Förster energy transfer theory as reflected in the structures of photosynthetic light-harvesting systems.

Förster energy transfer theory as reflected in the structures of photosynthetic light-harvesting systems.
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DOI:
10.1002/cphc.201000944
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发表时间:
2011-02-25
期刊:
Chemphyschem : a European journal of chemical physics and physical chemistry
影响因子:
--
通讯作者:
Schulten K
Schulten K
中科院分区:
其他
文献类型:
--
作者:
Şener M;Strümpfer J;Hsin J;Chandler D;Scheuring S;Hunter CN;Schulten K

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福斯特的共振能量转移理论是自然界中一个基本过程的基础,即光合生命形式对阳光的收获。Förster和其他人开发的理论框架描述了电子激发如何在植物,藻类和细菌的光合装置中从光吸收色素迁移到所谓的反应中心,在那里光能被用于最终转化为化学能。对最高效率的光收集的需求似乎已经形成了从细菌到植物的光合物种的进化,尽管在结构上有很大的变化,但显示出基于能量转移的量子物理学的共同结构主题,如福斯特首先描述的。在这篇评论中,福斯特的理论的激发转移进行了总结,包括最近的扩展,和相关的理论光合系统的紫色细菌,蓝藻和植物的进化证明。在附录中,福斯特的能量转移公式,广泛用于今天在许多科学领域,是派生的。
Förster’s theory of resonant energy transfer underlies a fundamental process in nature, namely the harvesting of sunlight by photosynthetic life forms. The theoretical framework developed by Förster and others describes how electronic excitation migrates in the photosynthetic apparatus of plants, algae, and bacteria from light absorbing pigments to so-called reaction centers where light energy is utilized for the eventual conversion into chemical energy. The demand for highest possible efficiency of light harvesting appears to have shaped the evolution of photosynthetic species from bacteria to plants which, despite a great variation in architecture, display common structural themes founded on the quantum physics of energy transfer as described first by Förster. In this review, Förster’s theory of excitation transfer is summarized including recent extensions, and the relevance of the theory to photosynthetic systems as evolved in purple bacteria, cyanobacteria, and plants is demonstrated. In an Appendix, Förster’s energy transfer formula, as used widely today in many fields of science, is derived.
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