http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
MCF 세포의 효율적인 분리를 위한 DEP 를 기반으로 한 세포 분리기의 설계와 적용
안재민(Jaemin An),박정렬(Jungyul Park),김영호(Youngho Kim),박석호(Sukho Park),김병규(Byungkyu Kim),박종오(Jongoh Park),이상호(Sangho Lee) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.11
This paper presents the development of a novel dielectrophoresis (DEP)-activated cell sorter (DACS) that has 3D-asymmeritc microelectrodes. The DACS conventionally utilizes relative strength between the DEP and drag forces. While the conventional cell separators usually depend on different size of cells, the new system differentiates similarly- sized cells by the difference of the electrical properties among cells. It distinguished different types of cells by their differences in electrical properties, conductivity and permittivity. Thus, continuously varying DEP forces generated by the system enabled us to separate MCF10A cells (normal cells derived from human breast epithelium) and MCF7 cells (human breast cancer cells) that have similar sizes. Applying the newly-developed system to separate two different cells, it was possible to separate cancer cells among normal cells.
DACS (Dielectrophoretically Activated Cell Sorting) using 3D-Asymmetric Microelectrodes
김병규(Byungkyu Kim),박정렬(Jungyul Park),윤석(Seok Yun),이교일(Kyo Il Lee) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.5
In this paper, a novel 3D-asymmeric microelectrode system has been designed and fabricated to enhance the sorting sensitivity about cells for high-throughput. Basic concept of the presented system, which utilizes relative strength between the negative dielectrophoretic force and the drag force, is the same with conventional 3D microelectrode system. However, varied dielectrophoretic force along the transverse direction of microchannel is realized by presented microelectrode system with changing width in half sphere shaped channel. This varied force increases the sorting sensitivity about cells by inducing the different forces to different kinds of cells distinctly. Based on numerical analysis for the 3D-asymmetric microelectrode, significantly improved sensitivity about cells was verified, and the feasibility of this device was shown by experimental study.