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Dielectrophoresis device and method having insulating ridges for manipulating particles

United States Patent

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7,347,923
March 25, 2008
View the Complete Patent at the US Patent & Trademark Office
Insulating Dielectrophoresis (iDEP)
Embodiments of the present invention provide methods and devices for manipulating particles using dielectrophoresis. Insulating ridges and valleys are used to generate a spatially non-uniform electrical field. Particles may be concentrated, separated, or captured during bulk fluid flow in a channel having insulating ridges and valleys.
Cummings; Eric B. (Livermore, CA), Fiechtner; Gregory J. (Livermore, CA)
Sandia Corporation (Livermore, CA)
10/678,603
October 3, 2003
204/547 ; 204/458; 204/643;
G01N 27/447 (20060101); G01N 27/453 (20060101);
204/547,549,643,645,458,609
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.