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2009 IEEE 22nd International Conference on Micro Electro Mechanical Systems
Combining surface ratchets and electrowetting on dielectric (EWOD) produces novel microfluidic systems that achieve passive droplet transport by vibration along microscopically-rough surfaces and active droplet sorting by electric signals. The super-hydrophobic surface ratchet and EWOD plate sandwich a droplet; when vibrated the device adopts passive droplet transportation via the surface ratchet. The EWOD technology is utilized at particular junctions to produce several droplet specificdoi:10.1109/memsys.2009.4805436 fatcat:nvnw2lzsnncrjknryzaybersdi