Study of water diffusion on single-supported bilayer lipid membranes by quasielastic neutron scattering

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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High-energy-resolution quasielastic neutron scattering has been used to elucidate the diffusion of water molecules in proximity to single bilayer lipid membranes supported on a silicon substrate. By varying sample temperature, level of hydration, and deuteration, we identify three different types of diffusive water motion: bulk-like, confined, and bound. The motion of bulk-like and confined water molecules is fast compared to those bound to the lipid head groups (7-10 H2O molecules per lipid), which move on the same nanosecond time scale as H atoms within the lipid molecules. Copyright (C) EPLA, 2012

Original languageEnglish
JournalEurophysics Letters
Publication date2012
Volume98
Journal number4
Pages-
ISSN0295-5075
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 1

Keywords

  • PHYSICS, DEUTERON MAGNETIC-RESONANCE, MOLECULAR-DYNAMICS, HYDRATION
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