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Issue 7, 2006
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Energy transfer in photosynthesis: experimental insights and quantitative models

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Abstract

We overview experimental and theoretical studies of energy transfer in the photosynthetic light-harvesting complexes LH1, LH2, and LHCII performed during the past decade since the discovery of high-resolution structure of these complexes. Experimental findings obtained with various spectroscopic techniques makes possible a modelling of the excitation dynamics at a quantitative level. The modified Redfield theory allows a precise assignment of the energy transfer pathways together with a direct visualization of the whole excitation dynamics where various regimes from a coherent motion of delocalized exciton to a hopping of localized excitations are superimposed. In a single complex it is possible to observe the switching between these regimes driven by slow conformational motion (as we demonstrate for LH2). Excitation dynamics under quenched conditions in higher-plant complexes is discussed.

Graphical abstract: Energy transfer in photosynthesis: experimental insights and quantitative models

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Article information


Submitted
05 Oct 2005
Accepted
24 Nov 2005
First published
08 Dec 2005

Phys. Chem. Chem. Phys., 2006,8, 793-807
Article type
Invited Article

Energy transfer in photosynthesis: experimental insights and quantitative models

R. van Grondelle and V. I. Novoderezhkin, Phys. Chem. Chem. Phys., 2006, 8, 793
DOI: 10.1039/B514032C

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