Yoon-Kyoung
Yoon-Kyoung Cho, Ulju-Gun KR
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20140273223 | MICRO-DEVICE FOR CULTURING CELLS, METHOD FOR MANUFACTURING SAME, AND METHOD FOR CULTURING CELLS USING THE MICRO-DEVICE FOR CULTURING CELLS - Disclosed is micro-device for culturing cells comprising: a plurality of fluid paths through which fluid moves; and at least one inlet port for injecting fluid to the fluid paths, said fluid paths communicating with each other and being different in height from each other. In the cell culture device having a plurality of fluid paths, cells can be cultured by introducing a polymeric material to at least one fluid path having a relatively low height; solidifying the polymeric material to form a 3-dimensional scaffold; and injecting fluid for cell culture to a fluid path in contact with the 3-dimensional scaffold. | 09-18-2014 |
Yoon-Kyoung Cho, Uljugun, Ulsan KR
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20160084769 | Fluorescent Caffeine Sensor And Portable Kit And Microfluidics Device For Caffeine Detection - The present invention relates to Caffeine Orange, a novel aqueous-phase fluorescence turn-on sensor for caffeine that is structurally based on a BODIPY-scaffold. The present invention further provides for methods of detecting and measuring caffeine in aqueous media. A change in the intensity or visible color of the fluorescence is detectable by either a fluorimeter or by the naked eye. The methods disclosed herein provide for the utilization of a reverse-phase SPE column, optionally as a component in a syringe or a microfluidics-based automation detection system. The invention further provides for the solid phase extraction of an analyte such as caffeine from a liquid medium, the extraction occurring on a microfluidic disc. | 03-24-2016 |
Yoon-Kyoung Kim, Daejeon KR
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20110068299 | METHOD OF FABRICATING NANO COMPOSITE POWDER CONSISTING OF CARBON NANOTUBE AND METAL - The present invention features in preferred aspects a method of fabricating nano composite powder consisting of carbon nanotubes and metal matrix powder is disclosed. The method includes a low-speed milling process of milling and mixing the carbon nanotubes and the metal matrix powder, and a high-speed milling process of milling the carbon nanotubes and the metal matrix powder which are homogenously mixed in the low-speed milling process to homogenously disperse the carbon nanotubes in the metal matrix powder. In certain preferred aspects, the method can prevent damage of the carbon nanotube and can homogenously disperse the carbon nanotubes in the metal matrix. | 03-24-2011 |