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@ARTICLE{Inal:201085,
      author       = {Inal, Sahika and Chiappisi, Leonardo and Kölsch, Jonas D.
                      and Kraft, Mario and Appavou, Marie-Sousai and Scherf,
                      Ullrich and Wagner, Manfred and Hansen, Michael Ryan and
                      Gradzielski, Michael and Laschewsky, André and Neher,
                      Dieter},
      title        = {{T}emperature-{R}egulated {F}luorescence and {A}ssociation
                      of an {O}ligo(ethyleneglycol)methacrylate-{B}ased
                      {C}opolymer with a {C}onjugated {P}olyelectrolyte—{T}he
                      {E}ffect of {S}olution {I}onic {S}trength},
      journal      = {The journal of physical chemistry / B},
      volume       = {117},
      number       = {46},
      issn         = {1520-5207},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {FZJ-2015-03395},
      pages        = {14576 - 14587},
      year         = {2013},
      abstract     = {Aqueous mixtures of a dye-labeled non-ionic
                      thermoresponsive copolymer and a conjugated cationic
                      polyelectrolyte are shown to exhibit characteristic changes
                      in fluorescence properties in response to temperature and to
                      the presence of salts, enabling a double-stimuli
                      responsiveness. In such mixtures at room temperature, i.e.,
                      well below the lower critical solution temperature (LCST),
                      the emission of the dye is strongly quenched due to energy
                      transfer to the polycation, pointing to supramolecular
                      interactions between the two macromolecules. Increasing the
                      concentration of salts weakens the interpolymer
                      interactions, the extent of which is simultaneously
                      monitored from the change in the relative emission intensity
                      of the components. When the mixture is heated above its
                      LCST, the transfer efficiency is significantly reduced,
                      signaling a structural reorganization process, however,
                      surprisingly only if the mixture contains salt ions. To
                      elucidate the reasons behind such thermo- and ion-sensitive
                      fluorescence characteristics, we investigate the effect of
                      salts of alkali chlorides, in particular of NaCl, on the
                      association behavior of these macromolecules before and
                      after the polymer phase transition by a combination of
                      UV–vis, fluorescence, and 1H NMR spectroscopy with light
                      scattering and small-angle neutron scattering measurements},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {54G - JCNS (POF2-54G24)},
      pid          = {G:(DE-HGF)POF2-54G24},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000327557700040},
      doi          = {10.1021/jp408864s},
      url          = {https://juser.fz-juelich.de/record/201085},
}