Chemistry: electrical and wave energy – Apparatus – Coating – forming or etching by sputtering
Patent
1992-02-07
1993-11-16
Niebling, John
Chemistry: electrical and wave energy
Apparatus
Coating, forming or etching by sputtering
2041801, G01N 2726, G01N 27447
Patent
active
052620310
ABSTRACT:
An electrophoretic apparatus that is useful for separation of analytes, such as proteins, comprises a capillary tube that has an interfacial layer bonded to reduce interactions between the bore and analytes during electroosmotic flow through the capillary, and an electrically modified media carried by or contacting a capillary wall outward from the bore. The modified media can be an electrically resistive coating or an electrically conductive coating. Together with appropriate power supply configurations, the electrically modified media permits the application of a voltage gradient that is transverse to the electrophoretic gradient, and provides electroosmotic flow control in cooperation with the interfacial layer.
REFERENCES:
patent: 5151164 (1992-09-01), Blanchard et al.
Lux Jurgen A.
McManigill Douglass
Swedberg Sally A.
Young James E.
Hewlett--Packard Company
Niebling John
Starsiak Jr. John S.
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