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@ARTICLE{Desio:280333,
author = {Desio, Silvia and Lang, Peter R.},
title = {{D}epletion {I}nteraction {M}ediated by fd-{V}irus: on the
{L}imit of {L}ow {D}ensity and {D}erjaguin {A}pproximation},
journal = {Zeitschrift für physikalische Chemie},
volume = {229},
number = {7-8},
issn = {2196-7156},
address = {Berlin},
publisher = {De @Gruyter},
reportid = {FZJ-2016-00117},
pages = {1161-1175},
year = {2015},
abstract = {Depletion potentials induced by the rod-like fd-virus
between colloidal probe spheres and a flat glass wall were
measured using total internal reflection microscopy. The
objective of this investigation was to determine the limits
of the approximations used for the theoretical description
of the depletion pair potential. Data were obtained at rod
concentrations as high as 15 times their overlap
concentration and the size ratio between the rod length and
the sphere radius increased up to L/R = 1.76. With this,
the basic assumptions for low density approximation and
Derjaguin approximation were clearly violated. Nevertheless,
we observed good agreement between experimental data and
predictions up to the highest size ratio and in rod
concentrations of seven times their overlap concentration.
Only at higher concentrations and at the lowest size ratio
investigated the experimental data deviate significantly
from the simple model.},
cin = {ICS-3},
ddc = {540},
cid = {I:(DE-Juel1)ICS-3-20110106},
pnm = {551 - Functional Macromolecules and Complexes (POF3-551) /
ESMI - European Soft Matter Infrastructure (262348)},
pid = {G:(DE-HGF)POF3-551 / G:(EU-Grant)262348},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000359160600008},
doi = {10.1515/zpch-2014-0553},
url = {https://juser.fz-juelich.de/record/280333},
}