Microfluidic Assembly of Magnetic Hydrogel Particles with Uniformly Anisotropic Structure

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Original entry: Darren Yang, AP225, Fall 2010

Reference

C.H. Chen, A.R. Abate, D. Lee, E.M. Terentjev, D.A. Weitz, “Editing Microfluidic Assembly of Magnetic Hydrogel Particles with Uniformly Anisotropic Structure,” Advanced Materials, 21, 3201–3204 (2009).

Keywords

Drop and bubble formation; Magnetic fluids and ferrofluids; Microemulsions; Micro-and nano-scale flow phenomena

Summary

The authors present a method to produce monodisperse magnetic particles from double emulsions formed using sequential flow-focus drop formation. This microfluidic drop formation allows the particles to be formed with high monodispersity and with consistently anisotropic internal structure. This structural anisotropy gives rise to magnetic anisotropy, allowing the particles to be rotated by a magnetic field.

Background

Results

Soft Matter Connection

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