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KMID : 1134220160360040235
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Hanyang Medical Reviews
2016 Volume.36 No. 4 p.235 ~ p.241
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Review on Fabrication and Manipulation of Scaffold and Ciliary Microrobots
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Kim Sang-Won
Lee Seung-Min
Choi Hong-Soo
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Abstract
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Various microrobots are being studied for potential biomedical applications including targeted cell transportation, precise drug delivery, opening blocked blood vessels, micro-surgery, sensing, and scaffolding. Precise magnetic field control system is a coil system for wireless control of those microrobots for personalized and minimally invasive treatments. The microrobots for possible biomedical applications are fabricated by micro-electro-mechanical systems (MEMS) and nano-electro-mechanical systems (NEMS) technologies. In this review, fabrication technologies for scaffold and ciliary microrobots will be introduced and their control methods will be discussed. Various materials are being used for the fabrication of the microrobot such as SU-8, IP-Dip, IP-L, silicon, etc. The scaffold and ciliary microrobots are fabricated by SU-8, IP-Dip, and IP-L because these materials showed the maximum performance for three-dimensional (3D) microrobots using a 3D laser lithography system. All or part of the structures are coated with nickel and titanium layers after fabrication of the structures for magnetic control and biocompatibility, respectively, of the microrobots.
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KEYWORD
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Microrobot, Scaffold, Ciliary, Magnetic Field, Laser Lithography
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