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000810730 0247_ $$2Handle$$a2128/11965
000810730 0247_ $$2ISSN$$a1866-1807
000810730 020__ $$a978-3-95806-153-8
000810730 037__ $$aFZJ-2016-03322
000810730 041__ $$aEnglish
000810730 1001_ $$0P:(DE-Juel1)156528$$aRiest, Jonas$$b0$$eCorresponding author$$gmale$$ufzj
000810730 245__ $$aDynamics in colloid and protein systems: Hydrodynamically structured particles, and dispersions with competing attractive and repulsive interactions$$f- 2016-04-27
000810730 260__ $$aJülich$$bForschungszentrum Jülich GmbH Zentralbibliothek, Verlag$$c2016
000810730 300__ $$aIX, 226 S.
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000810730 3367_ $$2BibTeX$$aPHDTHESIS
000810730 3367_ $$02$$2EndNote$$aThesis
000810730 3367_ $$0PUB:(DE-HGF)11$$2PUB:(DE-HGF)$$aDissertation / PhD Thesis$$bphd$$mphd$$s1469537123_2708
000810730 3367_ $$2DRIVER$$adoctoralThesis
000810730 4900_ $$aSchriften des Forschungszentrums Jülich. Reihe Schlüsseltechnologien / Key Technologies$$v127
000810730 502__ $$aUniversität Düsseldorf, Diss., 2016$$bDr.$$cUniversität Düsseldorf$$d2016$$o2016-04-27
000810730 520__ $$aIn 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. [...]
000810730 536__ $$0G:(DE-HGF)POF3-551$$a551 - Functional Macromolecules and Complexes (POF3-551)$$cPOF3-551$$fPOF III$$x0
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000810730 9141_ $$y2016
000810730 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)156528$$aForschungszentrum Jülich$$b0$$kFZJ
000810730 9131_ $$0G:(DE-HGF)POF3-551$$1G:(DE-HGF)POF3-550$$2G:(DE-HGF)POF3-500$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$aDE-HGF$$bKey Technologies$$lBioSoft – Fundamentals for future Technologies in the fields of Soft Matter and Life Sciences$$vFunctional Macromolecules and Complexes$$x0
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