2020
Identification of a Na+‑Binding Site near the Oxygen-Evolving Complex of Spinach Photosystem II
Wang J, Perez-Cruet JM, Huang HL, Reiss K, Gisriel CJ, Banerjee G, Kaur D, Ghosh I, Dziarski A, Gunner MR, Batista VS, Brudvig GW. Identification of a Na+‑Binding Site near the Oxygen-Evolving Complex of Spinach Photosystem II. Biochemistry 2020, 59: 2823-2831. PMID: 32650633, DOI: 10.1021/acs.biochem.0c00303.Peer-Reviewed Original ResearchConceptsOxygen-evolving complexSpinach photosystem IIRedox-active Mn ionPhotosystem IIOxygen evolution activityQuantum mechanical calculationsOxomanganese clusterHydroxide anionCommon counterionCryo-electron microscopy mapMechanical calculationsAmino acid residuesMn ionsIonsElectrostatic simulationsMicroscopy mapsAcid residuesComplexesDeprotonationAnionsCounterionsNaChlorideSitesCl
2019
Effect of Electronic Coupling on Electron Transfer Rates from Photoexcited Naphthalenediimide Radical Anion to Re(bpy)(CO)3X
Martinez J, La Porte N, Chaudhuri S, Sinopoli A, Bae Y, Sohail M, Batista V, Wasielewski M. Effect of Electronic Coupling on Electron Transfer Rates from Photoexcited Naphthalenediimide Radical Anion to Re(bpy)(CO)3X. The Journal Of Physical Chemistry C 2019, 123: 10178-10190. DOI: 10.1021/acs.jpcc.8b12264.Peer-Reviewed Original ResearchNaphthalenediimide radical anionElectron transfer rateElectronic couplingRadical anionX-ray structural studiesAppropriate reference moleculesReaction free energyPhotocatalytic CO2 reductionFree energy changeArtificial photosynthesisNDI chromophoresElectron transferMid-IR spectroscopyCatalyst resultsUV/Constitutional isomersPhotocatalytic reductionCO2 reductionReference moleculeStructural studiesFree energyEnergy changeFirst intermediateAnionsTransfer rate
2018
Photoexcited radical anion super-reductants for solar fuels catalysis
La Porte N, Martinez J, Chaudhuri S, Hedström S, Batista V, Wasielewski M. Photoexcited radical anion super-reductants for solar fuels catalysis. Coordination Chemistry Reviews 2018, 361: 98-119. DOI: 10.1016/j.ccr.2018.01.018.Peer-Reviewed Original ResearchMetal centerCarbon-neutral energy economyCharge-separated lifetimeSolar fuel catalysisReduction of CO2Catalytic transformationsRadical anionFuel catalysisElectron transferImportant reactionsRedox potentialActive complexGlobal energy demandExcitation wavelengthSolar spectrumCarbon dioxideLargest possible portionReactionNsRylenediimidesCatalysisEnergy economyAnionsSolar energyChromophore
2011
Pharmaceutical formulation affects titanocene transferrin interactions
Buettner K, Snoeberger R, Batista V, Valentine A. Pharmaceutical formulation affects titanocene transferrin interactions. Dalton Transactions 2011, 40: 9580-9588. PMID: 21847473, DOI: 10.1039/c1dt10805k.Peer-Reviewed Original ResearchConceptsTitanocene dichlorideHuman serum transferrinUV/FT-ICR mass spectrometryMolar absorptivityPH-dependent speciationDifferent molar absorptivitiesDFT calculationsSynergistic anionFluorescence quenchingPharmaceutical formulationsMass spectrometryTransfer energyAnticancer activitySerum transferrinAnticancer drugsPhase II human clinical trialsAbsorptivityNMRAnionsHuman clinical trialsDichloridePotential vehicleSpectrometryTi
1999
Femtosecond photoelectron spectroscopy of the I2− anion: Characterization of the Ã′ 2Πg,1/2 excited state
Zanni M, Batista V, Greenblatt B, Miller W, Neumark D. Femtosecond photoelectron spectroscopy of the I2− anion: Characterization of the Ã′ 2Πg,1/2 excited state. The Journal Of Chemical Physics 1999, 110: 3748-3755. DOI: 10.1063/1.478264.Peer-Reviewed Original ResearchFemtosecond photoelectron spectroscopyEquilibrium bond lengthPhotoelectron spectroscopyBond lengthsWell depthPotential energy curvesUpper state potentialRepulsive potential wallExcited statesEnergy curvesState potentialPotential wallSemiempirical resultsSpectroscopyMorse potentialAnionsAttractive portionStateSpectraPotential