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Dielectric Relaxation on a Picosecond Time-scale at 77K; a time-resolved Stark fluorescence study on the LH2 B800-820 complex of Rps. acidophila

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Photosynthesis: Mechanisms and Effects

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Abstract

The technique of electric field induced (Stark) absorbance and fluorescence difference spectroscopy has proven to be very successful in accessing the properties of the excited states of photosynthetic complexes [1]. The framework for interpreting the Stark effect as it has been developed for the bacterial reaction center [2] has been shown to be also useful for bacterial Light Harvesting complexes[3,4]. The B850 BChl’s of LH2 complexes are all characterised by a high difference dipole moment and giant difference polarizability between ground and exited state. Also a considerable amount of loss of dipole strength has been found [3].

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References

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Authors and Affiliations

  1. Department of Physics and Astronomy, Institute of Molecular Biological Sci­ences, Vrije Universiteit, 1081 HV, Amsterdam, The Netherlands

    R. N. Frese, B. Gobets, I. H. M. van Stokkum, R. van Grondelle & F. van Mourik

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  1. R. N. Frese
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  2. B. Gobets
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  3. I. H. M. van Stokkum
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  4. R. van Grondelle
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  5. F. van Mourik
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Editors and Affiliations

  1. Biological Research Center, Hungarian Academy of Sciences, Szeged, Hungary

    G. Garab

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© 1998 Springer Science+Business Media Dordrecht

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Frese, R.N., Gobets, B., van Stokkum, I.H.M., van Grondelle, R., van Mourik, F. (1998). Dielectric Relaxation on a Picosecond Time-scale at 77K; a time-resolved Stark fluorescence study on the LH2 B800-820 complex of Rps. acidophila. In: Garab, G. (eds) Photosynthesis: Mechanisms and Effects. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3953-3_9

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  • DOI: https://doi.org/10.1007/978-94-011-3953-3_9

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-0-7923-5547-2

  • Online ISBN: 978-94-011-3953-3

  • eBook Packages: Springer Book Archive

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