Abstract
A simple and general fabrication method for helical swimming micromachines by direct laser writing and e-beam evaporation is demonstrated. The magnetic helical devices exhibit varying magnetic shape anisotropy, yet always generate corkscrew motion using a rotating magnetic field. They also exhibit good swimming performance and are capable of pick-and-place micromanipulation in 3D. Cytotoxicity of the devices was investigated using mouse myoblasts. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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Tottori, S., Zhang, L., Qiu, F., Krawczyk, K. K., Franco-Obregõn, A., & Nelson, B. J. (2012). Magnetic helical micromachines: Fabrication, controlled swimming, and cargo transport. Advanced Materials, 24(6), 811–816. https://doi.org/10.1002/adma.201103818
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