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@ARTICLE{Jaksch:863827,
      author       = {Jaksch, Sebastian and Koutsioubas, Alexandros and Mattauch,
                      Stefan and Holderer, Olaf and Frielinghaus, Henrich},
      title        = {{L}ong-{R}ange {E}xcitations in {P}hospholipid {M}embranes},
      journal      = {Chemistry and physics of lipids},
      volume       = {225},
      issn         = {0009-3084},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2019-03807},
      pages        = {104788},
      year         = {2019},
      abstract     = {We investigated the existence of long-range excitations and
                      correlated structures in phospholipid membranes by means of
                      grazing-incidence neutron spin echo spectroscopy,
                      grazing-incidence small-angle neutron scattering, and
                      corresponding theoretical calculations inspired by
                      smectic-membrane theory. All these methods confirmed the
                      existence of thermal excitations in the plane of the surface
                      of the phospholipid membranes or the corresponding
                      structures, respectively. Also, these measurements revealed
                      a temperature dependence of these excitations. These
                      excitations are associated with 100 nm in-plane correlations
                      around physiological temperatures and of 75 nm at 16∘C. A
                      single excitation has an energy around the μeV-regime. A
                      temperature series revealed a high abundance at
                      physiological temperatures and pronounced long-range
                      in-plane structures, which are strongly suppressed at
                      temperatures below 20∘C. From the length-scales and energy
                      transfers involved we surmise that these excitations may
                      play a role in several functions of the cell membranes such
                      as stability and energy dissipation along the membrane. From
                      a fundamental point of view, the observed behavior of those
                      excitations is congruent with that of a quasi-particle
                      (surface mode phonon, smomon) that exists in the plane of
                      phospholipid membranes.},
      cin          = {JCNS-1 / JCNS-FRM-II},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-1-20110106 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6215 - Soft Matter, Health and Life Sciences (POF3-621) /
                      551 - Functional Macromolecules and Complexes (POF3-551)},
      pid          = {G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-6215 /
                      G:(DE-HGF)POF3-551},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:31310735},
      UT           = {WOS:000498339400002},
      doi          = {10.1016/j.chemphyslip.2019.104788},
      url          = {https://juser.fz-juelich.de/record/863827},
}