000015571 001__ 15571 000015571 005__ 20250129094311.0 000015571 0247_ $$2DOI$$a10.1103/PhysRevE.83.050907 000015571 0247_ $$2WOS$$aWOS:000290946300001 000015571 0247_ $$2Handle$$a2128/9300 000015571 0247_ $$2altmetric$$aaltmetric:226876 000015571 037__ $$aPreJuSER-15571 000015571 041__ $$aeng 000015571 082__ $$a530 000015571 084__ $$2WoS$$aPhysics, Fluids & Plasmas 000015571 084__ $$2WoS$$aPhysics, Mathematical 000015571 1001_ $$0P:(DE-HGF)0$$aKaye, M. D.$$b0 000015571 245__ $$aEthanol enhances collective dynamics of lipid membranes 000015571 260__ $$aCollege Park, Md.$$bAPS$$c2011 000015571 264_1 $$2Crossref$$3online$$bAmerican Physical Society (APS)$$c2011-05-25 000015571 264_1 $$2Crossref$$3print$$bAmerican Physical Society (APS)$$c2011-05-01 000015571 300__ $$a050907 000015571 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article 000015571 3367_ $$2DataCite$$aOutput Types/Journal article 000015571 3367_ $$00$$2EndNote$$aJournal Article 000015571 3367_ $$2BibTeX$$aARTICLE 000015571 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000015571 3367_ $$2DRIVER$$aarticle 000015571 440_0 $$04924$$aPhysical Review E$$v83$$x1539-3755$$y5 000015571 500__ $$aWe acknowledge financial support from the Natural Sciences and Engineering Research Council and National Research Council of Canada and thank the Institut Laue-Langevin for the allocation of beam time. V.C.-N. has carried out research under an HPC-EUROPA2 project (project number 228398). We are grateful to W. Treptow for help on the simulations of the initial ethanol water systems. Calculations were performed at the CINES supercomputer center (Montpellier, France). 000015571 520__ $$aFrom inelastic neutron-scattering experiments and all atom molecular dynamics simulations we present evidence for a low-energy dynamical mode in the fluid phase of a 1,2-dimyristoyl-sn-glycero-3-phoshatidylcholine (DMPC) bilayer immersed in a 5% water/ethanol solution. In addition to the well-known phonon that shows a liquidlike dispersion with energies up to 4.5 meV, we observe an additional mode at smaller energies of 0.8 meV, which shows little or no dispersion. Both modes show transverse properties and might be related to molecular motion perpendicular to the bilayer. 000015571 536__ $$0G:(DE-Juel1)FUEK412$$2G:(DE-HGF)$$aGrundlagen für zukünftige Informationstechnologien$$cP42$$x0 000015571 536__ $$0G:(DE-Juel1)FUEK415$$2G:(DE-HGF)$$aGroßgeräte für die Forschung mit Photonen, Neutronen und Ionen (PNI)$$cP55$$x1 000015571 536__ $$0G:(EU-Grant)228398$$aHPC-EUROPA2 - Pan-European Research infrastructure on High Performance Computing for 21st century Science (228398)$$c228398$$fFP7-INFRASTRUCTURES-2008-1$$x2 000015571 542__ $$2Crossref$$i2011-05-25$$uhttp://link.aps.org/licenses/aps-default-license 000015571 588__ $$aDataset connected to Web of Science 000015571 650_7 $$2WoSType$$aJ 000015571 7001_ $$0P:(DE-Juel1)VDB56481$$aSchmalzl, K.$$b1$$uFZJ 000015571 7001_ $$0P:(DE-HGF)0$$aConti Nibali, V.$$b2 000015571 7001_ $$0P:(DE-HGF)0$$aTarek, M.$$b3 000015571 7001_ $$0P:(DE-HGF)0$$aRheinstädter, M. 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