2024
Beyond the “spine of hydration”: Chiral SFG spectroscopy detects DNA first hydration shell and base pair structures
Perets E, Konstantinovsky D, Santiago T, Videla P, Tremblay M, Velarde L, Batista V, Hammes-Schiffer S, Yan E. Beyond the “spine of hydration”: Chiral SFG spectroscopy detects DNA first hydration shell and base pair structures. The Journal Of Chemical Physics 2024, 161: 095104. PMID: 39230381, PMCID: PMC11377083, DOI: 10.1063/5.0220479.Peer-Reviewed Original ResearchConceptsChiral SFG spectraProbe water moleculeWater moleculesChiral SFG spectroscopyHydration shellSFG spectraMinor grooveSFG spectroscopyHydration shell water moleculesWater structureO-H stretching of waterSum frequency generation spectroscopyShell water moleculesPhosphate backboneN-H stretchingO-H stretchingDNA base pairsDNA minor grooveSpine of hydrationSpectra of DNAN-HVibrational spectroscopyO-HSFG responseSFG signal
2018
Dopant-Dependent SFG Response of Rhenium CO2 Reduction Catalysts Chemisorbed on SrTiO3 (100) Single Crystals
Ge A, Videla P, Rudshteyn B, Liu Q, Batista V, Lian T. Dopant-Dependent SFG Response of Rhenium CO2 Reduction Catalysts Chemisorbed on SrTiO3 (100) Single Crystals. The Journal Of Physical Chemistry C 2018, 122: 13944-13952. DOI: 10.1021/acs.jpcc.8b01123.Peer-Reviewed Original ResearchDensity functional theorySFG responseVibrational sum frequency generation spectroscopySum frequency generation spectroscopyCO2 reduction catalystsFrequency generation spectroscopySrTiO3 single crystalsSTO surfaceReduction catalystDFT calculationsSFG resultsGeneration spectroscopySingle crystalsMolecular probesElectronic structureFunctional theoryCl atomsMetallic natureConduction bandSubstrateSurfaceCrystalsCatalystSpectroscopyFac