Damping of oscillations in the semiquinone absorption in reaction centers after successive flashes determination of the equilibrium between Q(-)AQB and QAQ(-)B.


A quantitative model for the damping of oscillations of the semiquinone absorption after successive light flashes is presented. It is based on the equilibrium between the states Q(A)-Q(B) and Q(A) Q(-B). A fit of the model to the experimental results obtained for reaction centers from Rhodopseudomonas sphaeroides gave a value of α = [Q(A)-Q(B)I/(IQ(A)-Q(Bl… (More)


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