1) Patrick Griss et al., “Beads in Biochemical Microfluidics”, μTAS 2002, Vol. 2, pp. 605-607
2) A. Ichikawa et al., “Pinpoint injection of micro tools using dielectrophoresis and hydrophobic surface for minimally invasive separation of microbe”, MEMS 2002, pp. 48-51
3) J-W Choi et al., “A new magnetic bead-based, filterless bio-separator with planar electromagnet surfaces for integrated bio-detection systems”, Sensors and Actuators B, 68, pp. 34-39 (2000)