Dispersion relation of lipid membrane shape fluctuations by neutron spin-echo spectrometry

• Published in: Physical review letters Vol. 97; no. 4; p. 048103
• Main Authors: Rheinstädter, Maikel C, Häussler, Wolfgang, Salditt, Tim
• Format: Journal Article
• Language: English
• Published: United States 28.07.2006
• Subjects: Computer Simulation; Dimyristoylphosphatidylcholine - chemistry; Membrane Fluidity; Membrane Lipids - chemistry; Models, Chemical; Models, Molecular; Molecular Conformation; Neutron Diffraction; Spectrum Analysis; Temperature

We have studied the mesoscopic shape fluctuations in aligned multilamellar stacks of 1,2-dimyristoyl-sn-glycero-3-phoshatidylcholine bilayers using the neutron spin-echo technique. The corresponding in plane dispersion relation tau-1(q//) at different temperatures in the gel (ripple, Pbeta') an...