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Article
The excitation intensity dependence of singlet fission dynamics of a rubrene microcrystal studied by femtosecond transient microspectroscopy
We have investigated the excitation intensity dependence of the singlet fission in a crystalline rubrene by means of femtosecond transient absorption microspectroscopy. When a rubrene microcrystal was excited ...
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Chapter
Heterogeneity of Chlorophyll D-Binding Photosystem I Reaction Centers from the Photosynthetic Prokaryote Acaryochloris Marina
It has recently been found that the quaternary structure of photosystem I (PSI) of cyanobacteria differs significantly from that of higher plants. Isolated PSI from higher plants appears as the monomeric compl...
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Article
Functional characterisation of a purified homogeneous Photosystem II core complex with high oxygen evolution capacity from spinach
The functional properties of a purified homogeneous spinach PS II-core complex with high oxygen evolution capacity (Haag et al. 1990a) were investigated in detail by measuring thermoluminescence and oscillatio...
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Article
Manganese K-edge X-ray absorption spectra of the cyclic S-states in the photosynthetic oxygen-evolving system
A set of Mn K-edge XANES spectra due to the redox states S0−S3 of the OEC were determined by constructing a highly-sensitive X-ray detection system for use with physiologically native PS II membranes capable of c...
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Article
Oxygen evolving membranes and particles from the transformable cyanobacterium Synechocystis sp. PCC6803
Membranes and PS II particles retaining high rates of O2-evolving activity have been isolated from the transformable cyanobacterium, Synechocystis sp. PCC6803. Membranes from cells grown under red light exhibit r...
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Article
Protein composition of the photosystem II core complex in genetically engineered mutants of the cyanobacterium Synechocystis sp. PCC 6803
The presence of four photosystem II proteins, CP47, CP43, D1 and D2, was monitored in mutants of Synechocystis sp. PCC 6803 that have modified or inactivated genes for CP47, CP43, or D2. It was observed that: (1)...
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Chapter and Conference Paper
Re-Examination of Action Spectroscopy in Blue/Near-UV Light Effects
The nature of the primary photoreceptor(s) of blue light-induced reaction in plants and microorganisms is still an open question [23]. Flavoprotein(s) and carotenoprotein(s) are considered to be likely candida...