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@ARTICLE{Schmid:171775,
      author       = {Schmid, Andreas Josef and Riest, Jonas and Eckert, Thomas
                      and Lindner, Peter and Naegele, Gerhard and Richtering,
                      Walter},
      title        = {{C}omparison of the {M}icrostructure of {S}timuli
                      {R}esponsive {Z}witterionic {PNIPAM}-co-{S}ulfobetaine
                      {M}icrogels with {PNIPAM} {M}icrogels and {C}lassical
                      {H}ard-{S}phere {S}ystems},
      journal      = {Zeitschrift für physikalische Chemie},
      volume       = {228},
      number       = {ISSN (Online) 2196-7156, ISSN (Print) 0942-9352},
      issn         = {0942-9352},
      address      = {Berlin},
      publisher    = {De @Gruyter},
      reportid     = {FZJ-2014-05340},
      pages        = {1033-1052},
      year         = {2014},
      abstract     = {In this study, we compare the experimental static structure
                      factors of concentrated solutions of amphoteric
                      poly(N-isopropylacrylamide) (PNIPAM) microgels with those of
                      the polydisperse hard-sphere model. We use zwitterionic
                      microgels as model systems for amphoteric microgels with an
                      equal amount of positive and negative charges located in a
                      defined distance. Using small angle neutron scattering
                      (SANS), we measure the static structure factors, SM(q), of a
                      series of zwitterionic microgels with increasing amount of
                      zwitterion, including a reference sample of pure PNIPAM. The
                      experimental SM(q) is compared with predictions based on the
                      Percus-Yevick approximation for hard spheres. We also
                      compare with the PNIPAM reference sample measured for
                      zwitterionic microgels. We find no significant influence of
                      the zwitterionic comonomer on the effective pair potential.
                      The PNIPAM and the zwitterionic microgels can be described
                      by the hard-sphere model for smaller volume fractions
                      ϕT ≲ 0.4 only.},
      cin          = {ICS-3},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ICS-3-20110106},
      pnm          = {451 - Soft Matter Composites (POF2-451)},
      pid          = {G:(DE-HGF)POF2-451},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000347491400006},
      doi          = {10.1515/zpch-2014-0559},
      url          = {https://juser.fz-juelich.de/record/171775},
}