2004
Q-Band EPR of the S2 State of Photosystem II Confirms an S=5/2 Origin of the X-Band g=4.1 Signal
Haddy A, Lakshmi K, Brudvig G, Frank H. Q-Band EPR of the S2 State of Photosystem II Confirms an S=5/2 Origin of the X-Band g=4.1 Signal. Biophysical Journal 2004, 87: 2885-2896. PMID: 15454478, PMCID: PMC1304705, DOI: 10.1529/biophysj.104.040238.Peer-Reviewed Original ResearchConceptsSame spin systemS2 stateSpin systemsZero-field splitting valuesMiddle Kramers doubletPhotosystem IILight-induced signalsS2 oxidation stateX-bandKramers doubletX-band signalQ-band EPRPSII-enriched membrane fragmentsSplitting valuesLow-field signalMn clusterQ-bandState originEPR signalOxidation stateStateDoubletSpectraSignalsGHz
2000
Femtosecond Multicolor Pump−Probe Spectroscopy of Ferrous Cytochrome c †
Wang W, Ye X, Demidov A, Rosca F, Sjodin T, Cao W, Sheeran M, Champion P. Femtosecond Multicolor Pump−Probe Spectroscopy of Ferrous Cytochrome c †. The Journal Of Physical Chemistry B 2000, 104: 10789-10801. DOI: 10.1021/jp0008602.Peer-Reviewed Original ResearchFemtosecond coherence spectroscopyLigand photolysisQuantum yieldAbsorption spectraTransient absorption spectraFerrous cytochrome cHigh quantum yieldUltrafast laser spectroscopyTi:sapphire laserInduce coherent oscillationsLigand recombinationMethionine ligandGeminate rebindingPhotolysis timeQ-bandCm-1Pulsed photoexcitationVibrational modesStructural relaxationCoherence spectroscopyHeme ironMP-8PhotolysisCoherent oscillationsLaser spectroscopy
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