CENTRIFUGAL MICROFLUIDIC PLATFORM
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United States of America Patent
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Issued Date -
May 15, 2014
app pub date -
Mar 22, 2012
filing date -
Jul 4, 2011
priority date (Note) -
Abandoned
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Abstract
A centrifugal microfluidic device is provided having a microfluidic circuit, a fluid reservoir for providing fluid in the microfluidic circuit, a hydrodynamic resistance element in fluid communication with the reservoir for controlling rate of flow of a fluid out of the reservoir, and a siphoned chamber in fluid communication with the hydrodynamic resistance element and the microfluidic circuit for receiving fluid from the hydrodynamic resistance element and for delaying and metering of the fluid into the microfluidic circuit. The microfluidic device is useful for performing a biological assay. Operation of the device is completely independent on the liquid-solid contact angle and wetting properties of the liquids on the solid material of the platform, and the device does not need a carefully controlled rotation protocol.
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