What are the benefits of bound (protonation) states for the electron-transfer kinetics?

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dc.creatorMatyushov, Dmitry V.
dc.date2007-10-15
dc.date.accessioned2026-07-07T08:36:26Z
dc.date.available2026-07-07T08:36:26Z
dc.descriptionWe describe a model of electron transfer reactions affected by local binding to the donor or acceptor sites of a particle in equilibrium with the solution. The statistics of fluctuations of the donor-acceptor energy gap caused by binding/unbinding events are non-Gaussian, and the resulting free energy surfaces of electron transfer are non-parabolic. The band-width of the charge-transfer optical transition is predicted to pass through a maximum as a function of the concentration of binding particles in the solution. The model is used to rationalize recent observations of pH-dependence of electron transfer rates involving changes in the protonation state of the donor-acceptor complex.
dc.description7 pages, 6 figures
dc.identifierhttps://arxiv.org/abs/0710.2875
dc.identifierhttp://arxiv.org/abs/0710.2875
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/140065
dc.subjectBiological Physics
dc.subjectChemical Physics
dc.titleWhat are the benefits of bound (protonation) states for the electron-transfer kinetics?
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