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@ARTICLE{Holmqvist:111854,
      author       = {Holmqvist, P. and Mohanty, P.S. and Nägele, G. and
                      Schurtenberger, P. and Heinen, M.},
      title        = {{S}tructure and {D}ynamics of {L}oosely {C}ross-{L}inked
                      {I}onic {M}icrogel {D}ispersions in the {F}luid {R}egime},
      journal      = {Physical review letters},
      volume       = {109},
      issn         = {0031-9007},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-111854},
      pages        = {048302},
      year         = {2012},
      note         = {We thank Simon Rogers (Research Centre Julich) for
                      carefully proofreading the letter. P. S. M. and P. S.
                      acknowledge financial support from the Swiss National
                      Science Foundation. G. N. and M. H. acknowledge support from
                      the Deutsche Forschungsgemeinschaft (project B2 in
                      SFB-TR6).},
      abstract     = {We report a comprehensive experimental-theoretical study of
                      the temperature-and concentration-dependent swelling
                      behavior of weakly cross-linked PNiPAm ionic microgel
                      particles in the deionized fluid phase. The particles swell
                      reversibly when the dispersion is cooled from the collapsed
                      state to lower temperatures. While the collapsed state shows
                      no dependence on the microgel number density, the swelling
                      at lower T is more pronounced at lower concentrations. The
                      static pair correlations and short-time diffusion functions,
                      and the concentration and temperature dependence of the
                      microgel radius and effective charge, are studied using
                      static and dynamic light scattering in combination with
                      state-of-the-art analytical theoretical schemes based on a
                      Yukawa-type effective pair potential and a core-shell model.
                      We show that only such a combined, simultaneous fit of
                      static and dynamic scattering functions allows for an
                      unambiguous determination of the microgel radius and
                      effective charge.},
      keywords     = {J (WoSType)},
      cin          = {ICS-3},
      ddc          = {550},
      cid          = {I:(DE-Juel1)ICS-3-20110106},
      pnm          = {BioSoft: Makromolekulare Systeme und biologische
                      Informationsverarbeitung},
      pid          = {G:(DE-Juel1)FUEK505},
      shelfmark    = {Physics, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000306933000012},
      doi          = {10.1103/PhysRevLett.109.048302},
      url          = {https://juser.fz-juelich.de/record/111854},
}