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Electron paramagnetic resonance of the primary radical pair [D-center dot+Phi(A)(center dot-)] in reaction centers of photosynthetic bacteria

Abstract:

Using continuous wave EPR spectroscopy with a high time resolution, a new short-lived signal at g=2 is observed in bacterial photosynthetic reaction centers in which electron transfer past the bacteriopheophytin ΦA is blocked. This signal decays with a time constant equal to the rise time of the triplet state of the primary donor 3D, and is therefore attributed to the primary radical pair [D·+ Φ·-A]. Applying the theory of spin-correlated radical pairs, the spectrum could be satisfactorily si...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
Journal:
CHEMICAL PHYSICS LETTERS More from this journal
Volume:
257
Issue:
3-4
Pages:
333-339
Publication date:
1996-07-26
DOI:
ISSN:
0009-2614
Language:
English
Pubs id:
pubs:45206
UUID:
uuid:6844f973-bf65-44c4-92c5-3244a769b435
Local pid:
pubs:45206
Source identifiers:
45206
Deposit date:
2012-12-19

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