文章基本信息

标题：Picosecond dynamics of iron proteins
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作者：D. Huppert ; K. D. Straub ; P. M. Rentzepis 等
期刊名称：Proceedings of the National Academy of Sciences
印刷版ISSN：0027-8424
电子版ISSN：1091-6490
出版年度：1977
卷号：74
期号：10
页码：4139-4143
DOI：10.1073/pnas.74.10.4139
语种：English
出版社：The National Academy of Sciences of the United States of America
摘要：The excitation of hemoproteins containing either Fe2+ or Fe3+ with a picosecond light pulse resulted in the bleaching and recovery of the iron absorbance bands within 6 psec. A new absorbance band also was observed whose formation and decay rate of less than 6 psec suggests that it is probably due to S1[->]Sn absorbance. The Soret band relaxation time is deduced to be [~]0.5 psec whereas the free base hemoprotein does not show any of the above fast-decay characteristics. Therefore, there is a strong influence of the metal on the energy dissipation process.
关键词：picosecond spectroscopy ; cytochromes ; porphyrins