Electrodes for microfluidic applications

Details Electrodes for microfluidic applications Electrodes for microfluidic applications

2006-08-22

2006-08-22

Olsen, Kaj K. (Department: 1753)

Chemistry: electrical and wave energy

Apparatus

Electrophoretic or electro-osmotic apparatus

C204S280000, C264S042000

Reexamination Certificate

active

07094326

ABSTRACT:
An electrode device for high pressure applications. These electrodes, designed to withstand pressure of greater than 10,000 psi, are adapted for use in microfluidic devices that employ electrokinetic or electrophoretic flow. The electrode is composed, generally, of an outer electrically insulating tubular body having a porous ceramic frit material disposed in one end of the outer body. The pores of the porous ceramic material are filled with an ion conductive polymer resin. A conductive material situated on the upper surface of the porous ceramic frit material and, thus isolated from direct contact with the electrolyte, forms a gas diffusion electrode. A metal current collector, in contact with the gas diffusion electrode, provides connection to a voltage source.

REFERENCES:
patent: 3843400 (1974-10-01), Radford et al.
patent: 5556580 (1996-09-01), Suddith
patent: 6277257 (2001-08-01), Paul et al.
patent: 6675660 (2004-01-01), Mosier et al.
patent: 6890409 (2005-05-01), Woudenberg et al.

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