- 건국대학교

	Professor Sung-jin Kim Develops Fluid Machine that works alone with Water
	관리자		485		2019.05.20

Nanobio research using microfluidic control can be applicable to flexible robot technology
<img style="margin-left: auto; display: block; margin-right: auto;" alt="" src="ArticleFile.do?id=11761986" width="462" height="251" /> Researcher Jung-rim Lee and Professor Sung-jin Kim (Konkuk University College of Mechanical Engineering) 
 
Professor Sung-jin Kim of the Mechanical Engineering Department of Konkuk University developed a fluid machine that controls the flow of multiple solutions with only the hydrostatic pressure of water.
Vertical connection of the water tank to the developed machine allows sequential / periodic operation. It can be used for cell research, nanomaterial fabrication, and flexible robot driving.
The research, led by Jung-rim Lee and Professor Sung-jin Kim of Konkuk University, was published on April 19 in Science Advances (Autonomous microfluidic actuators for periodic sequential flow generation).
Unlike existing machines, which require complicated device settings, the developed fluid machine performs a predetermined function by connecting only a water tank. This allows the user to operate the machine without knowledge of the machine. This is similar to an electronic circuit that performs a defined function when only a power source is connected. <img style="margin-left: auto; display: block; margin-right: auto;" alt="" src="ArticleFile.do?id=11761987" width="541" height="498" />
(Figure1) A fluid machine that works with water only plays an electronic piano keyboard(top) and periodically stains a part of the cell nucleus(bottom)
  In fact, the fluid machine is implemented in accordance with the working principle of the electronic circuit. The developed machine can flow several solutions sequentially / periodically, and it is possible to make roughly 4n flow patterns with N solutions. By using this fluid machine, only a part of the cell nucleus could be selectively stained and an electronic piano could be played. Professor Kim said, "We developed this technology based on the principle of analog electronic circuitry. This technology is widely applied to various fields requiring microfluidic control, because it can precisely control the fluid without using complex devices." The study was conducted with the support of the Ministry of Science and ICT's Mid-researcher support project and Nano-Biological Fluid Inspection Team.


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