2024
A Resilient Platform for the Discrete Functionalization of Gold Surfaces Based on N‑Heterocyclic Carbene Self-Assembled Monolayers
Palasz J, Long Z, Meng J, Videla P, Kelly H, Lian T, Batista V, Kubiak C. A Resilient Platform for the Discrete Functionalization of Gold Surfaces Based on N‑Heterocyclic Carbene Self-Assembled Monolayers. Journal Of The American Chemical Society 2024, 146: 10489-10497. PMID: 38584354, DOI: 10.1021/jacs.3c14113.Peer-Reviewed Original ResearchN-heterocyclic carbeneSelf-assembled monolayersCalculations of vibrational spectraAu(I) complexesLigand exchange reactionFunctionalization of gold surfacesX-ray photoelectron spectroscopyDensity functional theoryExperimental spectroscopic signaturesSurface-enhanced Raman spectroscopyVibrational spectraBinding geometryFunctional theoryBinding modePhotoelectron spectroscopyExchange reactionGold surfaceOn-surfaceSpectroscopic signaturesRaman spectroscopyX-rayAmbient conditionsCarbeneSpectroscopyAcid-base
2023
Enhanced characterization of breast cancer phenotypes using Raman micro-spectroscopy on stainless steel substrate
Thomas G, Fitzgerald S, Gautam R, Chen F, Haugen E, Rasiah P, Adams W, Mahadevan-Jansen A. Enhanced characterization of breast cancer phenotypes using Raman micro-spectroscopy on stainless steel substrate. Analytical Methods 2023, 15: 1188-1205. PMID: 36799369, DOI: 10.1039/d2ay01764d.Peer-Reviewed Original ResearchConceptsStainless steel substratesStainless steelSteel substrateRaman spectroscopySteelRaman signalRaman signal intensityCalcium fluoride substratesLaser powerFluoride substratesSignal qualityFundamental understandingStrong Raman signalNoise ratioSubstrateCost-effective alternativeEnhanced characterizationRaman spectraSignals
2022
A 300-fold conductivity increase in microbial cytochrome nanowires due to temperature-induced restructuring of hydrogen bonding networks
Dahl PJ, Yi SM, Gu Y, Acharya A, Shipps C, Neu J, O’Brien J, Morzan UN, Chaudhuri S, Guberman-Pfeffer MJ, Vu D, Yalcin SE, Batista VS, Malvankar NS. A 300-fold conductivity increase in microbial cytochrome nanowires due to temperature-induced restructuring of hydrogen bonding networks. Science Advances 2022, 8: eabm7193. PMID: 35544567, PMCID: PMC9094664, DOI: 10.1126/sciadv.abm7193.Peer-Reviewed Original ResearchTemperature-sensitive switchNanowires exhibitNanowiresSynthetic molecular wireTemperature-induced restructuringRaman spectroscopyRational engineeringCarrier lossRespiratory electronsExtracellular respirationSystematic tuningMicrometersMolecular wiresNetworkConductivity increasesNanometersLong-range conductionElectronsEngineeringSpectroscopyReduction potentialTuning
2021
Comparative Study of Specific Loss Power and Transverse Relaxivity of Spinel Ferrite Nanoensembles Coated With Chitosan and Polyethylene Glycol
Hoque S, Islam M, Hoq A, Haque M, Maritim S, Coman D, Hyder F. Comparative Study of Specific Loss Power and Transverse Relaxivity of Spinel Ferrite Nanoensembles Coated With Chitosan and Polyethylene Glycol. Frontiers In Nanotechnology 2021, 3: 644080. DOI: 10.3389/fnano.2021.644080.Peer-Reviewed Original ResearchNuclear magnetic resonanceTransmission electron microscopyX-ray diffractionPhysical property measurement systemFe3O4 nanoparticlesTransverse relaxivitySuccessful coatingRadio-frequency magnetic fieldPolyethylene glycolChemical co-precipitation methodMössbauer spectroscopyParticle core sizeSpecific loss powerCo-precipitation methodCharacteristic absorption patternsSuperparamagnetic behaviorSurface functionalizationNanoparticlesHyperthermia therapyMagnetic fieldRaman spectroscopyDynamic lightStable suspensionFTIR spectraCore size
2016
Formate to Oxalate: A Crucial Step for the Conversion of Carbon Dioxide into Multi‐carbon Compounds
Lakkaraju P, Askerka M, Beyer H, Ryan C, Dobbins T, Bennett C, Kaczur J, Batista V. Formate to Oxalate: A Crucial Step for the Conversion of Carbon Dioxide into Multi‐carbon Compounds. ChemCatChem 2016, 8: 3453-3457. DOI: 10.1002/cctc.201600765.Peer-Reviewed Original ResearchMulti-carbon compoundsDensity functional theory calculationsSelective catalytic conversionIndustrial-scale synthesisFunctional theory calculationsChain reaction mechanismCatalytic performanceIon catalystAlkali formateIon catalysisConversion of formateBond formationCatalytic conversionQuantitative conversionIon intermediateReaction conditionsRaman spectroscopyTheory calculationsReaction mechanismCatalytic mechanismSodium hydrideOxalate saltsSodium formateFormateEfficient conversion
2005
Resonance Raman spectroscopy of carotenoids in Photosystem II core complexes
Tracewell C, Cua A, Bocian D, Brudvig G. Resonance Raman spectroscopy of carotenoids in Photosystem II core complexes. Photosynthesis Research 2005, 83: 45-52. PMID: 16143906, DOI: 10.1007/s11120-004-2350-6.Peer-Reviewed Original ResearchConceptsII core complexesPhotosystem II core complexResonance Raman spectroscopyPS II core complexesRaman spectroscopyTrans configurationSecondary electron transfer reactionsElectron transfer reactionsMolecular wiresNeutral carotenoidsRR spectraAbsorption bandsCore complexDifference experimentsReaction centersExcitation wavelengthComplexesSpectroscopyPS IIRR resultsReactionΒ-caroteneSpectraCarotenoidsConfiguration
2004
Brittle IV Mouse Model for Osteogenesis Imperfecta IV Demonstrates Postpubertal Adaptations to Improve Whole Bone Strength*
Kozloff KM, Carden A, Bergwitz C, Forlino A, Uveges TE, Morris MD, Marini JC, Goldstein SA. Brittle IV Mouse Model for Osteogenesis Imperfecta IV Demonstrates Postpubertal Adaptations to Improve Whole Bone Strength*. Journal Of Bone And Mineral Research 2004, 19: 614-622. PMID: 15005849, DOI: 10.1359/jbmr.040111.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PhysiologicalAgingAmino Acid SubstitutionAnatomy, Cross-SectionalAnimalsBone DensityBone DevelopmentBone MatrixCollagen Type IDisease Models, AnimalFemurMaleMiceMice, TransgenicMineralsOsteogenesis ImperfectaRadiographySpectrum Analysis, RamanStress, MechanicalTensile StrengthConceptsMatrix material propertiesWhole bone geometryMaterial propertiesWhole bone strengthOsteogenesis imperfectaMouse modelBone geometryBone strengthMatrix compositesMechanical testsStiffness increaseType IV osteogenesis imperfectaMicroCT dataInvestigate therapeutic interventionsGeometric parametersMechanism independent of changesMouse model of OIRaman spectroscopic resultsMonths of ageMechanically tested to failureKnock-in modelOI patientsRaman spectroscopyGeometric resistanceIndependent of changes
2000
Characterization of the O2-Evolving Reaction Catalyzed by [(terpy)(H2O)MnIII(O)2MnIV(OH2)(terpy)](NO3)3 (terpy = 2,2‘:6,2‘ ‘-Terpyridine)
Limburg J, Vrettos J, Chen H, de Paula J, Crabtree R, Brudvig G. Characterization of the O2-Evolving Reaction Catalyzed by [(terpy)(H2O)MnIII(O)2MnIV(OH2)(terpy)](NO3)3 (terpy = 2,2‘:6,2‘ ‘-Terpyridine). Journal Of The American Chemical Society 2000, 123: 423-430. PMID: 11456544, DOI: 10.1021/ja001090a.Peer-Reviewed Original ResearchLow-Frequency Resonance Raman Characterization of the Oxygen-Evolving Complex of Photosystem II
Cua A, Stewart D, Reifler M, Brudvig G, Bocian D. Low-Frequency Resonance Raman Characterization of the Oxygen-Evolving Complex of Photosystem II. Journal Of The American Chemical Society 2000, 122: 2069-2077. DOI: 10.1021/ja9932885.Peer-Reviewed Original ResearchO2-evolving complexMn4 clusterS2 statePhotosystem IIRedox-active tyrosinesLow-energy electronic transitionsRaman spectraElectronic transitionsS1 stateVibrational modesOxygen-evolving complexRaman studiesS2 oxidation stateRaman scatteringResonance Raman CharacterizationExcitation Raman spectroscopyTetramanganese clusterCoordination environmentNIR transitionsVibrational spectroscopyOxidation stateMolecular structureD2O/H2O exchangeOH groupsRaman spectroscopy
1998
Identification of Histidine 118 in the D1 Polypeptide of Photosystem II as the Axial Ligand to Chlorophyll Z †
Stewart D, Cua A, Chisholm D, Diner B, Bocian D, Brudvig G. Identification of Histidine 118 in the D1 Polypeptide of Photosystem II as the Axial Ligand to Chlorophyll Z †. Biochemistry 1998, 37: 10040-10046. PMID: 9665709, DOI: 10.1021/bi980668e.Peer-Reviewed Original ResearchConceptsElectron paramagnetic resonanceAxial ligandsChlorophyll ZPhotosystem IIRR spectraLow-temperature electron paramagnetic resonanceWild-type Photosystem IIRedox-active tyrosinesReaction centersEfficiency of photooxidationResonance Raman spectroscopyPSII complexesIR absorbance spectraD2 polypeptidesBacterial reaction centersParamagnetic resonanceRR signatureRaman spectroscopyAccessory ChlInfrared absorbanceQuantum yieldAbsorbance bandLigandsIR excitationLow-temperature illumination
1997
Surface characterization of pulsed UV-laser modified polyamide films
Cooper J, Julian B, Morrison H, Song P, Albin S, Zheng J. Surface characterization of pulsed UV-laser modified polyamide films. Thin Solid Films 1997, 303: 180-190. DOI: 10.1016/s0040-6090(97)00138-7.Peer-Reviewed Original ResearchPulse fluenceScanning tunneling microscopyPulsed excimer laserGraphitic carbonTunneling microscopyFormation of graphitic carbonSurface enhanced Raman spectroscopyAtomic force microscopyFluenceEnhanced Raman SpectroscopyNanometer scaleFilm samplesPolyamide filmsLocal structureForce microscopyExcimer laserModified samplesPulseSubsurface heatingFilmsLoss of crystallinityRaman spectroscopyRaman resultsFTIR-ATR resultsFTIR-ATR spectroscopy
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