| Energy transfer kinetics of phycoerythrocyanins (PECs) from the cyanobacterium Anabaena variabilis(Ⅰ) |
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| 引用本文： | 张景民,张建平,杨紫萱,赵井泉,蒋丽金,陈建新,叶彤,张启元.Energy transfer kinetics of phycoerythrocyanins (PECs) from the cyanobacterium Anabaena variabilis(Ⅰ)[J].中国科学B辑(英文版),1997(3). |
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| 作者姓名： | 张景民 张建平 杨紫萱 赵井泉 蒋丽金 陈建新 叶彤 张启元 |
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| 作者单位： | Institute of Photographic Chemistry，Chinese Academy of Sciences，Beijing 100101，China，Institute of Photographic Chemistry，Chinese Academy of Sciences，Beijing 100101，China，Institute of Photographic Chemistry，Chinese Academy of Sciences，Beijing 100101，China，Institute of Photographic Chemistry，Chinese Academy of Sciences，Beijing 100101，China，Institute of Photographic Chemistry，Chinese Academy of Sciences，Beijing 100101，China，Ultrafast Spectroscopy Chamber，State Key Laboratory for Structural Chemistry of Unstable and Stable Species，Beijing 100080，China，Ultrafast Spectroscopy Chamber，State Key Laboratory for Structural Chemistry of Unstable and Stable Species，Beijing 100080，China，Ultrafast Spectroscopy Chamber，State Key Laboratory for Structural Chemistry of Unstable and Stable Species，Beijing 100080，China |
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| 基金项目： | Project supported hy the National Natural Science Foundation of China |
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| 摘 要： | The excitation energy transfer processes in nionomeric phycoerythrocyanins ( PEC)have been studied in detail using steady-state and time-resolved fluorescence spectra techniques as well as the deconvolution fech nique of spectra.The results indicate that the energy transfer processes should take place between α84 PVB md β8 or β155-PCB chromophores,the time constants of energy transfer are 34.7 and 130 ps individually;the component with lifetime of 1.57 ns originates from the fluorescence lifetime of the terminal emitter of β84 and /or β155 PCB chre-mophores; and the component with lifetime of 515 ps might be assigned to the energy transfer between two PCB chro mophores of β subunit.
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