DOI QR코드

DOI QR Code

미세유동시스템 내에서의 입자의 위치제어 연구

Control of the Motions of Particles in Microfluidic System

  • 허윤석 (계명대학교 의과대학 의용공학과)
  • Heo, Yun Seok (Department of Biomedical Engineering, Keimyung Univ.)
  • 투고 : 2014.03.25
  • 심사 : 2014.05.05
  • 발행 : 2014.06.01

초록

Circulating tumor cells (CTCs) in the bloodstream of cancer patients provide an accessible source for detection, characterization, and monitoring of nonhematological cancers. The effectiveness of the CTC-Chip for the isolation of ovarian cancer cells was demonstrated by adapting the herringbone-chip (HB-Chip). The motions of the particles on the HB chip were simulated by a unique combination of buoyant, gravitational forces, and helical flows with a computational modeling. The motions of cells are demonstrated by applying polystylene bead and ovarian cancer cells into the microfabricated HB-Chip. The experimental results from beads and cells are well accordance with the simulated ones, as previously reported by Toner group. Thus, I expect that these modeling and experimental skills will play key roles in the clinical applications on CTC isolation as well as the basic research on characterization of CTCs under flow.

키워드

참고문헌

  1. Steeg, P. S., "Tumor Metastasis: Mechanistic Insights and Clinical Challenges," Nature Medicine, Vol. 12, No. 8, pp. 895-904, 2006. https://doi.org/10.1038/nm1469
  2. Jiang, W., Huang, R., Duan, C., Fu, L., Xi, Y., and et al., "Identification of Five Serum Protein Markers for Detection of Ovarian Cancer by Antibody Arrays," PLoS One, Vol. 8, No. 10, Paper No. e76795, 2013.
  3. Nagrath, S., Sequist, L. V., Maheswaran, S., Bell, D. W., Irimia, D., and et al., "Isolation of Rare Circulating Tumour Cells in Cancer Patients by Microchip Technology," Nature, Vol. 450, No. 7173, pp. 1235-1239, 2007. https://doi.org/10.1038/nature06385
  4. Hsu, C. H., Di Carlo, D., Chen, C., and Irimia, D., "Microvortex for Focusing, Guiding and Sorting of Particles," Lap on a Chip, Vol. 8, No. 12, pp. 2128-2134, 2008. https://doi.org/10.1039/b813434k
  5. Stott, S. L., Hsu, C. H., Tsukrov, D. I., Yu, M., Miyamoto, D. T., and et al., "Isolation of Circulating Tumor Cells using a Microvortex-generating Herringbone-chip," PNAS, Vol. 107, No. 43, pp. 18392-18397, 2010. https://doi.org/10.1073/pnas.1012539107
  6. Stroock, A. D., Dertinger, S. K., Ajdari, A., Mezic, I., Stone, H. A., and et al., "Chaotic Mixer for Microchannels," Science, Vol. 295, No. 5555, pp. 647-651, 2002. https://doi.org/10.1126/science.1066238
  7. Yu, M., Stott, S., Toner, M., Maheswaran, S., and Haber, D. A., "Circulating Tumor Cells: Approaches to Isolation and Characterization," The Journal of Cell Biology, Vol. 192, No. 3, pp. 373-382, 2011. https://doi.org/10.1083/jcb.201010021