In vivo energy transfer studies in photosynthetic systems by subpicosecond timing

A. P. Shreve; Jay K. Trautman; T. G. Owens; Harry A. Frank; Andreas C. Albrecht

doi:10.1117/12.57286

1 May 1991 In vivo energy transfer studies in photosynthetic systems by subpicosecond timing

A. P. Shreve, Jay K. Trautman, T. G. Owens, Harry A. Frank, Andreas C. Albrecht

Proceedings Volume 1403, Laser Applications in Life Sciences; (1991) https://doi.org/10.1117/12.57286
Event: Laser Applications in Life Sciences, 1990, Moscow, Russian Federation

Abstract

New fennosecond energy transfer measurements in the light harvesting complex of Rhodobacter sphaeroides 2. 4. 1 are reported. It is found that at room tremperature the time for the B800-to-B850 energy transfer is 0. 7 ps. In addition new in vivo and in vitro femtosecond transient absorption studies and fluorescence quantum yield measurements of the carotenoid spheroidene indicate that carotenoid to bacteriochiorophyll energy transfer may take place not only from the carotenoid Si state but also from the S2 state. 1.

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A. P. Shreve, Jay K. Trautman, T. G. Owens, Harry A. Frank, and Andreas C. Albrecht "In vivo energy transfer studies in photosynthetic systems by subpicosecond timing", Proc. SPIE 1403, Laser Applications in Life Sciences, (1 May 1991); https://doi.org/10.1117/12.57286

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