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Micromachines 2014, 5(1), 97-113; doi:10.3390/mi5010097

Mini and Micro Propulsion for Medical Swimmers

1
Mechanical Engineering and Materials Science, Swanson School of Engineering, University of Pittsburgh, 616 Benedum Hall, 3700 O'Hara St., Pittsburgh, PA 15261, USA
2
Mechanical Engineering and Materials Science, Swanson School of Engineering, University of Pittsburgh, 538G Benedum Hall, 3700 O'Hara St., Pittsburgh, PA 15261, USA
*
Author to whom correspondence should be addressed.
Received: 8 December 2013 / Revised: 14 February 2014 / Accepted: 14 February 2014 / Published: 26 February 2014
(This article belongs to the collection Lab-on-a-Chip)
View Full-Text   |   Download PDF [626 KB, 19 March 2014; original version 26 February 2014]   |  

Abstract

Mini and micro robots, which can swim in an underwater environment, have drawn widespread research interests because of their potential applicability to the medical or biological fields, including delivery and transportation of bio-materials and drugs, bio-sensing, and bio-surgery. This paper reviews the recent ideas and developments of these types of self-propelling devices, ranging from the millimeter scale down to the micro and even the nano scale. Specifically, this review article makes an emphasis on various propulsion principles, including methods of utilizing smart actuators, external magnetic/electric/acoustic fields, bacteria, chemical reactions, etc. In addition, we compare the propelling speed range, directional control schemes, and advantages of the above principles.
Keywords: micro medical robot; microelectromechanical systems (MEMS); lab on a chip micro medical robot; microelectromechanical systems (MEMS); lab on a chip
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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JianFeng; Cho, S.K. Mini and Micro Propulsion for Medical Swimmers. Micromachines 2014, 5, 97-113.

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