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SYLS: Life Sciences on the Nanometer Scale - Physics Meets Biology

SYLS 3: Symposium "Life Sciences on the Nanometer Scale - Physics Meets Biology"

SYLS 3.52: Poster

Mittwoch, 10. März 2004, 16:00–18:30, B

Charge Transfer Kinetics of Individual Photosystem I Reaction Centers — •Alexandra Elli, Fedor Jelezko, and Joerg Wrachtrup — 3. Physikalisches Institut, Universitaet Stuttgart, Pfaffenwaldring 57, D-70550 Stuttgart

The charge separation in single reaction center Photosystem I has been investigated. The fluorescence of the red-most group of antenna chlorophylls has been used as a sensor of the redox state of reaction center. Cyclic electron recombination from iron-sulfur cluster Fx and reaction center P700 has been observed. Recombination kinetics has been analyzed using fluorescence autocorrelation approach.