Journal of Photoscience
- Volume 9 Issue 2
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- Pages.122-125
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- 2002
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- 1225-8555(pISSN)
The Role of Vibrational Coherency in Ultrafast Reaction Dynamics of PYP
- Chosrowjan, Haik (Institute for Laser Technology, c/o Technical Research Center) ;
- Mataga, Noboru (Institute for Laser Technology, c/o Technical Research Center) ;
- Taniguchi, Seiji (Institute for Laser Technology, c/o Technical Research Center) ;
- Shibata, Yutaka (Department of Physics, Graduate School of Science, Nagoya University) ;
- Hamada, Norio (Department of Earth and Space Science, Graduate School of Science, Osaka University) ;
- Tokunaga, Fumio (Department of Earth and Space Science, Graduate School of Science, Osaka University) ;
- Imamoto, Yasushi (Graduate School of Materials Science, Nara Institute of Science and Technology) ;
- Kataoka, Mikio (Graduate School of Materials Science, Nara Institute of Science and Technology)
- Published : 2002.08.01
Abstract
Coherent oscillations in is fluorescence dynamics of W.-t. PYP and its site-directed mutants have been observed. Two oscillatory modes coupled with the ultrafast fluorescence due to the twisting of the excited chromophore were identified, a high ftequency mode (∼135 cm
Keywords
- femtosecond fluorescence spectroscopy;
- coherent oscillations;
- photoactive yellow protein;
- photoisomerization;
- mutants;
- analogues