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@ARTICLE{Riest:276402,
      author       = {Riest, Jonas and Athanasopoulou, Labrini and Egorov, Sergei
                      A. and Likos, Christos N. and Ziherl, Primož},
      title        = {{E}lasticity of polymeric nanocolloidal particles},
      journal      = {Scientific reports},
      volume       = {5},
      issn         = {2045-2322},
      address      = {London},
      publisher    = {Nature Publishing Group},
      reportid     = {FZJ-2015-06850},
      pages        = {15854 -},
      year         = {2015},
      abstract     = {Softness is an essential mechanical feature of
                      macromolecular particles such as polymer-grafted
                      nanocolloids, polyelectrolyte networks, cross-linked
                      microgels as well as block copolymer and dendrimer micelles.
                      Elasticity of individual particles directly controls their
                      swelling, wetting, and adsorption behaviour, their
                      aggregation and self-assembly as well as structural and
                      rheological properties of suspensions. Here we use numerical
                      simulations and self-consistent field theory to study the
                      deformation behaviour of a single spherical polymer brush
                      upon diametral compression. We observe a universal response,
                      which is rationalised using scaling arguments and
                      interpreted in terms of two coarse-grained models. At small
                      and intermediate compressions the deformation can be
                      accurately reproduced by modelling the brush as a liquid
                      drop, whereas at large compressions the brush behaves as a
                      soft ball. Applicable far beyond the pairwise-additive
                      small-strain regime, the models may be used to describe
                      microelasticity of nanocolloids in severe confinement
                      including dense disordered and crystalline phases.},
      cin          = {ICS-3},
      ddc          = {000},
      cid          = {I:(DE-Juel1)ICS-3-20110106},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551)},
      pid          = {G:(DE-HGF)POF3-551},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000363904200001},
      pubmed       = {pmid:26522242},
      doi          = {10.1038/srep15854},
      url          = {https://juser.fz-juelich.de/record/276402},
}