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Purpose: It is our goal to create synthetic peptides that bind multiple cofactors such as hemes and bacteriochlorophylls that are suitable for nanotechnology applications. These maquettes will elucidate minimal requirements for a BChl-binding site, and clarify functional properties.Methods: Sequence homologies of bacterial light-harvesting complexes have been used to redesign a synthetic 4-helix bundle...
The free energy of the initial charge separation in bacterial photosynthetic reaction centers has been modified by placing oriented Langmuir-Blodgett films of the purified protein between external electrodes in a planar capacitor and applying a field of nearly 10 6 V/cm. The near-infrared transient absorption changes associated with the decay of the excited state of the bacteriochlorophyll...
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