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Fluid droplet manipulation

Liquid droplets are moved on electrode arrays using electrowetting.  The basic construction is shown in figure 1 and the droplets are moved by applying a voltage to the appropriate electrodes. Figures 2, 3, 4 and 5 show videos of the movement, joining, splitting and dispensing of droplets.


Figure 1.  Construction of  electrowetting cell



Figure 2.  Droplet movement


Figure 3.  Droplet joining

Figure 4.  Droplet splitting



Figure 5.  Droplet dispense


Originally designed by The Learning Technology Section    © 2002 Copyright The University of Edinburgh. All rights reserved.

Last modified Wednesday, 30-Mar-2005 12:57:28 BST