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Dielectrophoresis device and method having non-uniform arrays for manipulating particles

United States Patent

September 2, 2008
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
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.
Cummings; Eric B. (Livermore, CA), Fintschenko; Yolanda (Livermore, CA), Simmons; Blake (San Francisco, CA)
10/ 760,139
January 16, 2004
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.