ArticleThe journal of physical chemistry. B2005
Femtosecond stimulated Raman study of excited-state evolution in bacteriorhodopsin.
Article in The journal of physical chemistry. B, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed.
- Multistep 11-Journal of the American Chemical Society · 2025Article
- Reversible Photochromic Reactions of Bacteriorhodopsin fromMolecules (Basel, Switzerland) · 2024Article
- Multiple retinal isomerizations during the early phase of the bestrhodopsin photoreaction.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Ultrafast motion in a third generation photomolecular motor.Nature communications · 2023Article
- Rhodopsins: An Excitingly Versatile Protein Species for Research, Development and Creative Engineering.Frontiers in chemistry · 2022Review
- Effect of charge-transfer enhancement on the efficiency and rotary mechanism of an oxindole-based molecular motor.Chemical science · 2021Article
- Dual Photoisomerization on Distinct Potential Energy Surfaces in a UV-Absorbing Rhodopsin.Journal of the American Chemical Society · 2020Article
- Excited-State Vibronic Dynamics of Bacteriorhodopsin from Two-Dimensional Electronic Photon Echo Spectroscopy and Multiconfigurational Quantum Chemistry.The journal of physical chemistry letters · 2020Article
- Femtosecond stimulated Raman evidence for charge-transfer character in pentacene singlet fission.Chemical science · 2018Article
- Driving Protein Conformational Changes with Light: Photoinduced Structural Rearrangement in a Heterobimetallic Oxidase.Journal of the American Chemical Society · 2018Article
- Investigation of the S1/ICT equilibrium in fucoxanthin by ultrafast pump-dump-probe and femtosecond stimulated Raman scattering spectroscopy.Photosynthesis research · 2016Article
- Carotenoid response to retinal excitation and photoisomerization dynamics in xanthorhodopsin.Chemical physics letters · 2011Article
- Vibrational motions associated with primary processes in bacteriorhodopsin studied by coherent infrared emission spectroscopy.Biophysical journal · 2011Article
- Mapping GFP structure evolution during proton transfer with femtosecond Raman spectroscopy.Nature · 2009Article
- Femtosecond carotenoid to retinal energy transfer in xanthorhodopsin.Biophysical journal · 2009Article
- Photochemical reaction dynamics of the primary event of vision studied by means of a hybrid molecular simulation.Biophysical journal · 2009Article
- Excitation energy-transfer and the relative orientation of retinal and carotenoid in xanthorhodopsin.Biophysical journal · 2008Article
- Terahertz spectroscopy of bacteriorhodopsin and rhodopsin: similarities and differences.Biophysical journal · 2008Article
- Insights into excited-state and isomerization dynamics of bacteriorhodopsin from ultrafast transient UV absorption.Proceedings of the National Academy of Sciences of the United States of America · 2006Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
Femtosecond time-resolved stimulated Raman spectroscopy (FSRS) is used to examine the photoisomerization dynamics in the excited state of bacteriorhodopsin. Near-IR stimulated emission is observed in the FSRS probe window that decays with a 400-600-fs time constant. Additionally, dispersive vibrational lines appear at the locations of the ground-state vibrational frequencies and decay with a 260-fs time constant. The dispersive line shapes are caused by a nonlinear effect we term Raman initiated by nonlinear emission (RINE) that generates vibrational coherence on the ground-state surface. Theoretical expressions for the RINE line shapes are developed and used to fit the spectral and temporal evolution of the spectra. The rapid 260-fs decay of the RINE peak intensity, compared to the slower evolution of the stimulated emission, indicates that the excited-state population moves in approximately 260 fs to a region on the potential energy surface where the RINE signal is attenuated. This loss of RINE signal is best explained by structural evolution of the excited-state population along multiple low-frequency modes that carry the molecule out of the harmonic photochemically inactive Franck-Condon region and into the photochemically active geometry.
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