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@PHDTHESIS{Riest:810730,
      author       = {Riest, Jonas},
      title        = {{D}ynamics in colloid and protein systems:
                      {H}ydrodynamically structured particles, and dispersions
                      with competing attractive and repulsive interactions},
      volume       = {127},
      school       = {Universität Düsseldorf},
      type         = {Dr.},
      address      = {Jülich},
      publisher    = {Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag},
      reportid     = {FZJ-2016-03322},
      isbn         = {978-3-95806-153-8},
      series       = {Schriften des Forschungszentrums Jülich. Reihe
                      Schlüsseltechnologien / Key Technologies},
      pages        = {IX, 226 S.},
      year         = {2016},
      note         = {Universität Düsseldorf, Diss., 2016},
      abstract     = {In this thesis, we develop and apply a toolbox of versatile
                      theoretical methods of calculating structural, and
                      short-time and long-time dynamic properties of three classes
                      of industrially important dispersions. The first one are
                      suspensions of hydrodynamically structured colloidal
                      particles, and here most notably non-ionic microgels. The
                      second class are dispersions of submicron sized
                      charge-stabilized colloidal globules, and the third one are
                      globular protein solutions with competing short-range
                      attraction (SA) and long-range repulsion (LR). The results
                      for the transport, structure, and thermodynamic properties
                      of charge-stabilized colloids are used as input in our
                      realistic macroscopic diffusion-advection modeling of the
                      membrane cross-flow ultrafiltration of silica particles
                      dispersions. The thesis bridges thus the gap from the
                      theoretical exploration of intra-particle properties such as
                      solvent permeability, particle softness, and surface charge,
                      to the calculation of transport, structural, and
                      thermodynamic properties of concentrated dispersions, and to
                      the modeling of a technologically important fltration
                      process. The accuracy of our toolbox methods is assessed by
                      the comprehensive comparison with experimental measurements
                      of, and simulation results for static and dynamic
                      properties. The considered dynamic properties include short-
                      and long-time self-diusion and sedimentation coefficients,
                      the wavenumber-dependent diffusion function determined
                      routinely in dynamic scattering experiments, and the zero-
                      and high-frequency shear viscosities. In particular, we
                      provide various analytic transport coefficient expressions
                      for rigid permeable particles that can be readily used for
                      the analysis of dynamic scattering and rheology data. The
                      toolbox methods for the calculation of transport properties
                      of concentrated dispersions of globular colloidal particles
                      with internal hydrodynamic structure are based on the
                      hydrodynamic radius model (HRM) wherein the internal
                      particle structure is mapped on an effective hydrodynamic
                      radius for unchanged direct interactions. The good
                      performance of the HRM is demonstrated by comparison with
                      dynamic light scattering experiments on concentrated
                      suspensions of solvent permeable non-ionic microgels.
                      Furthermore, we quantify the effect of particle softness and
                      permeability on the dynamics of ionic microgel suspensions,
                      and we characterize the particle interactions and
                      microstructure inpolydisperse amphoteric microgel systems in
                      the zwitterionic regime. [...]},
      cin          = {ICS-3},
      cid          = {I:(DE-Juel1)ICS-3-20110106},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551)},
      pid          = {G:(DE-HGF)POF3-551},
      typ          = {PUB:(DE-HGF)11},
      url          = {https://juser.fz-juelich.de/record/810730},
}