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. 1975 Jun 27;188(4195):1301-4.
doi: 10.1126/science.188.4195.1301.

Picosecond kinetics of events leading to reaction center bacteriochlorophyll oxidation

K J Kaufmann, P L Dutton, T L Netzel, J S Leigh, P M Rentzepis

Picosecond kinetics of events leading to reaction center bacteriochlorophyll oxidation

K J Kaufmann et al. Science. .

Abstract

A transient absorption spectrum has been measured in Rhodopseudomonas spheroides R26 reaction centers. Its salient features indicate that both the bacteriopheophytin and bacteriochlorophyll chromophores play a role in the excited state. Decay of this state yields a rise time for oxidation of the reaction center complex of about 150 picoseconds.

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