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On the Energetics of the States 1P*, 3P* and P+H− in Reaction Centers of Rb. sphaeroides

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The Photosynthetic Bacterial Reaction Center

Part of the book series: NATO ASI Series ((NSSA,volume 149))

Abstract

Magnetic field dependent recombination measurements together with magnetic field dependent triplet lifetimes [Chidsey et al. (1985), Proc. Natl. Acad. Sci USA 82, 6850] allowed the determination of the free energy change ΔG(P+H−−3P*) = 0.15–0.16 eV between 185K–290K. This value being (almost) temperature independent indicates ΔG(P+H−−3P*) ≃ ΔH(P+H−−3P*) and is consistent with ΔG(1P*−P+H−) and ΔH(1P*−3P*) from previous delayed fluorescence and phosporescence data implying ΔG ≃ ΔH for all combinations of these states.

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Authors and Affiliations

  1. Institut für Physikalische und Theoretische Chemie, Technische Universität München, Lichtenbergstr. 4, 8046, Garching, Germany

    A. Ogrodnik, M. Volk & M. E. Michel-Beyerle

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  1. A. Ogrodnik
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  2. M. Volk
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  3. M. E. Michel-Beyerle
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Editor information

Editors and Affiliations

  1. CEN Saclay, Gif-sur-Yvette, France

    Jacques Breton

  2. ARBS, CEN Cadarache, Saint Paul lez Durance, France

    André Verméglio

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© 1988 Springer Science+Business Media New York

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Ogrodnik, A., Volk, M., Michel-Beyerle, M.E. (1988). On the Energetics of the States 1P*, 3P* and P+H− in Reaction Centers of Rb. sphaeroides . In: Breton, J., Verméglio, A. (eds) The Photosynthetic Bacterial Reaction Center. NATO ASI Series, vol 149. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-0815-5_19

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  • DOI: https://doi.org/10.1007/978-1-4899-0815-5_19

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4899-0817-9

  • Online ISBN: 978-1-4899-0815-5

  • eBook Packages: Springer Book Archive

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