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Title: Flow behavior of colloidal rodlike viruses in the nematic phase
Authors: Lettinga, MP ×
Dogic, Z
Wang, H
Vermant, Jan #
Issue Date: Aug-2005
Publisher: Amer chemical soc
Series Title: Langmuir vol:21 issue:17 pages:8048-8057
Abstract: The behavior of a colloidal suspension of rodlike fd viruses in the nematic phase, subjected to steady state and transient shear flows, is studied. The monodisperse nature of these rods combined with relatively small textural contribution to the overall stress make this a suitable model system to investigate the effects of flow on the nonequilibrium. phase diagram. Transient rheological experiments are used to determine the critical shear rates at which director tumbling, wagging, and flow-aligning occurs. The present model system enables us to study the effect of rod concentration on these transitions. The results are in quantitatively agreement with the Doi-Edwards-Hess model. Moreover, we observe that there is a strong connection between the dynamic transitions and structure formation, which is not incorporated in theory.
ISSN: 0743-7463
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Electrical Engineering - miscellaneous
Molecular and Vascular Biology
Soft Matter, Rheology and Technology Section
× corresponding author
# (joint) last author

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