1998
Synthesis and characterization of an internal emission standard and applications to fluorescence studies of photosystem II
Schweitzer R, Brudvig G. Synthesis and characterization of an internal emission standard and applications to fluorescence studies of photosystem II. Biopolymers 1998, 2: 167-171. DOI: 10.1002/(sici)1520-6343(1996)2:3<167::aid-bspy3>3.0.co;2-5.Peer-Reviewed Original ResearchChelate complexesFluorescence intensityFluorescence measurementsDiethylenetriaminepentaacetic acid derivativeTerbium luminescenceAqueous phaseTerbium emissionAcid derivativesPyrimidine ringComplexesPhotosystem II functionLow temperaturePhotosynthetic organismsLow absorptionCryogenic temperaturesLanthanidesDifferent samplesLigandsSynthesisLuminescenceTerbiumTemperatureDerivativesPurificationEmission standards
1997
Fluorescence Quenching by Chlorophyll Cations in Photosystem II †
Schweitzer R, Brudvig G. Fluorescence Quenching by Chlorophyll Cations in Photosystem II †. Biochemistry 1997, 36: 11351-11359. PMID: 9298954, DOI: 10.1021/bi9709203.Peer-Reviewed Original ResearchConceptsFluorescence quenchingPhotosystem IIElectron donorDonor sideElectron paramagnetic resonance spectroscopyRedox-active tyrosinesRedox-active centersCharge-separated stateSteady-state fluorescence quenchingParamagnetic resonance spectroscopyRedox-active componentsElectron donor sideElectron transfer pathwayCytochrome b559Redox stateFluorescence intensityO2-evolving complexPrimary electron donorReversible oxidationChlorophyll cationElectron donationFurther oxidationChlZRapid photooxidationDifferent sample preparation