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@ARTICLE{Riest:255991,
author = {Riest, Jonas and Naegele, Gerhard},
title = {{S}hort-time dynamics in dispersions with competing
short-range attraction and long-range repulsion},
journal = {Soft matter},
volume = {11},
number = {48},
issn = {1744-6848},
address = {London},
publisher = {Royal Soc. of Chemistry},
reportid = {FZJ-2015-06047},
pages = {9273-9280},
year = {2015},
abstract = {Dynamic clustering of globular Brownian particles in
dispersions exhibiting competing short-range attraction and
long-range repulsion (SALR) such as low-salinity protein
solutions has gained a lot of interest over the past few
years. While the structure of the various cluster phases has
been intensely explored, little is known about the dynamics
of SALR systems. We present the first systematic theoretical
study of short-time diffusion and rheological transport
properties of two-Yukawa potential SALR systems in the
single-particle dominated dispersed-fluid phase, using
semi-analytic methods where the salient hydrodynamic
interactions are accounted for. We show that the dynamics
has unusual features compared to reference systems with pure
repulsion or attraction. Results are discussed for the
hydrodynamic function characterizing short-time diffusion
that reveals an intermediate-range-order (cluster) peak,
self-diffusion and sedimentation coefficients, and
high-frequency viscosity. As important applications, we
discuss the applicability of two generalized
Stokes–Einstein relations, and assess the wavenumber range
required for the determination of self-diffusion in a
dynamic scattering experiment.},
cin = {ICS-3},
ddc = {530},
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)16},
UT = {WOS:000365908000005},
doi = {10.1039/C5SM02099A},
url = {https://juser.fz-juelich.de/record/255991},
}