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@ARTICLE{Adelsberger:8965,
      author       = {Adelsberger, J. and Kulkarni, A. and Jain, A. and Wang, W.
                      and Bivigou-Koumba, A.M. and Busch, P. and Pipich, V. and
                      Holderer, O. and Hellweg, T. and Laschewsky, A. and
                      Müller-Buschbaum, P.Ü and Papadakis, C.M.},
      title        = {{T}hermoresponsive {PS}-b-{PNIPAM}-b-{PS} {M}icelles:
                      {A}ggregation {B}ehavior, {S}egmental {D}ynamics, and
                      {T}hermal {R}esponse},
      journal      = {Macromolecules},
      volume       = {43},
      issn         = {0024-9297},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {PreJuSER-8965},
      pages        = {2490 - 2501},
      year         = {2010},
      note         = {We thank W. Doster and A.-K. Sommer for assistance with the
                      DLS experiments and fruitful discussions. We kindly
                      acknowledge given beam time by the Julich Centre for Neutron
                      Science at FRM II. This work was supported by the DFG
                      priority program SPP1259 "Intelligente Hydrogele" (Pa771/4
                      Mu1487/8, La611/7, He2995/2-2). A.M.B.-K. gratefully
                      acknowledges a personal grant from Deutscher Akademischer
                      Austauschdienst (DAAD).},
      abstract     = {We have studied I lie thermal behavior of amphiphilic,
                      symmetric triblock copolymers having short, deuterated
                      polystyrene (PS) end blocks and a large
                      poly(N-isopropylacrylarnicle) (PNIPAM) middle block
                      exhibiting a lower critical solution temperature (LCST) in
                      aqueous solution. A wide range of concentrations (0.1-300
                      mg/mL) is investigated using it number of analytical methods
                      such as fluorescence correlation spectroscopy (FCS),
                      turbidimetry, dynamic light scattering (DLS), small-angle
                      neutron scattering (SANS), and neutron spin-echo
                      spectroscopy (NSE). The critical micelle concentration is
                      determined using FCS to be 1 mu M or less. The collapse of
                      the micelles at the LCST is investigated using turbidimetry
                      and DLS and shows a weak dependence on the degree of
                      polymerization of the PNIPAM block. SANS with contrast
                      matching allows its to reveal the core-shell Structure of
                      the micelles as well as their correlation as a function of
                      temperature. The segmental dynamics of the PNIPAM shell are
                      studied as a function of temperature and arc found to be
                      faster in the collapsed state than in the swollen state. The
                      mode detected has a linear dispersion in q(2) and is found
                      to be faster in the collapsed state as compared to the
                      swollen state. We attribute this result to the averaging
                      over mobile and immobilized segments.},
      keywords     = {J (WoSType)},
      cin          = {IFF-4 / Jülich Centre for Neutron Science JCNS (JCNS) ;
                      JCNS},
      ddc          = {540},
      cid          = {I:(DE-Juel1)VDB784 / I:(DE-Juel1)JCNS-20121112},
      pnm          = {BioSoft: Makromolekulare Systeme und biologische
                      Informationsverarbeitung},
      pid          = {G:(DE-Juel1)FUEK505},
      experiment   = {EXP:(DE-MLZ)J-NSE-20140101 / EXP:(DE-MLZ)KWS2-20140101},
      shelfmark    = {Polymer Science},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000274928400051},
      doi          = {10.1021/ma902714p},
      url          = {https://juser.fz-juelich.de/record/8965},
}