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Advanced Materials· 2012Q1

Magnetic Helical Micromachines: Fabrication, Controlled Swimming, and Cargo Transport

Soichiro Tottori, Li Zhang, Famin Qiu, Krzysztof K. Krawczyk et al.

Short summary

Researchers developed magnetic helical micromachines using direct laser writing and e-beam evaporation that swim in 3D via corkscrew motion and can transport cargo.

AI-generated from the title and abstract; the full text is not read.

Key points

  • Fabrication achieved via direct laser writing and e-beam evaporation.
  • Magnetic helical devices exhibit corkscrew motion with rotating magnetic fields.
  • Micromachines demonstrate 3D swimming and cargo transport capabilities.
  • Cytotoxicity was evaluated using mouse myoblasts.

AI-generated from the title and abstract; the full text is not read.

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.

The authors' abstract, as published at the source. Advanced Materials, 2012 · DOI ↗

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Field: Condensed Matter Physics

Condensed Matter PhysicsPhysics and Astronomy