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Dielectrophoresis device and method having nonuniform arrays for manipulating particles

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United States Patent

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8,257,571
September 4, 2012
View the Complete Patent at the US Patent & Trademark Office
Insulating Dielectrophoresis (iDEP)
Microfluidic devices according to embodiments of the present invention include an inlet port, an outlet port, and a channel or chamber having a non-uniform array of insulating features on one or more surfaces. Electrodes are provided for generation of a spatially non-uniform electric field across the array. A voltage source, which may be an A.C. and/or a D.C. voltage source may be coupled to the electrodes for the generation of the electric field.
12/ 072,765
February 27, 2008
204/643 204/547
G01N 27/453 (20060101)
204/450,547,600,643
STATEMENT REGARDING FEDERALLY-FUNDED RESEARCH This invention was made with Government support under government contract no. DE-AC04-94AL85000 awarded by the U.S. Department of Energy to Sandia Corporation. The Government has certain rights in the invention, including a paid-up license and the right, in limited circumstances, to require the owner of any patent issuing in this invention to license others on reasonable terms.