2023
Atomically dispersed Ir catalysts exhibit support-dependent water oxidation kinetics during photocatalysis
Zhang H, Liu T, Dulock N, Williams B, Wang Y, Chen B, Wikar H, Wang D, Brudvig G, Wang D, Waegele M. Atomically dispersed Ir catalysts exhibit support-dependent water oxidation kinetics during photocatalysis. Chemical Science 2023, 14: 6601-6607. PMID: 37350819, PMCID: PMC10283500, DOI: 10.1039/d3sc00603d.Peer-Reviewed Original ResearchWater oxidation activityIndium tin oxideActive siteOxidation activityHeterogeneous water oxidation catalysisHigh water oxidation activityWater oxidation catalysisWater oxidation kineticsOxidation catalysisWater oxidationIr catalystHeterogeneous catalystsDistinct active sitesLight sensitizerPrototypical reactionReaction mechanismDifferent supportsElectron scavengerCatalystTin oxideOxidation kineticsHigh temperatureLow temperatureStudied rangeCatalysis
2008
Redox Reactions of the Non-Heme Iron of Photosystem II: An EPR Spectroscopic Study
McEvoy J, Brudvig G. Redox Reactions of the Non-Heme Iron of Photosystem II: An EPR Spectroscopic Study. 2008, 141-144. DOI: 10.1007/978-1-4020-6709-9_32.Peer-Reviewed Original ResearchSecondary electron donorNon-heme ironElectron donorRedox activityElectron transfer reactionsEPR spectroscopic studiesProton transfer reactionsProton transfer pathwayPhotosystem IIRedox chemistryRedox reactionsEPR spectroscopySpectroscopic studiesCharge recombinationEPR quantitationQB sitePotassium ferricyanideReactionFe3Fe2IronLow temperatureAcceptor sitesDonor yieldChemistry
2003
Two Redox-Active β-Carotene Molecules in Photosystem II †
Tracewell C, Brudvig G. Two Redox-Active β-Carotene Molecules in Photosystem II †. Biochemistry 2003, 42: 9127-9136. PMID: 12885246, DOI: 10.1021/bi0345844.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PhysiologicalBeta CaroteneCyanobacteriaDarknessElectron Spin Resonance SpectroscopyFree RadicalsFreezingLight-Harvesting Protein ComplexesNormal DistributionOxidation-ReductionPhotochemistryPhotosynthetic Reaction Center Complex ProteinsPhotosystem II Protein ComplexSpectroscopy, Near-InfraredSpinacia oleraceaTyrosineConceptsSecondary electron transfer pathwayElectron transfer pathwayElectron paramagnetic resonance spectroscopyElectron transfer reactionsElectron transfer pathParamagnetic resonance spectroscopyHole-hopping mechanismPS II core complexesΒ-carotene moleculesPS II membranesII core complexesPhotosystem IIIR spectroscopyPS IILow temperatureCharge separationElectrostatic interactionsOxygen evolutionResonance spectroscopyLow-temperature illuminationInhibited samplesSpectroscopyEquilibrated statePeak variesSynechocystis PCC 6803
2000
Low-Temperature Turnover Control of Photosystem II Using Novel Metal-Containing Redox-Active Herbicides
Karki L, Lakshmi K, Szalai V, Brudvig G. Low-Temperature Turnover Control of Photosystem II Using Novel Metal-Containing Redox-Active Herbicides. Journal Of The American Chemical Society 2000, 122: 5180-5188. DOI: 10.1021/ja994138x.Peer-Reviewed Original ResearchO2-evolving complexQB siteLong-range electron transferElectron acceptor groupsS-state cyclingStable charge separationPentane spacerHydrocarbon spacerUrea groupsElectron transferCharge separationEPR resultsStoichiometric reductionTwo-electronHerbicide derivativesEPR studiesElectron acceptorMoietyPhenylurea herbicidesDonor sidePhotosystem IISpacerComplexesLow temperatureInhibition studies
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