Effect of the donor-bridge energy gap on the electron-transfer mechanism in donor-bridge-acceptor systems

Article Abstract:

A modified on the fly filtered propagator which has important path integral formalism is used to investigate the effect of the energy gap between donor and bridge states in the electron transfer of a double mutant photosynthetic purple bacterial reaction center. The tight binding donor bridge acceptor model has three mechanisms, which coexist for a wide range of donor bridge energy gap values.

Science & research, Research, Electric properties, Bacteria, Photosynthetic, Photosynthetic bacteria, Electron donor-acceptor complexes

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Electron transfer through H-bonded peptide assemblies

Article Abstract:

The synthesis and characterization of a series of ferrocene (Fc-) and cystamine (CSA) peptides of the sequence [Fc-(Pro-Pro-Gly)n-CSA]2, where n=1-3 is conducted. Circular dichroism studies suggest significant parallels in the structure of the Fc-labeled peptide assemblies.

Peptides, Hydrogen bonding, Hydrogen bonds, Structure, Chemical properties

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