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@ARTICLE{Murmiliuk:1005333,
      author       = {Murmiliuk, Anastasiia and Hladysh, Sviatoslav and Filippov,
                      Sergey K. and Stepanek, Miroslav},
      title        = {{C}omprehensive {M}ultidimensional {C}haracterization of
                      {P}olyelectrolytes and {I}nterpolyelectrolyte {C}omplexes in
                      {A}queous {S}olutions},
      journal      = {Reviews and advances in chemistry},
      volume       = {12},
      number       = {3},
      issn         = {2634-8276},
      address      = {[Road Town, Tortola]},
      publisher    = {Pleiades Publishing, Ltd},
      reportid     = {FZJ-2023-01442},
      pages        = {163 - 177},
      year         = {2022},
      abstract     = {In this paper we give the overview of our latest results on
                      the complexation between polyelectrolytes and oppositely
                      charged low-molar mass species, proteins, homopolymers and
                      block copolymers. First, we review the results on the study
                      of the interaction of polythiophene-based polycations with
                      phosphonium and ammonium pendants and their complexation
                      with negatively charged multivalent species followed by
                      fluorescence quenching. We proved that multivalent solutes
                      bind to polyelectrolyte stronger than to previously studied
                      polythiophene, thus, allowing for their application as
                      luminescence sensors. Secondly, we investigated the
                      co-assembly of polyanion with double hydrophilic block
                      copolymer composed of polycationic block and neutral
                      hydrophilic block and followed the complex formation by
                      quenching of fluorescence of the indicator attached to the
                      end of polyanion chain. We discovered that the formed
                      interpolyelectrolyte (IPEC) core of core/shell micelles
                      remains dynamical even after equilibrium was reached thus
                      making such systems suitable materials for targeted delivery
                      of multivalent species. In addition, the formation of
                      micelles with fluid cores was observed as a result of
                      self-assembly of di- and triblock polyelectrolytes
                      containing a hydrophobic block with low glass transition
                      temperature and a positively charged block. We proved their
                      ability to encapsulate and release hydrophobic species from
                      the soft core upon dilution. Moreover, we confirmed their
                      ability to complex with multivalent negatively charged
                      species. The morphology of the formed complex strongly
                      depends on ionic strength: the aggregates formed by micelles
                      bonded at the periphery disrupt with increasing salt
                      concentration and a part of multivalent ions releases into
                      solution. Finally, the multilayered nanoparticles with both
                      soft hydrophobic and IPEC layers were designed by
                      co-assembly between core/shell micelles with a soft core and
                      a positively charged shell, and block polyelectrolyte
                      composed of polyanion and neutral hydrophilic blocks. We
                      showed that the morphology of the particles and the charge
                      of IPEC layer of such multicompartment nanostructures can be
                      controlled by the ratio of oppositely charged monomeric
                      units.},
      cin          = {JCNS-4 / JCNS-FRM-II / MLZ},
      cid          = {I:(DE-Juel1)JCNS-4-20201012 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
                      (POF4-6G4) / 632 - Materials – Quantum, Complex and
                      Functional Materials (POF4-632)},
      pid          = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-632},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1134/S263482762260013X},
      url          = {https://juser.fz-juelich.de/record/1005333},
}