Abstract
The transport of matter via a ratchet effect represents a convenient way to extract useful work from a thermodynamic system, and can have direct applications in several microscale fluid-based technologies. Most realizations so far have been centered on using Newtonian fluids. This study shows how to achieve directed transport of magnetic microparticles in a non-Newtonian shear-thinning fluid under a square-wave magnetic force. This technique could be used in active microrheology, to infer the nonlinear properties of viscoelastic media.
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