramolecular mobility in the RC structure.
Sobre autores
P. Krasilnikov
Biological Faculty, Moscow State University
Email: knox@biophys.msu.ru
Rússia, Moscow, 119234
E. Lukashev
Biological Faculty, Moscow State University
Email: knox@biophys.msu.ru
Rússia, Moscow, 119234
P. Knox
Biological Faculty, Moscow State University
Autor responsável pela correspondência
Email: knox@biophys.msu.ru
Rússia, Moscow, 119234
N. Seyfullina
Biological Faculty, Moscow State University
Email: knox@biophys.msu.ru
Rússia, Moscow, 119234
A. Rubin
Biological Faculty, Moscow State University
Email: knox@biophys.msu.ru
Rússia, Moscow, 119234
Arquivos suplementares
