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@INPROCEEDINGS{Lang:834848,
      author       = {Lang, Christian and Lettinga, M.P. and Kohlbrecher, Joachim
                      and Porcar, Lionel},
      title        = {{M}orphological {I}nfluences on the {S}hear {F}low
                      {B}ehavior of {C}olloidal {R}ods},
      school       = {KU Leuven},
      reportid     = {FZJ-2017-04736},
      year         = {2017},
      abstract     = {High-aspect-ratio colloidal particles are becoming
                      increasingly more important components in a wide range of
                      technologies and products. In biology, they constitute the
                      frame of the cytoskeleton in form of F-actin and micro
                      tubular networks and amyloids are responsible for a large
                      number of diseases such as Alzheimer disease.The mechanical
                      properties of complex fluids containing such rod-like
                      colloids are hugely affected by flow via the particle
                      orientation. The morphology of rods, thereby, plays a key
                      role in the microscopic behavior which leads to the
                      macroscopic rheological response.We present a combination of
                      Rheology and Small Angle Neutron Scattering (Rheo-SANS) to
                      resolve the orientational ordering of rodlike viruses under
                      steady shear flow in the 2 relevant planes, the
                      flow-gradient and the flow-vorticity plane. The full
                      orientational order tensor can be resolved in this way, as
                      has been shown earlier [1]. By bio-engineering viruses with
                      different morphologies, we are able to study the influence
                      of geometry and stiffness on the shear thinning behavior of
                      dilute to semi-dilute rodlike colloidal suspensions without
                      polydispersity issues.From Fig.1, it is seen that that
                      length and stiffness have an enormous effect on the
                      orientational ordering. The viscosity of the fd-Y21M virus
                      (Lc=910 nm, Lp=9.9 μm) decreases less with shear rate than
                      that of pf1 (Lc=1.96 μm, Lp=2.2 μm) because the order
                      increase is considerably less.[1] C. Lang, J. Kohlbrecher,
                      L. Porcar, M. P. Lettinga; Polymers 8 (2016); 291},
      month         = {Mar},
      date          = {2017-03-13},
      organization  = {DRG-/ProcessNet-Tagung, Berlin
                       (Germany), 13 Mar 2017 - 14 Mar 2017},
      subtyp        = {After Call},
      cin          = {ICS-3},
      cid          = {I:(DE-Juel1)ICS-3-20110106},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551) /
                      DiStruc - Directed Colloidal Structure at the Meso-Scale
                      (641839)},
      pid          = {G:(DE-HGF)POF3-551 / G:(EU-Grant)641839},
      experiment   = {EXP:(DE-MLZ)SANS-1-20140101},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/834848},
}