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@ARTICLE{Buvalaia:1014223,
      author       = {Buvalaia, Ekaterina and Kruteva, Margarita and Hoffmann,
                      Ingo and Radulescu, Aurel and Förster, Stephan and Biehl,
                      Ralf},
      title        = {{I}nterchain {H}ydrodynamic {I}nteraction and {I}nternal
                      {F}riction of {P}olyelectrolytes},
      journal      = {ACS Macro Letters},
      volume       = {12},
      number       = {9},
      issn         = {2161-1653},
      address      = {Washington, DC},
      publisher    = {ACS},
      reportid     = {FZJ-2023-03207},
      pages        = {1218 - 1223},
      year         = {2023},
      abstract     = {Polyelectrolytes (PE) are polymeric macromolecules in
                      aqueous solutions characterized by their chain topology and
                      intrinsic charge in a neutralizing fluid. Structure and
                      dynamics are related to several characteristic screening
                      length scales determined by electrostatic, excluded volume,
                      and hydrodynamic interactions. We examine PE dynamics in
                      dilute to semidilute conditions using dynamic light
                      scattering, neutron spinecho spectroscopy, and pulse field
                      gradient NMR spectroscopy. We connect macroscopic diffusion
                      to segmental chain dynamics, revealing a decoupling of local
                      chain dynamics from interchain interactions. Collective
                      diffusion is described within a colloidal picture, including
                      electrostatic and hydrodynamic interactions. Chain dynamics
                      is characterized by the classical Zimm model of a neutral
                      chain retarded by internal friction. We observe that
                      hydrodynamic interactions are not fully screened between
                      chains and that the internal friction within the chain
                      increases with an increase in ion condensation on the
                      chain.},
      cin          = {JCNS-1 / MLZ / IBI-8 / JCNS-FRM-II / JCNS-4},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-1-20110106 / I:(DE-588b)4597118-3 /
                      I:(DE-Juel1)IBI-8-20200312 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-4-20201012},
      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)KWS2-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {37624592},
      UT           = {WOS:001190534800001},
      doi          = {10.1021/acsmacrolett.3c00409},
      url          = {https://juser.fz-juelich.de/record/1014223},
}