2015
Accurate Line Shapes from Sub‑1 cm–1 Resolution Sum Frequency Generation Vibrational Spectroscopy of α‑Pinene at Room Temperature
Mifflin A, Velarde L, Ho J, Psciuk B, Negre C, Ebben C, Upshur M, Lu Z, Strick B, Thomson R, Batista V, Wang H, Geiger F. Accurate Line Shapes from Sub‑1 cm–1 Resolution Sum Frequency Generation Vibrational Spectroscopy of α‑Pinene at Room Temperature. The Journal Of Physical Chemistry A 2015, 119: 1292-1302. PMID: 25647092, DOI: 10.1021/jp510700z.Peer-Reviewed Original ResearchConceptsVibrational spectroscopySum frequency generation vibrational spectroscopyGeneration vibrational spectroscopySum frequency generation spectraMolecular dynamics calculationsΑ-pineneVibrational energy relaxationSFG spectroscopyRoom temperaturePhase-resolved spectraAccurate line shapesVibrational spectraFourier transformMolecular surfaceHigh spectral resolutionSpectroscopyRaman spectraDynamics calculationsSame moleculeCommon terpenesNew spectroscopyVibrational coherenceEnergy relaxationGeneration spectraSpectral lines
2014
Kinetics of Thermal Activation of an Ultraviolet Cone Pigment
Mooney V, Sekharan S, Liu J, Guo Y, Batista V, Yan E. Kinetics of Thermal Activation of an Ultraviolet Cone Pigment. Journal Of The American Chemical Society 2014, 137: 307-313. PMID: 25514632, DOI: 10.1021/ja510553f.Peer-Reviewed Original ResearchConceptsTransmembrane helix 6UV pigmentsUnprotonated Schiff baseVisual pigmentsCone pigmentsDim-light visionExtracellular loop 2Vertebrate visual pigmentsMolecular evolutionUltraviolet pigmentsOpsin proteinHelix 6Retinyl chromophoreLoop 2UV cone pigmentBovine rhodopsinRod pigmentRhodopsinHydrogen bonding networkSalt bridgeIonone ringPigmentsSchiff base chromophoreSteric restraintsActivation