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Vibrational Relaxation in Carotenoids in vivo and in vitro: Picosecond Time-Resolved Anti-Stokes Resonance Raman Spectroscopy

  • H. Hayashi
  • T. Brack
  • T. Noguchi
  • M. Tasumi
  • G. H. Atkinson
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 68)

Abstract

The transient population of excited electronic states in carotenoids is a fundamental part of the photophysical mechanism by which carotenoids contribute to the biochemical function of the pigment-protein complexes in photosynthetic organella. Whereas the roles of electronic state in the overall relaxation mechanism have begun to emerge [1], the contributions and even the presence of vibrationally-excited levels in the relaxation mechanism has remained largely unexplored. In this study, the vibrationally-excited populations in the in vivo and in vitro carotenoids are examined in real time using picosecond time-resolved anti-Stokes resonance Raman scattering.

Keywords

Relaxation Mechanism Excited Electronic State Probe Laser Vibrational Relaxation Resonance Raman Spectrum 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    H. Hayashi, T. Noguchi, M. Tasumi, G. H. Atkinson: Biophys. J., in press.Google Scholar
  2. 2.
    H. Hayashi, M. Tasumi, G. H. Atkinson: Chem. Phys. Lett. 178, 388 (1991)CrossRefADSGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1992

Authors and Affiliations

  • H. Hayashi
    • 1
    • 2
  • T. Brack
    • 1
  • T. Noguchi
    • 1
    • 2
  • M. Tasumi
    • 2
  • G. H. Atkinson
    • 1
  1. 1.Department of Chemistry and Optical Science CenterUniversity of ArizonaTucsonUSA
  2. 2.Department of Chemistry, Faculty of ScienceThe University of TokyoBunkyo-ku, Tokyo 113Japan

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