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1996[X]
1Author    K. Burda, G. H. SchmidRequires cookie*
 Title    On the Determination of the 5-State Distribution in the Kok Model  
 Abstract    We use the Markow chain theory to analyze the oscillation pattern of oxygen evolution during water oxidation in photosystem II under short saturating light flashes. We propose a method based on the standard least square deviation (test x 2) to determine the number of 5-states in the Kok model. As pointed out by Burda et al. (1995) this information is amongst others important for the interpretation of the role of calcium for oxygen evolution. A specific mathematical representation for a situation when the S4 state is longer living than generally assumed is introduced which requires an explicit extension of the Kok model to five states. The higher stability is modelled by introducing additional decay channels, e.g. a nonvanishing probability for the transition of S3 to the 5() state and a further transition probability for the transition from S3 to 5 4. Our analysis is extended to the case of damped oscillations of oxygen evolution caused, for example, by the lack of electron acceptor or the short life time of photosystem II particles. 
  Reference    Z. Naturforsch. 51c, 329—341 (1996); received O ctober 23/D ecem ber 5 1995 
  Published    1996 
  Keywords    0 2-Evolution, o-and ^-Analysis, Transition Probabilities, Cyanobacteria, Tobacco, Chlorella 
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 TEI-XML for    default:Reihe_C/51/ZNC-1996-51c-0329.pdf 
 Identifier    ZNC-1996-51c-0329 
 Volume    51