Abstract
Ultrafast excitation relaxation dynamics and energy transfer processes in the siphonaxanthin (Siph)-containing green alga, Codium fragile, were examined using femtosecond time-resolved fluorescence spectroscopy. Fluorescence anisotropy decay and fluorescence lifetimes clearly indicated that an efficient Siph-to-chlorophyll (Chl) a energy transfer was achieved via the S 1 state of Siph with a time constant of 400 fs. Energy migration times among Chl molecules were also resolved. Siph in the chloroplasts exhibited a new absorption band at approximately 535 nm, and we proposed that this originated from a new excited state (S x ) between the S 2 and S 1 states based on fluorescence anisotropy decay.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
