ICCAS OpenIR
Time-resolved spectral analysis of ultrafast isomerization dynamics of retinal in Bacteriorhodopsin
Wu Yi-Shi1,2; Zhong Sheng3; Ai Xi-Cheng1; Hu Kun-Sheng3; Zhang Jian-ping1
2008-01-10
Source PublicationCHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
ISSN0251-0790
Volume29Issue:1Pages:140-143
AbstractThe ultrafast photoisomerization process of retinal in Bacteriorhodpsin's (BR) photocycle was investigated via femtosecond time-resolved absorption spectroscopy. Singular value decomposition (SVD) combined with model-based global fitting was employed to analyze the time-resolved spectra, and the related difference spectra (SADS) and the population dynamics of I-460, J(625) and K-590 intermediates were derived on the basis of our proposed reaction scheme. The detailed photoisomerization pathways were discussed. Moreover, the SADS of Franck-Condon state (H intermediate), radiative transition of which accounts for the stimulated emission around 700 nm, was also detected, and its time constant was 0.04 ps. Our results prove the involvement of the H-intermediate in ultrafast photoisomerization process of retinal in BR.
KeywordBacteriorhodopsin Ultrafast Isomerization Singular Value Decomposition Stimulated Emission
Indexed BySCI
Language英语
WOS IDWOS:000252618000029
PublisherHIGHER EDUCATION PRESS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/64558
Collection中国科学院化学研究所
Corresponding AuthorZhang Jian-ping
Affiliation1.Renmin Univ China, Coll Sci, Dept Chem, Beijing 100872, Peoples R China
2.Chinese Acad Sci, Inst Chem, State Key Lab Struct Chem Unstable & Stable Speci, BNLMS, Beijing 100080, Peoples R China
3.Chinese Acad Sci, Inst Biophys, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Wu Yi-Shi,Zhong Sheng,Ai Xi-Cheng,et al. Time-resolved spectral analysis of ultrafast isomerization dynamics of retinal in Bacteriorhodopsin[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2008,29(1):140-143.
APA Wu Yi-Shi,Zhong Sheng,Ai Xi-Cheng,Hu Kun-Sheng,&Zhang Jian-ping.(2008).Time-resolved spectral analysis of ultrafast isomerization dynamics of retinal in Bacteriorhodopsin.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,29(1),140-143.
MLA Wu Yi-Shi,et al."Time-resolved spectral analysis of ultrafast isomerization dynamics of retinal in Bacteriorhodopsin".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 29.1(2008):140-143.
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