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@ARTICLE{Gordeliy:49347,
      author       = {Gordeliy, V. I. and Cherezov, V. G. and Teixeira, J.},
      title        = {{S}trength of thermal undulations of phospholipid
                      membranes},
      journal      = {Physical review / E},
      volume       = {72},
      number       = {6},
      issn         = {1539-3755},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-49347},
      pages        = {061913},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The temperature dependence of intermembrane interactions in
                      freely suspended multilamellar membranes of
                      dimiristoylphosphatidylcholine in D2O was studied using
                      small-angle neutron scattering (SANS) and high-resolution
                      x-ray diffraction (HRXRD). The study reveals that the
                      Helfrich's undulation force is the dominating repulsion
                      force at temperatures above 48.6 degrees C and intermembrane
                      distances larger than 20.5 A. At similar to 77 degrees C the
                      onset of the unbinding transition in the multilamellar
                      membranes is observed. This transition has a continuous
                      behavior in agreement with theoretical predictions and
                      proceeds in accordance with a two-state model. Complimentary
                      analysis of SANS and HRXRD data permits accurate calculation
                      of the fundamental undulation force constant c(fl). The
                      obtained value of c(fl)=0.111 +/- 0.005 is in good agreement
                      with theoretical calculations. The results of this work
                      demonstrate a key role of Helfrich's undulations in the
                      balance of intermembrane interactions of lipid membranes
                      under physiological temperatures and suggest that thermal
                      undulations play an important part in the interactions of
                      biological membranes. The agreement of the predictions with
                      the experimental data confirms that lipid membranes can be
                      considered as random fluctuating surfaces that can be
                      described well by current theoretical models and that they
                      can serve as a powerful tool for studying behavior of such
                      surfaces.},
      keywords     = {J (WoSType)},
      cin          = {IBI-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB58},
      pnm          = {Neurowissenschaften},
      pid          = {G:(DE-Juel1)FUEK255},
      shelfmark    = {Physics, Fluids $\&$ Plasmas / Physics, Mathematical},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000235064800061},
      doi          = {10.1103/PhysRevE.72.061913},
      url          = {https://juser.fz-juelich.de/record/49347},
}