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Title: Time-resolved fluorescence studies of isolated photosynthetic reaction centers from chloroflexus-aurantiacus at low-temperatures
Authors: Hucke, M ×
Schweitzer, Gerd
Griebenow, K
Muller, Mg
Holzwarth, Ar #
Issue Date: Jan-1992
Publisher: Iop publishing ltd
Series Title: Institute of physics conference series issue:126 pages:609-612
Abstract: The picosecond fluorescence kinetics of closed (quinone acceptor Q(A) reduced) reaction centers isolated from the phototrophic bacterium C. aurantiacus shows time constants of almost-equal-to 20 ps and almost-equal-to 300 ps (amplitude ratio almost-equal-to 1:1). They are nearly independent of temperature (7K to 80K). Assuming a three-state kinetic model, two assignments of the kinetics to the electron transfer processes seem to be possible. One model includes a reversible electron transfer between P* and H(M), the pheophytin(s) in the M-branch. The other model involves the formation of a monomeric bacteriochlorophyll anion.
ISSN: 0951-3248
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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