Ferrofluids and magnetically guided superparamagnetic particles in flows: a review of simulations and modeling |
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Authors: | Shahriar Afkhami Yuriko Renardy |
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Affiliation: | 1.Department of Mathematical Sciences,New Jersey Institute of Technology,Newark,USA;2.Department of Mathematics,Virginia Polytechnic Institute and State University,Blacksburg,USA |
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Abstract: | Ferrofluids are typically suspensions of magnetite nanoparticles, and behave as a homogeneous continuum. The ability of the ferrofluid to respond to an external magnetic field in a controllable manner has made it emerge as a smart material in a variety of applications, such as seals, lubricants, electronics cooling, shock absorbers and adaptive optics. Magnetic nanoparticle suspensions have also gained attraction recently in a range of biomedical applications, such as cell separation, hyperthermia, MRI, drug targeting and cancer diagnosis. In this review, we provide an introduction to mathematical modeling of three problems: motion of superparamagnetic nanoparticles in magnetic drug targeting, the motion of a ferrofluid drop consisting of chemically bound nanoparticles without a carrier fluid, and the breakage of a thin film of a ferrofluid. |
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