Dielectrokinetic chromatography and devices thereof

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United States of America Patent

PATENT NO 8702946
SERIAL NO

12128913

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Abstract

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Disclosed herein are methods and devices for dielectrokinetic chromatography. As disclosed, the devices comprise microchannels having at least one perturber which produces a non-uniformity in a field spanning the width of the microchannel. The interaction of the field non-uniformity with a perturber produces a secondary flow which competes with a primary flow. By decreasing the size of the perturber the secondary flow becomes significant for particles/analytes in the nanometer-size range. Depending on the nature of a particle/analyte present in the fluid and its interaction with the primary flow and the secondary flow, the analyte may be retained or redirected. The composition of the primary flow can be varied to affect the magnitude of primary and/or secondary flows on the particles/analytes and thereby separate and concentrate it from other particles/analytes.

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Patent Owner(s)

Patent OwnerAddress
NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA LLCP O BOX 5800 MS-0161 ALBUQUERQUE NM 87185

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chirica, Gabriela S Livermore, US 5 78
Fiechtner, Gregory J Germantown, US 11 144
Singh, Anup K Danville, US 51 761

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