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@ARTICLE{Schmidt:188597,
      author       = {Schmidt, Daniel and Monzel, Cornelia and Bihr, Timo and
                      Merkel, Rudolf and Seifert, Udo and Sengupta, Kheya and
                      Smith, Ana-Sunčana},
      title        = {{S}ignature of a {N}onharmonic {P}otential as {R}evealed
                      from a {C}onsistent {S}hape and {F}luctuation {A}nalysis of
                      an {A}dherent {M}embrane},
      journal      = {Physical review / X},
      volume       = {4},
      number       = {2},
      issn         = {2160-3308},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2015-01940},
      pages        = {021023},
      year         = {2014},
      abstract     = {The interaction of fluid membranes with a scaffold, which
                      can be a planar surface or a more complex structure, is
                      intrinsic to a number of systems from artificial supported
                      bilayers and vesicles to cellular membranes. In principle,
                      these interactions can be either discrete and protein
                      mediated, or continuous. In the latter case, they emerge
                      from ubiquitous intrinsic surface interaction potentials as
                      well as nature-designed steric contributions of the
                      fluctuating membrane or from the polymers of the glycocalyx.
                      Despite the fact that these nonspecific potentials are
                      omnipresent, their description has been a major challenge
                      from experimental and theoretical points of view. Here, we
                      show that a full understanding of the implications of the
                      continuous interactions can be achieved only by expanding
                      the standard superposition models commonly used to treat
                      these types of systems, beyond the usual harmonic level of
                      description. Supported by this expanded theoretical
                      framework, we present three independent, yet mutually
                      consistent, experimental approaches to measure the
                      interaction potential strength and the membrane tension.
                      Upon explicitly taking into account the nature of shot noise
                      as well as the nature of finite experimental resolution,
                      excellent agreement with the augmented theory is obtained,
                      which finally provides a coherent view of the behavior of
                      the membrane in the vicinity of a scaffold.},
      cin          = {ICS-7},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ICS-7-20110106},
      pnm          = {453 - Physics of the Cell (POF2-453)},
      pid          = {G:(DE-HGF)POF2-453},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000336121500002},
      doi          = {10.1103/PhysRevX.4.021023},
      url          = {https://juser.fz-juelich.de/record/188597},
}