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@ARTICLE{Dubbert:186435,
      author       = {Dubbert, Janine and Honold, Tobias and Pedersen, Jan Skov
                      and Radulescu, Aurel and Drechsler, Markus and Karg,
                      Matthias and Richtering, Walter},
      title        = {{H}ow {H}ollow {A}re {T}hermoresponsive {H}ollow
                      {N}anogels?},
      journal      = {Macromolecules},
      volume       = {47},
      number       = {24},
      issn         = {1520-5835},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2015-00511},
      pages        = {8700 - 8708},
      year         = {2014},
      abstract     = {A main challenge in colloid science is the development of
                      smart delivery systems that store and protect actives from
                      degradation and allow release in response to an external
                      stimulus like temperature. Hollow nanogel capsules made of
                      temperature-sensitive polymers are particularly promising
                      materials. The stimuli-sensitive void size, shell thickness,
                      and permeability determine cargo storage and its release
                      behavior. Thus, determination and control of these
                      morphological parameters are of outmost relevance for the
                      design of new, functional drug delivery vehicles. Here we
                      investigate quantitatively void size and shell thickness of
                      hollow nanogels at different states of swelling by means of
                      small-angle neutron scattering (SANS) employing contrast
                      variation. We demonstrate the structure-sensitivity dilemma:
                      hollow nanogels with a slightly cross-linked shell reveal
                      distinct temperature sensitivity but possess nearly no void
                      $(14\%$ of the initial core volume) and are thus hardly
                      “hollow”. Nanogels with a stiff shell are indeed hollow
                      (albeit with smaller void as compared to the core size of
                      the template) but less temperature sensitive.},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1 /
                      ICS-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)ICS-1-20110106},
      pnm          = {451 - Soft Matter Composites (POF2-451) / 54G - JCNS
                      (POF2-54G24)},
      pid          = {G:(DE-HGF)POF2-451 / G:(DE-HGF)POF2-54G24},
      experiment   = {EXP:(DE-MLZ)KWS2-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000347138300026},
      doi          = {10.1021/ma502056y},
      url          = {https://juser.fz-juelich.de/record/186435},
}