2006
A multifrequency high-field EPR (9–285GHz) investigation of a series of dichloride mononuclear penta-coordinated Mn(II) complexes
Duboc C, Astier-Perret V, Chen H, Pécaut J, Crabtree R, Brudvig G, Collomb M. A multifrequency high-field EPR (9–285GHz) investigation of a series of dichloride mononuclear penta-coordinated Mn(II) complexes. Inorganica Chimica Acta 2006, 359: 1541-1548. DOI: 10.1016/j.ica.2005.10.027.Peer-Reviewed Original ResearchHigh-field EPR spectroscopyTridentate ligand LKinds of complexesMultifrequency EPR studyX-ray structureField splitting parametersLigand LEPR spectroscopyChloride anionsElectronic effectsSpin-Hamiltonian parametersEPR studiesEPR investigationElectronic parametersElectronic structureMononuclearX-band spectraComplexesSplitting parametersHamiltonian parameters
2005
High‐Spin Chloro Mononuclear MnIII Complexes: A Multifrequency High‐Field EPR Study
Mantel C, Chen H, Crabtree R, Brudvig G, Pécaut J, Collomb M, Duboc C. High‐Spin Chloro Mononuclear MnIII Complexes: A Multifrequency High‐Field EPR Study. ChemPhysChem 2005, 6: 541-546. PMID: 15799481, DOI: 10.1002/cphc.200400484.Peer-Reviewed Original ResearchConceptsElectronic propertiesLigand field strengthHigh-Field EPR StudyPorphyrinic systemsTridentate ligandMnIII complexesDistorted octahedronLigands decreasesSolid stateJahn-Teller distortionPrevious complexesStructural characterizationCrystallographic dataEPR studiesMultifrequency EPRManganese ionsComplexesOctahedraTetragonal distortionE termDifferent temperaturesAnionsEPRLigandsProperties
2003
Pulsed High-Frequency EPR Study on the Location of Carotenoid and Chlorophyll Cation Radicals in Photosystem II
Lakshmi K, Poluektov O, Reifler M, Wagner A, Thurnauer M, Brudvig G. Pulsed High-Frequency EPR Study on the Location of Carotenoid and Chlorophyll Cation Radicals in Photosystem II. Journal Of The American Chemical Society 2003, 125: 5005-5014. PMID: 12708850, DOI: 10.1021/ja0295671.Peer-Reviewed Original ResearchMeSH KeywordsBeta CaroteneBinding SitesCationsChlorophyllCyanobacteriaDeuteriumElectron Spin Resonance SpectroscopyFerrous CompoundsFree RadicalsLight-Harvesting Protein ComplexesOxidation-ReductionPhotosynthetic Reaction Center Complex ProteinsPhotosystem II Protein ComplexProtein ConformationRhodospirillumConceptsHigh-frequency EPR spectroscopyRelaxation enhancementEPR spectroscopyRelaxation ratePS IIElectron donorChlorophyll cation radicalsSpin-lattice relaxation rateWater oxidation complexFrequency EPR StudyPigment-protein complexesPhotosystem IIGreater relaxation enhancementCarotenoid-binding siteCation radicalsChlorophyll radicalsElectron transferAlternate electron donorsEPR studiesEPR signalDistance estimatesReaction centersRadicalsSpectroscopy
2002
Electron Paramagnetic Resonance Distance Measurements in Photosystems
Lakshmi K, Brudvig G. Electron Paramagnetic Resonance Distance Measurements in Photosystems. Biological Magnetic Resonance 2002, 19: 513-567. DOI: 10.1007/0-306-47109-4_12.Peer-Reviewed Original ResearchEPR distance measurementsDistance measurementsElectron Paramagnetic Resonance Distance MeasurementsSpin-lattice relaxation measurementsPhotosynthetic reaction centersDistance measurement techniqueLine shape analysisInterspin distancesEPR studiesRedox cofactorsRelaxation measurementsSingle crystalsSuch measurementsReaction centersPhotosystem IIPhotosystem IMeasurement techniquesBiological systemsRelative orientationMeasurementsCWCrystalsShape analysisPhotosystemsCofactor
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
1992
Calcium binding site(s) of Photosystem II as probed by lanthanides
Bakou A, Buser C, Dandulakis G, Brudvig G, Ghanotakis D. Calcium binding site(s) of Photosystem II as probed by lanthanides. Biochimica Et Biophysica Acta (BBA) - Bioenergetics 1992, 1099: 131-136. DOI: 10.1016/0005-2728(92)90209-k.Peer-Reviewed Original Research
1988
Electron Donation in Photosystem II
Thompson L, Miller A, De Paula J, Brudvig G. Electron Donation in Photosystem II. Israel Journal Of Chemistry 1988, 28: 121-128. DOI: 10.1002/ijch.198800021.Peer-Reviewed Original ResearchElectron transfer pathwayElectron paramagnetic resonanceElectron donationTransfer pathwayElectron donorOxygen-evolving centerPS IIOptical spectroscopyPhotosystem IITime-resolved optical spectroscopyPrimary electron donorAlternate electron donorsParamagnetic resonanceEPR resultsCytochrome b 559EPR studiesCyclic electron transfer pathwaysMn sitesSpectroscopyPhotooxidationKinetic componentsPhotooxidation of chlorophyllDonorsKinetics