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@ARTICLE{Gawlitza:186434,
      author       = {Gawlitza, Kornelia and Radulescu, Aurel and von Klitzing,
                      Regine and Wellert, Stefan},
      title        = {{O}n the structure of biocompatible, thermoresponsive
                      poly(ethylene glycol) microgels},
      journal      = {Polymer},
      volume       = {55},
      number       = {26},
      issn         = {0032-3861},
      address      = {Oxford},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2015-00510},
      pages        = {6717 - 6724},
      year         = {2014},
      abstract     = {The aim of the present study is the preparation and
                      characterization of microgel particles which are, contrary
                      to other microgels, thermoresponsive as well as
                      biocompatible. Hence, monodisperse p-MeO2MA-co-OEGMA
                      microgel particles were synthesized by precipitation
                      polymerization. Swelling/deswelling behavior and the
                      structure of poly(ethylene glycol) (PEG) based microgel
                      particles were investigated. A combination of dynamic light
                      scattering (DLS) and small angle neutron scattering (SANS)
                      was used. Particle size and the volume phase transition
                      temperature (VPTT) are adjustable by changing the amount of
                      comonomer. SANS measurements indicate an inhomogeneous
                      structure of the PEG microgels in the swollen state. At
                      temperatures above the VPTT a compact structure was
                      observed. An increase of the comonomer content leads to a
                      densely packed core and a fuzzy shell in the swollen state.
                      Additionally, nanodomains inside the polymer network were
                      observed in the temperature range around the volume phase
                      transition (VPT). Due to this heterogeneous structure in the
                      swollen state two correlation lengths of the network
                      fluctuations were observed.},
      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:000346887700010},
      doi          = {10.1016/j.polymer.2014.10.069},
      url          = {https://juser.fz-juelich.de/record/186434},
}