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@ARTICLE{Riest:188112,
      author       = {Riest, Jonas and Eckert, Thomas and Richtering, Walter and
                      Naegele, Gerhard},
      title        = {{D}ynamics of suspensions of hydrodynamically structured
                      particles: analytic theory and applications to experiments},
      journal      = {Soft matter},
      volume       = {11},
      number       = {14},
      issn         = {1744-6848},
      address      = {London},
      publisher    = {Royal Soc. of Chemistry},
      reportid     = {FZJ-2015-01579},
      pages        = {2821-2843},
      year         = {2015},
      abstract     = {We present an easy-to-use analytic toolbox for the
                      calculation of short-time transport properties of
                      concentrated suspensions of spherical colloidal particles
                      with internal hydrodynamic structure, and direct
                      interactions described by a hard-core or soft Hertz pair
                      potential. The considered dynamic properties include
                      self-diffusion and sedimentation coefficients, the
                      wavenumber-dependent diffusion function determined in
                      dynamic scattering experiments, and the high-frequency shear
                      viscosity. The toolbox is based on the hydrodynamic radius
                      model (HRM) wherein the internal particle structure is
                      mapped on a hydrodynamic radius parameter for unchanged
                      direct interactions, and on an existing simulation data base
                      for solvent-permeable and spherical annulus particles.
                      Useful scaling relations for the diffusion function and
                      self-diffusion coefficient, known to be valid for hard-core
                      interaction, are shown to apply also for soft pair
                      potentials. We further discuss extensions of the toolbox to
                      long-time transport properties including the low-shear
                      zero-frequency viscosity and the long-time self-diffusion
                      coefficient. The versatility of the toolbox is demonstrated
                      by the analysis of a previous light scattering study of
                      suspensions of non-ionic PNiPAM microgels [Eckert et al., J.
                      Chem. Phys., 2008, 129, 124902] in which a detailed
                      theoretical analysis of the dynamic data was left as an open
                      task. By the comparison with Hertz potential based
                      calculations, we show that the experimental data are
                      consistently and accurately described using the
                      Verlet–Weis corrected Percus–Yevick structure factor as
                      input, and for a solvent penetration length equal to three
                      percent of the excluded volume radius. This small amount of
                      solvent permeability of the microgel particles has a
                      significant dynamic effect at larger concentrations.},
      cin          = {ICS-3},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ICS-3-20110106},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551) /
                      SFB 985 B06 - Kontinuierliche Trennung und Aufkonzentrierung
                      von Mikrogelen (B06) (221475706)},
      pid          = {G:(DE-HGF)POF3-551 / G:(GEPRIS)221475706},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000351711800013},
      pubmed       = {pmid:25707362},
      doi          = {10.1039/C4SM02816C},
      url          = {https://juser.fz-juelich.de/record/188112},
}