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@ARTICLE{Maccarrone:810972,
      author       = {Maccarrone, Simona and Ghavami, Ali and Holderer, Olaf and
                      Scherzinger, Christine and Lindner, Peter and Richtering,
                      Walter and Richter, Dieter and Winkler, Roland G.},
      title        = {{D}ynamic {S}tructure {F}actor of {C}ore–{S}hell
                      {M}icrogels: {A} {N}eutron {S}cattering and {M}esoscale
                      {H}ydrodynamic {S}imulation {S}tudy},
      journal      = {Macromolecules},
      volume       = {49},
      number       = {9},
      issn         = {1520-5835},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2016-03527},
      pages        = {3608 - 3618},
      year         = {2016},
      abstract     = {Polymeric microgels with core–shell morphology provide
                      promising properties for many applications such as
                      controlled uptake and release of guest nanoparticles. In
                      this work we investigated how the structure and dynamics of
                      the core and the shell in the microgel are coupled using
                      both experimental and computer simulation approaches. The
                      studied core–shell model systems which consist of a
                      collapsed core and a swollen shell (CCSS) and a swollen core
                      and collapsed shell (SCCS) show a different behavior in both
                      structure and dynamics. The intermediate scattering profiles
                      obtained from neutron spin echo (NSE) spectroscopy of CCSS
                      microgels show an initial fast decay similar to that of bare
                      swollen microgels followed by a slow decay similar to that
                      of a purely collapsed microgel. This is also reflected in
                      mesoscale hydrodynamic simulations using the multiparticle
                      collision dynamics method. In the case of CCSS microgels,
                      the decay rate of the intermediate scattering functions
                      shows a crossover from collective diffusive dynamics at low
                      wavenumbers to a Zimm-type dynamics at larger wavenumbers.
                      This is similar to the behavior of a purely swollen
                      microgels. In the case of SCCS microgels, the intermediate
                      scattering profiles from experiment and simulations show a
                      slow dynamics at small as well as large wavenumbers.
                      Studying the dynamics of the individual compartments in the
                      simulated structures suggests that the slower dynamics in
                      SCCS microgels can be attributed to the collective motion of
                      collapsed and aggregated shell parts which form in the
                      periphery of the microgel. Additionally, in both CCSS and
                      SCCS microgels, a slowdown of the dynamics is observed in
                      the swollen compartment compared to the bare swollen
                      microgel, which is a result of the interplay between core
                      and shell compartments.},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / MLZ / Neutronenstreuung ; JCNS-1
                      / ICS-2 / IAS-2},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)ICS-2-20110106 /
                      I:(DE-Juel1)IAS-2-20090406},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551) /
                      6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623) / 6215 - Soft Matter,
                      Health and Life Sciences (POF3-621) / IHRS-BioSoft -
                      International Helmholtz Research School of Biophysics and
                      Soft Matter (IHRS-BioSoft-20061101)},
      pid          = {G:(DE-HGF)POF3-551 / G:(DE-HGF)POF3-6G15 /
                      G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-6215 /
                      G:(DE-Juel1)IHRS-BioSoft-20061101},
      experiment   = {EXP:(DE-MLZ)J-NSE-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000375809700043},
      doi          = {10.1021/acs.macromol.6b00232},
      url          = {https://juser.fz-juelich.de/record/810972},
}