Interaction potential and near wall dynamics of spherical colloids in suspensions of rod-like fd-virus
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- Holmqvist, P., Kleshchanok, D. & Lang, P.R. Eur. Phys. J. E (2008) 26: 177. doi:10.1140/epje/i2007-10288-x
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Averaged diffusivities of spherical colloids in solutions of rod-like particles, i.e. fd-virus, were measured with EWDLS and TIRM. While the experimentally observed near wall dynamics of the spheres in the absence of fd are well described by standard hydrodynamic theories, there are significant deviations at finite fd concentrations. Both experimental methods yield data which are significantly smaller than the theoretical predictions.