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@ARTICLE{Wypysek:874162,
      author       = {Wypysek, Sarah K. and Scotti, Andrea and Alziyadi, Mohammed
                      O. and Potemkin, Grigory and Denton, Alan R. and Richtering,
                      Walter},
      title        = {{T}ailoring the {C}avity of {H}ollow {P}olyelectrolyte
                      {M}icrogels},
      journal      = {Macromolecular rapid communications},
      volume       = {41},
      number       = {1},
      issn         = {1521-3927},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2020-01262},
      pages        = {1900422 -},
      year         = {2020},
      abstract     = {The authors demonstrate how the size and structure of the
                      cavity of hollow charged microgels may be controlled by
                      varying pH and ionic strength. Hollow charged microgels
                      based on N‐isopropylacrylamide with ionizable
                      co‐monomers (itaconic acid) combine advanced structure
                      with enhanced responsiveness to external stimuli. Structural
                      advantages accrue from the increased surface area provided
                      by the extra internal surface. Extreme sensitivity to pH and
                      ionic strength due to ionizable moieties in the polymer
                      network differentiates these soft colloidal particles from
                      their uncharged counterparts, which sustain a hollow
                      structure only at cross‐link densities sufficiently high
                      that stimuli sensitivity is reduced. Using small‐angle
                      neutron and light scattering, increased swelling of the
                      network in the charged state accompanied by an expanded
                      internal cavity is observed. Upon addition of salt, the
                      external fuzziness of the microgel surface diminishes while
                      the internal fuzziness grows. These structural changes are
                      interpreted via Poisson–Boltzmann theory in the cell
                      model.},
      cin          = {IHRS-BioSoft / ICS-2 / JCNS-FRM-II / MLZ / PGI-7},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IHRS-BioSoft-20161118 /
                      I:(DE-Juel1)ICS-2-20110106 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3 /
                      I:(DE-Juel1)PGI-7-20110106},
      pnm          = {899 - ohne Topic (POF3-899) / 6G15 - FRM II / MLZ
                      (POF3-6G15) / 6G4 - Jülich Centre for Neutron Research
                      (JCNS) (POF3-623) / IHRS-BioSoft - International Helmholtz
                      Research School of Biophysics and Soft Matter
                      (IHRS-BioSoft-20061101)},
      pid          = {G:(DE-HGF)POF3-899 / G:(DE-HGF)POF3-6G15 /
                      G:(DE-HGF)POF3-6G4 / G:(DE-Juel1)IHRS-BioSoft-20061101},
      experiment   = {EXP:(DE-MLZ)KWS2-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:31736176},
      UT           = {WOS:000496821400001},
      doi          = {10.1002/marc.201900422},
      url          = {https://juser.fz-juelich.de/record/874162},
}