Jan 10, 2011
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.
Source: Wiley Online Library
Additional Information:
"Magnetic Helical Micromachines: Fabrication, Controlled Swimming, and Cargo Transport" by Soichiro Tottori, Li Zhang, Famin Qiu, Krzysztof K. Krawczyk, Alfredo Franco-Obregón, and Bradley J. Nelson. Article first published online: 2 JAN 2012
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