Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Mitsuru Sugisaki"'
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 313:72-78
Vibrational dynamics of the photosynthetic pigment chlorophyll a in solution have been investigated by degenerated three-pulse four-wave mixing spectroscopies (transient grating and photon echo) using 20 fs pulses. Real-time wave-packet motions of in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe5d76f415ede08fe63420e6dc8bc37f
https://doi.org/10.1016/j.jphotochem.2015.06.025
https://doi.org/10.1016/j.jphotochem.2015.06.025
Autor:
Takayuki Kajikawa, Satoshi Okumura, Daisuke Kosumi, Shigeo Katsumura, Hideki Hashimoto, Koki Yano, Kazuhiko Sakaguchi, Mitsuru Sugisaki
Publikováno v:
Chemical Physics Letters. 602:75-79
Ultrafast excited state dynamics of the short fucoxanthin homolog with four conjugated double bonds and its allene-modified analog in various solvents have been studied by femtosecond pump-probe spectroscopy. The results clarified that the short fuco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9274e1f10927c9844dc4fa68434e339c
https://doi.org/10.1016/j.cplett.2014.04.022
https://doi.org/10.1016/j.cplett.2014.04.022
Publikováno v:
Photosynthesis Research. 121:61-68
Fucoxanthin, containing a carbonyl group in conjugation with its polyene backbone, is a naturally occurring pigment in marine organisms and is essential to the photosynthetic light-harvesting function in brown alga and diatom. Fucoxanthin exhibits op
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::718cdc75aa78115c0e741f1be7eb911d
https://doi.org/10.1007/s11120-014-9995-6
https://doi.org/10.1007/s11120-014-9995-6
Autor:
Hideki Hashimoto, Satoshi Okumura, Daisuke Kosumi, Kazuhiko Sakaguchi, Mitsuru Sugisaki, Shigeo Katsumura, Takayuki Kajikawa
Publikováno v:
The Journal of Physical Chemistry Letters. 5:792-797
Fucoxanthin is an essential pigment for the highly efficient light-harvesting function of marine algal photosynthesis. It exhibits excited state properties attributed to intramolecular charge transfer (ICT) in polar environments due to the presence o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::745c2bed23ed5644ecc9cde672423ba1
https://doi.org/10.1021/jz5000287
https://doi.org/10.1021/jz5000287
Publikováno v:
Journal of Physics: Conference Series. 1220:012043
Anti-Stokes fluorescence from chlorophyll a molecules dispersed in diethyl ether has been observed. From the excitation power dependence of the fluorescence spectrum, it is concluded that the anti-Stokes fluorescence appears via the linear optical pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::018e74deb2c4176fc8494f8e9fe906ba
https://doi.org/10.1088/1742-6596/1220/1/012043
https://doi.org/10.1088/1742-6596/1220/1/012043
Publikováno v:
Journal of Physics: Conference Series. 1220:012045
Nonlinear optical responses of β-carotene were investigated upon excitation using chirped pulses. We especially focus on spectrally resolved transient grating (TG) signals to discuss the influence of the spectral chirp over a wide spectral range. A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29c616635678246044a7cc8ded00a863
https://doi.org/10.1088/1742-6596/1220/1/012045
https://doi.org/10.1088/1742-6596/1220/1/012045
Autor:
Toshiyuki Kusumoto, Tomonori Taira, Masahiko Iha, Yuki Takaesu, Naohiro Oka, Hideki Hashimoto, Daisuke Kosumi, Harry A. Frank, Yoshiro Iinuma, Mitsuru Sugisaki, Ritsuko Fujii
Publikováno v:
Journal of Luminescence. 131:515-518
Ultrafast relaxation kinetics of fucoxanthin in polar and non-polar solvents have been studied by femtosecond pump-probe spectroscopy. Transient absorption associated with S 1 or intramolecular charge transfer (ICT) excited state has been observed fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a43d9645f694e0633e98f5d584659e5
https://doi.org/10.1016/j.jlumin.2010.09.018
https://doi.org/10.1016/j.jlumin.2010.09.018
Autor:
Richard J. Cogdell, Satoshi Maruta, Mitsuru Sugisaki, Ritsuko Fujii, Hideki Hashimoto, Daisuke Kosumi, Tomoko Horibe
Publikováno v:
Angewandte Chemie. 123:1129-1132
Reaping a good light harvest: Femtosecond spectroscopy uncovered a novel pathway of singlet-singlet excitation-energy transfer (EET) from bacteriochlorophyll (Bchl) in a purple bacterium to the carotenoid spirilloxanthin (Spx) upon the excitation of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8da30dc3aa35a372f0516278a70cb2ed
https://doi.org/10.1002/ange.201003771
https://doi.org/10.1002/ange.201003771
Autor:
Daisuke Kosumi, Katsuichi Kanemoto, Hideki Hashimoto, Mitsuru Sugisaki, Satoshi Maruta, Ritsuko Fujii
Publikováno v:
physica status solidi c. 8:92-95
Ultrafast excited state dynamics of the photosynthetic pigment bacteriochlorophyll a in solution have been investigated by means of steady-state and time-resolved spectroscopic techniques. Photo-induced absorption spectra were observed upon excitatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d062f18d0312c71beda5b12adf5b6c9d
https://doi.org/10.1002/pssc.201000684
https://doi.org/10.1002/pssc.201000684
Autor:
Mitsuru Sugisaki, Motoaki Yasui, Daisuke Kosumi, Katsuichi Kanemoto, Hideki Hashimoto, Tsutomu Karasawa
Publikováno v:
physica status solidi c. 8:88-91
The photophysics of the regioregular (RR) poly(3-alkylthiophene) (P3AT) films is investigated by cw-photoinduced absorption (PIA) measurements based on bleaching signals. The photoexcitation intensity dependence of the cw-PIA signals demonstrates tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c159bdc543fda16d2a0967badb14e0f0
https://doi.org/10.1002/pssc.201000681
https://doi.org/10.1002/pssc.201000681