Issue Date: April 28, 2008
Digital microfluidics, in which individual droplets are manipulated on an array of electrodes, is currently limited to a single horizontal plane. That circumstance restricts the number of samples that such microfluidic devices can handle and makes it difficult to integrate multiple physical and chemical environments on the same device. Aaron Wheeler and coworkers at the University of Toronto now describe a novel method for droplet manipulation—all-terrain droplet actuation (ATDA)—that works on a variety . . .
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