Microfluidic system including a bubble valve for regulating fluid flow through a microchannel
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United States of America Patent
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Jul 4, 2006
Grant Date -
May 26, 2005
app pub date -
Dec 21, 2004
filing date -
Apr 17, 2002
priority date (Note) -
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Abstract
A microfluidic system includes a bubble valve for regulating fluid flow through a microchannel. The bubble valve includes a fluid meniscus interfacing the microchannel interior and an actuator for deflecting the membrane into the microchannel interior to regulate fluid flow. The actuator generates a gas bubble in a liquid in the microchannel when a sufficient pressure is generated on the membrane.
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