| A theoretical study of electronic excited states of photosynthetic reaction center in Rhodopseudomonas viridis |
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| 作者姓名： | REN Yanliang CHENG Lin WAN Jian LI Yongjian LIU Junjun YANG Guangfu ZHANG Lihua & YANG Song Key Laboratory of Pesticide & Chemical Biology |
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| 摘 要： | As well known,photosynthesis is the most impor-tant biochemical process on the earth.With a few mi-nor exceptions,photosynthesis is the only mechanism by which an external source of energy is harnessed by the living world.As a crucial composition of photo…
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A theoretical study of electronic excited states of photosynthetic reaction center in Rhodopseudomonas viridis |
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| REN Yanliang,CHENG Lin,WAN Jian,LI Yongjian,LIU Junjun,YANG Guangfu,ZHANG Lihua & YANG Song Key Laboratory of Pesticide & Chemical Biology.A theoretical study of electronic excited states of photosynthetic reaction center in Rhodopseudomonas viridis[J].Science in China(Chemistry),2006,49(1). |
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| Authors: | REN Yanliang CHENG Lin WAN Jian LI Yongjian LIU Junjun YANG Guangfu ZHANG Lihua YANG Song |
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| Institution: | Key Laboratory of Pesticide & Chemical Biology CCNU, Ministry of Education and Department of Chemistry, Central China Normal University, Wuhan 430079, China |
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| Abstract: | The electronic singlet vertical excited states of photosynthetic reaction center (PSRC) in Rhodopseudomonas (Rps.) viridis were investigated by ZINDO and INDO/S methods. The effects of the interactions of pigment-pigment and pigment-protein on the electronic excitations were examined. The calculation results showed that the interactions of pigment-pigment and pigment-protein play an important role in reasonably assigning the experimental absorption and circular dichroism (CD) spec-tra of PSRC in Rps. virids. By comparing the theoretically computed excited states with the experi-mental absorption and CD spectra, satisfactory assignments of the experimental spectroscopic peaks were achieved. |
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| Keywords: | Rhodopseudomonas viridis ZINDO INDO/S circular dichroism spectrum |
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