July 31-August 4, 2017
Microrheology is one of the most useful techniques to measure rheological properties of soft matter and various biological materials including cells. There are two different methods; passive microrheology and active microrheology.In the passive microrheology, both local and bulk mechanical properties of a medium can be extracted from a Brownian motion of a probe particle . In this method, the generalized Stokes-Einstein relation (GSER) is used to analyze thermal diffusive motions. In the active microrheology, on the other hand, the probe is actively pulled through the fluid, with the aim of driving the medium out-of-equilibrium and measuring mechanical responses . Within the linear response theory, the generalized Stokes relation (GSR) is employed to obtain the frequency-dependent complex shear modulus.
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Shigeyuki Komura, Kento Yasuda, and Ryuichi Okamoto, "Swimmer-Microrheology" in "Association in Solution IV", Ulf Olsson, Lund University, Sweden Norman Wagner, University of Delaware, USA Anand Yethiraj, Memorial University of Newfoundland, Canada Eds, ECI Symposium Series, (2017). http://dc.engconfintl.org/assoc_solution_iv/41