MATEC Web of Conferences
Volume 32, 2015International Symposium of Optomechatronics Technology (ISOT 2015)
|Number of page(s)||5|
|Section||Optomechatronics for Bio-Medical Applications|
|Published online||02 December 2015|
Self-propelled magnesium based micromotors: synthesis and magnetic steering
1 Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong SAR, China
2 Chow Yuk Ho Technology Centre for Innovative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
3 Shenzhen Research Institute (SZRI), The Chinese University of Hong Kong, Shenzhen, China
a Corresponding Author E-mail: email@example.com
In this work the magnesium based Janus micromotors were prepared by an asymmetric coating of Co-Au bilayer on the surface of Mg microparticles. The micromotor could efficiently self-propel in phosphate buffer saline (PBS) with a highest speed of 221 μm·s−1 without any extra additives through the macrogalvanic corrosion and pitting corrosion mechanism. The influence of pH value of PBS buffer on the motion of micromotor was also investigated. Moreover, we demonstrated that the motion of micromotor could be controlled by an external magnetic field rapidly and accurately, indicating the potential application in biomedicine.
© Owned by the authors, published by EDP Sciences, 2015
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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