EPR and ENDOR Study of a series of free base porphycenes in the photoexcited triplet state
✍ Scribed by V. Hamacher; M. Plato; K. Möbius; E. Vogel
- Book ID
- 113000882
- Publisher
- Springer Vienna
- Year
- 1993
- Tongue
- English
- Weight
- 492 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0937-9347
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The photoexcitcd triplet states of chlorophyll a and b are studied by the EPR method at -85 K using modulated ii&t excitation. Both compounds show anomalous EPR line intensities and transient kinetics, indicating e!ectron spin polxi~ation (ESP) in the photoexcitcd triplet state. EPR studies, using h
The pholwxcitcd triplet stale PT of Rhodopseudomonas sphoeroides R-26 has been inves~igakd by ENDOR mcasuremenls performed on frozen pholosynthetic reaction cenlre solutions For the firs1 lime hyperfine dala could be oblained for PT. These data indvzare a delocalisa~ion of tie wiplel sLa[e over two