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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 5 — May. 5, 2009

Remote manipulation of micronanomachines containing magnetic nanoparticles

Juan Wang, Hong Xia, Bin-Bin Xu, Li-Gang Niu, Dong Wu, Qi-Dai Chen, and Hong-Bo Sun  »View Author Affiliations


Optics Letters, Vol. 34, Issue 5, pp. 581-583 (2009)
http://dx.doi.org/10.1364/OL.34.000581


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Abstract

We report remote manipulation of micronanomachines containing magnetic nanoparticles. Surface-modified Fe3O4 nanocrystals were synthesized as doping agents of the photopolymerizable resin, which was pinpoint written by femtosecond laser-induced two-photon photopolymerization to create microsprings. Owing to the nature of superparamagnetism of Fe3O4 nanoparticles, force exerted to the microsprings relies sensitively on the field gradient of the external ferromagnet, and various motions like elongation, bending, and swing are achieved in a well-controllable remote manner. As a noncontact, sensitive, easy, and environmentally friendly approach, the magnetic driving of micronanomachines may play an important role for nano and biological applications.

© 2009 Optical Society of America

OCIS Codes
(160.5470) Materials : Polymers
(220.4000) Optical design and fabrication : Microstructure fabrication

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: January 10, 2009
Revised Manuscript: January 14, 2009
Manuscript Accepted: January 14, 2009
Published: February 23, 2009

Virtual Issues
Vol. 4, Iss. 5 Virtual Journal for Biomedical Optics

Citation
Juan Wang, Hong Xia, Bin-Bin Xu, Li-Gang Niu, Dong Wu, Qi-Dai Chen, and Hong-Bo Sun, "Remote manipulation of micronanomachines containing magnetic nanoparticles," Opt. Lett. 34, 581-583 (2009)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-34-5-581


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