Fluid transport in microfluidic applications with sensors for detecting fluid presence and pressure
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United States of America Patent
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Jul 26, 2016
Grant Date -
Jul 2, 2015
app pub date -
Dec 30, 2013
filing date -
Dec 30, 2013
priority date (Note) -
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Abstract
A method includes flowing a liquid into a channel of a microfluidic cassette filled with a gas. The channel includes an inlet section and an outlet section. The method also includes detecting the liquid, the gas, or a combination thereof at a measuring location within the inlet section. The measuring location has a first sensor that may detect a signal indicative of a presence of the liquid, the gas, or a combination thereof. The method also includes compressing the gas, determining a pressure change of the gas within the channel, and determining a volume of the liquid within the channel based on the pressure change of the gas.
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