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ERDA Contract E(11-1)-3162 Annual Progress Report: 1975-1976

Description: Measurements of the quantum efficiencies of photochemistry and fluorescence, in photosynthetic reaction centers from Rhodopseudomonas sphaeroides, have been extended to low temperatures. Studies of linear dichroism in oriented fragments of photosynthetic membranes have revealed the orientations of bacteriochlorophyll and other pigments, both in the ''antenna'' and in the reaction centers. New measurements of absorbance changes associated with reduced components in reaction centers will hopefully allow one to trace the movement of electrons from primary to secondary acceptors. An attempt is being made to use these materials in the construction of a solar battery. The spectrum and quantum efficiency of fluorescence from bacteriorhodopsin was measured.
Date: Autumn 1976
Creator: Clayton, R. K.