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The Korean Society for Biotechnology and Bioengineering (한국생물공학회)
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Enhancement of DNA Microarray Hybridization using Microfluidic Biochip

미세유체 바이오칩을 이용한 DNA 마이크로어레이 Hybridization 향상

  • Lee, H.H. (Department of Chemical Engineering, Myongji University) ;
  • Kim, Y.S. (Department of Nano Science and Engineering, Myongji University)
  • 이현호 (명지대학교 공과대학 화학공학과) ;
  • 김용상 (명지대학교 공과대학 나노공학과)
  • Published : 2007.12.31
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Abstract

Recently, microfluidic biochips for DNA microarray are providing a number of advantages such as, reduction in reagent volume, high-throughput parallel sample screening, automation of processing, and reduction in hybridization time. Particularly, the enhancement of target probe hybridization by decrease of hybridization time is an important aspect highlighting the advantage of microfluidic DNA microarray platform. Fundamental issues to overcome extremely slow diffusion-limited hybridization are based on physical, electrical or fluidic dynamical mixing technology. So far, there have been some reports on the enhancement of the hybridization with the microfluidic platforms. In this review, their principle, performance, and outreaching of the technology are overviewed and discussed for the implementation into many bio-applications.

DNA 마이크로어레이는 바이오칩의 발전에서 가장 주목받으며 발전하고 있는 분야로서 이에 대한 연구가 점차 확장하고 있다. DNA나 RNA 등 유전자의 매우 느린 확산속도를 극복하기 위하여 마이크로플루딕 바이오칩이 DNA 마이크로어레이에 적용되는 최근의 학술적인 사례들을 연구, 비교하였다. DNA 마이크로어레이에 적용된 미세유체 바이오칩은 상당수가 효율적인 hybridization을 달성하기 위한 믹싱 시스템이 많이 보고되었으며, 이 총설에서는 그에 대한 분석을 수행하여 유전자 hybridization 강화를 이룬 시스템에 대한 최근 동향을 가늠할 수 있게 하였다. 특별히 PDMS를 이용한 마이크로 펌프의 적용 등, 앞으로의 미세유체 DNA 마이크로어레이 발전가능성과 모델링의 한계점 등을 정리 분석해 보았다.

Keywords

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