Femtosecond pump-probe studies of radiationless decay dynamics in arthropod and mollusc hemocyanins

被引：0

作者：

Edington, MD ^{[1
]}

Floyd, JS ^{[1
]}

Haralampus-Grynaviski, NM ^{[1
]}

Ye, T ^{[1
]}

Zheng, B ^{[1
]}

Simon, JD ^{[1
]}

机构：

[1] Florida A&M Univ, Dept Chem, Tallahassee, FL 32307 USA

来源：

ULTRAFAST PHENOMENA XII | 2001年 / 66卷

关键词：

D O I：

暂无

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Femtosecond pump-probe spectroscopy has been used to measure the dynamics following excitation of the ligand-to-metal charge-transfer states in arthropod and molluscan hemocyanins isolated from Limulus polyphemus and Busycon canaliculatum, respectively. These results are discussed in terms of the thermal elimination and geminate recombination of oxygen following rapid nonradiative relaxation in the protein. The two hemocyanins exhibit the same dynamics, consistent with the structural similarity of their active sites.

引用

页码：692 / 694

页数：3

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