Method and apparatus for generating large pressures on a microfluidic chip
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United States of America Patent
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Jul 27, 2010
Grant Date -
Mar 13, 2008
app pub date -
Sep 7, 2007
filing date -
Sep 7, 2006
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Abstract
The present invention relates to a method and apparatus for generating pressure suitable in magnitude for powering micro-sized devices. The present invention typically comprises a gas generation chamber that is equipped with an activation element and filled with a gas-containing liquid. Powering of the activation element causes gas within the liquid to be released. Upon release a series of pressure distribution channels deliver the gas to a wide variety of peripheral microfluidic devices. A series of one-way valves and multi-chambered configurations allow for a wide variety of pressures to be generated from a single pressure generation device. By manipulating the scale of the pressure generation device, lab-on-chip, hand held, and bench top applications are possible and may readily be interfaced to allow a substantial amount of user control of the system.
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