Author:
Yoshizawa Masayuki,Nakamura Ryosuke,Yoshimatsu Orihiro,Abe Kenta,Sakai Shunsuke,Nakagawa Katsunori,Fujii Ritsuko,Nango Mamoru,Hashimoto Hideki
Abstract
Vibrational dynamics of the excited state in the light-harvesting complex (LH1) have been investigated by femtosecond stimulated Raman spectroscopy (FSRS). The native and reconstituted LH1 complexes have same dynamics. The ν(1) (C=C stretching) vibrational mode of spirilloxanthin in LH1 shows ultrafast high-frequency shift in the S(1) excited state with a time constant of 0.3 ps. It is assigned to the vibrational relaxation of the S(1) state following the internal conversion from the photoexcited S(2) state.
Publisher
Polskie Towarzystwo Biochemiczne (Polish Biochemical Society)
Subject
General Biochemistry, Genetics and Molecular Biology
Cited by
7 articles.
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