介电泳

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介电泳英语DielectrophoresisDEP)是电介质在非均匀电场中受力的现象[1][2][3][4][5][6]。 这一力的存在不需要物体本身带电。所有粒子在电场环境里都存在介电泳现象,然而力的大小很大程度取决于物质和粒子的电学性质,粒子的形状和大小,以及场强变化率。 因此,特定频率的电场可以有选择性地控制特定粒子。它被应用于细胞的分离以及纳米粒子和纳米线的定向和控制。[2][7][8]

參考文獻[编辑]

  1. ^ Pohl, H. A., 1978. Dielectrophoresis the behavior of neutral matter in nonuniform electric fields. Cambridge University Press. Cambridge.
  2. ^ 2.0 2.1 Morgan, H. and Green, N. AC Electrokinetics: Colloids and Nanoparticles(Research Studies Press, 2002)
  3. ^ Hughes, M.P. Nanoelectromechanics in Engineering and Biology (CRC Press, 2002)
  4. ^ T. B. Jones, Electromechanics of particles (Cambridge University Press, Cambridge, 1995).
  5. ^ Kirby, B.J. Micro- and Nanoscale Fluid Mechanics: Transport in Microfluidic Devices.. Cambridge University Press. 2010. ISBN 978-0-521-11903-0. 
  6. ^ Chang, H.C. and Yao, L. Electrokinetically Driven Microfluidics and Nanofluidics. 2009. 
  7. ^ Hughes, M.P. ' AC Electrokinetics: Applications for Nanotechnology’ Nanotechnology 11 124-132
  8. ^ http://nanotechweb.org/articles/journal/5/10/2/1