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@ARTICLE{Cherstvy:21090,
      author       = {Cherstvy, A.G.},
      title        = {{C}ritical {P}olyelectrolyte {A}dsorption under
                      {C}onfinement: {P}lanar {S}lit, {C}ylindrical {P}ore, and
                      {S}pherical {C}avity},
      journal      = {Biopolymers},
      volume       = {97},
      issn         = {0006-3525},
      address      = {New York, NY},
      publisher    = {Wiley},
      reportid     = {PreJuSER-21090},
      pages        = {311 - 317},
      year         = {2012},
      note         = {Contract grant sponsor: Deutsche Forschungsgemeinschaft
                      (DFG)Contract grant number: CH 707/5-1},
      abstract     = {We explore the properties of adsorption of flexible
                      polyelectrolyte chains in confined spaces between the
                      oppositely charged surfaces in three basic geometries. A
                      method of approximate uniformly valid solutions for the
                      Green function equation for the eigenfunctions of polymer
                      density distributions is developed to rationalize the
                      critical adsorption conditions. The same approach was
                      implemented in our recent study for the "inverse" problem of
                      polyelectrolyte adsorption onto a planar surface, and on the
                      outer surface of rod-like and spherical obstacles. For the
                      three adsorption geometries investigated, the theory yields
                      simple scaling relations for the minimal surface charge
                      density that triggers the chain adsorption, as a function of
                      the Debye screening length and surface curvature. The
                      encapsulation of polyelectrolytes is governed by interplay
                      of the electrostatic attraction energy toward the adsorbing
                      surface and entropic repulsion of the chain squeezed into a
                      thin slit or small cavities. Under the conditions of
                      surface-mediated confinement, substantially larger polymer
                      linear charge densities are required to adsorb a
                      polyelectrolyte inside a charged spherical cavity, relative
                      to a cylindrical pore and to a planar slit (at the same
                      interfacial surface charge density). Possible biological
                      implications are discussed briefly in the end.},
      keywords     = {Adsorption / Computer Simulation / Electrolytes: chemistry
                      / Polymers: chemistry / Surface Properties / Electrolytes
                      (NLM Chemicals) / Polymers (NLM Chemicals) / J (WoSType)},
      cin          = {ICS-2},
      ddc          = {570},
      cid          = {I:(DE-Juel1)ICS-2-20110106},
      pnm          = {BioSoft: Makromolekulare Systeme und biologische
                      Informationsverarbeitung},
      pid          = {G:(DE-Juel1)FUEK505},
      shelfmark    = {Biochemistry $\&$ Molecular Biology / Biophysics},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:22241107},
      UT           = {WOS:000300679200007},
      doi          = {10.1002/bip.22023},
      url          = {https://juser.fz-juelich.de/record/21090},
}