Picosecond Chlorophyll Fluorescence from Higher Plants

  • Steven W. Mccauley
  • Edith Bittersmann
  • Marc Mueller
  • Alfred R. Holzwarth


Light energy absorbed by a Ch1 molecule creates an exciton which can produce photochemistry, heat or fluorescence. Fluorescence lifetime measurements have demonstrated that the observed fluorescence is a sum of several lifetime components. We present evidence that:
  1. 1)

    The fluorescence lifetimes are trap-limited in both PSI and PSII

  2. 2)

    PSII fluorescence decays with biexponential kinetics

  3. 3)

    Separate fluorescence lifetime components can be observed from PSII-alpha and PSII-beta



Fluorescence Lifetime Lifetime Component Fluorescence Emis Sion Peak PSII Fluorescence Decay Associate Spectrum 
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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • Steven W. Mccauley
    • 1
  • Edith Bittersmann
    • 1
  • Marc Mueller
    • 1
  • Alfred R. Holzwarth
    • 1
  1. 1.Max Planck Institut fuer StrahlenchemieMuelheim a.d. RuhrF.R. Germany

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