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@ARTICLE{Schardt:619008,
      author       = {Schardt, Lisa and Da Vela, Stefano and Guajardo, Alejandro
                      Martínez and Jaugstetter, Maximilian and Tschulik, Kristina
                      and Laschewsky, André and Rosenhahn, Axel},
      title        = {{A}ntipolyelectrolyte {R}esponse of {A}mphiphilic
                      {S}ulfobetaine {P}olymer {C}oatings},
      journal      = {Advanced materials interfaces},
      volume       = {12},
      number       = {6},
      issn         = {2196-7350},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {PUBDB-2024-07318},
      pages        = {2400610},
      year         = {2025},
      note         = {The authors gratefully acknowledge funding by the Deutsche
                      Forschungs-gemeinschaft (DFG) GRK2376/331085229, LA 611/14,
                      RO 2524/4, andONR N00014-20-12244.},
      abstract     = {Zwitterionic, amphiphilic polymer coatings are an effective
                      strategy to decrease biofouling. Yet their performance
                      strongly depends on the mechanical properties, the degree of
                      swelling, and the structure of the swollen hydrogels. These
                      properties depend on the zwitterionic groups in the polymers
                      and the properties of the surrounding electrolyte.
                      Therefore, the influence of the ions present and their
                      concentrations on the swelling behavior of amphiphilic
                      zwitterionic copolymers is studied. Coatings of
                      3-[N-2′-(methacryloyloxy)ethyl-N,N-dimethyl]-ammoniopropane-1-sulfonate
                      (SPE) with increasing amounts of butyl-methacrylate (BMA)
                      are compared to the respective homopolymers PSPE and PBMA.
                      Surface plasmon resonance spectroscopy shows a salt
                      concentration-dependent anti-polyelectrolyte behavior. A
                      variation of the salts revealed that the anions dominated
                      the swelling response, while a change of cations has hardly
                      any effect. Small angle X-ray scattering reveals the
                      morphological changes in the polymer films that accompanied
                      the swelling. With increasing salt concentration, the
                      internal structure changed from compact pores in a gel-like
                      network to elongated cylindrical pores at higher salinities.
                      The understanding gained from the presented multi-technique
                      approach allows to understand the behavior of zwitterionic
                      coatings in saline solutions and helps to tailor the
                      swelling response and mechanical properties for future
                      marine and medical low-fouling applications.},
      cin          = {EMBL-User},
      ddc          = {600},
      cid          = {I:(DE-H253)EMBL-User-20120814},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3) / GRK 2376 - GRK 2376:
                      Umgrenzungsgesteuerte Chemie (331085229) / SINE2020 - World
                      class Science and Innovation with Neutrons in Europe 2020
                      – SINE2020 (654000)},
      pid          = {G:(DE-HGF)POF4-6G3 / G:(GEPRIS)331085229 /
                      G:(EU-Grant)654000},
      experiment   = {EXP:(DE-H253)P-P12-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001354624200001},
      doi          = {10.1002/admi.202400610},
      url          = {https://bib-pubdb1.desy.de/record/619008},
}