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@INPROCEEDINGS{Lang:188809,
author = {Lang, Peter R. and Dhont, Jan K. G. and July, Christoph and
Desio, Silvia and Holmqvist, Peter and Lisicki, Maciej and
Cichocki, B.},
title = {{N}ear {W}all {P}roperties of {C}olloids {S}tudied by
{E}vanescent {W}ave},
school = {IPF TU-Dresden},
reportid = {FZJ-2015-02117},
year = {2014},
abstract = {Over the last decade we developed instrumental equipment,
based onevanescent light scattering, to investigate the
static interaction of colloidalparticles with an adjacent
wall, as well as the near wall dynamics of theseparticles.
In this talk I will give an introduction to the techniques,
beforediscussing recent experiments.Using Total internal
Reflection Microscopy (TIRM), we investigated thedepletion
interaction induced by rod– and disc– shaped particles
at rest andunder the influence of flow fields. There we
could show that the strength ofthese depletion potentials
can be tuned by the applied shear rate.Using Evanescent Wave
Dynamic Light Scattering (EWDLS) we studied thedynamics of
particles close to a flat interface, providing experimental
prove forthe long standing theoretical prediction that
particle dynamics near walls areslowed down and are
anisotropic. For the first time, we showed thatrotational
and translational contributions to the particles near wall
dynamicscan be separated experimentally.},
organization = {Kolloquium des Instituts für
Polymerforschung, Dresden (Germany)},
subtyp = {Invited},
cin = {ICS-3},
cid = {I:(DE-Juel1)ICS-3-20110106},
pnm = {451 - Soft Matter Composites (POF2-451) / ESMI - European
Soft Matter Infrastructure (262348) / NANODIRECT - Toolbox
for Directed and Controlled Self-Assembly of nano-Colloids
(213948)},
pid = {G:(DE-HGF)POF2-451 / G:(EU-Grant)262348 /
G:(EU-Grant)213948},
typ = {PUB:(DE-HGF)31},
url = {https://juser.fz-juelich.de/record/188809},
}