Microfluidic devices and methods with integrated electrical contact
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United States of America Patent
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Issued Date -
Feb 2, 2006
app pub date -
Jul 29, 2004
filing date -
Jul 29, 2004
priority date (Note) -
Abandoned
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Abstract
Microfluidic devices provide substances to a mass spectrometer. The microfluidic devices include a substrate having at least one microchannel, a cover arranged on a surface of the microchannel, and at least one electrical potential source. Some embodiments include a microchannel widened at an outlet. Other embodiments position the electrical potential source along a surface of the cover. Still other embodiments include a well in which an electrode and a membrane are disposed. The various embodiments provide stable electrospray ionization of substances from a microfluidic device to a mass spectrometer.
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