Magnetic-Field-Induced Orientation of Photosynthetic Reaction Centers, As Revealed by Time-Resolved D-Band Electron Paramagnetic Resonance of Spin-Correlated Radical Pairs. II. Field Dependence of the Alignment†

2004 ◽  
Vol 108 (27) ◽  
pp. 9498-9504 ◽  
Author(s):  
Ulrich Heinen ◽  
Oleg Poluektov ◽  
Eli Stavitski ◽  
Thomas Berthold ◽  
Ernst Ohmes ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Electron Paramagnetic Resonance ◽  
Field Dependence ◽  
Reaction Centers ◽  
Photosynthetic Reaction Centers ◽  
Radical Pairs ◽  
Paramagnetic Resonance ◽  
Time Resolved ◽  
Band Electron ◽  
Electron Paramagnetic

Exploring the Structure of a Photosynthetic Model by Quantum-Chemical Calculations and Time-Resolved Q-Band Electron Paramagnetic Resonance

1999 ◽  
Vol 121 (1) ◽  
pp. 188-198 ◽  
Author(s):  
Andreas M. Kiefer ◽  
Stefan M. Kast ◽  
Michael R. Wasielewski ◽  
Karl Laukenmann ◽  
Gerd Kothe
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Quantum Chemical Calculations ◽  
Quantum Chemical ◽  
Paramagnetic Resonance ◽  
Time Resolved ◽  
Band Electron ◽  
Electron Paramagnetic

Magnetic-Field-Induced Orientation of Photosynthetic Reaction Centers As Revealed by Time-Resolved W-Band EPR of Spin-Correlated Radical Pairs

1999 ◽  
Vol 103 (49) ◽  
pp. 10733-10736 ◽  
Author(s):  
Thomas Berthold ◽  
Michael Bechtold ◽  
Ulrich Heinen ◽  
Gerhard Link ◽  
Oleg Poluektov ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Reaction Centers ◽  
Photosynthetic Reaction Centers ◽  
Radical Pairs ◽  
Time Resolved ◽  
W Band

Photochemical processes in photosynthesis studied by advanced electron paramagnetic resonance techniques

2003 ◽  
Vol 75 (8) ◽  
pp. 1021-1030 ◽  
Author(s):  
Wolfgang Lubitz
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Continuous Wave ◽  
Double Resonance ◽  
Triplet States ◽  
Photosynthetic Reaction Centers ◽  
Electron Nuclear Double Resonance ◽  
Paramagnetic Resonance ◽  
Time Resolved ◽  
Endor Spectroscopy ◽  
Electron Paramagnetic

Various continuous-wave and pulse electron paramagnetic resonance (EPR) and electron nuclear double resonance (ENDOR) experiments performed on the radical species occurring in photosynthetic reaction centers of plants and bacteria during light-induced charge separation are reviewed here. Emphasis is placed on time-resolved experiments performed on short-lived intermediate states such as radical pairs and triplet states for which also hyperfine information can be obtained from pulse ENDOR spectroscopy. Detailed insight into the electronic structure of these intermediates and their interaction with the protein environment is now becoming available.

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