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Conferences > UP > 2014 > 07.Mon.P1 > 07.Mon.P1.12

A Regulation of Energy Flow in Purple Bacterial Photosynthetic Antennas

D. Kosumi, S. Maruta, R. Fujii, M. Sugisaki, S. Takaichi, R. J. Cogdell, and H. Hashimoto

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Abstract

Ultrafast energy transfer dynamics in photosynthetic antennas were investigated by femtosecond pump-probe measurements. Photo-excited carotenoids with short-polyene chains efficiently transfer energy to bacteriochlorophylls, while the energy rapidly dissipates to carotenoids in antennas containing longer carotenoids.

© 2014 Optical Society of America

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