Microfluidic structure and method of measurement and/or positioning of a volume of a liquid
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United States of America Patent
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May 21, 2013
Grant Date -
Apr 7, 2011
app pub date -
Oct 6, 2010
filing date -
Oct 6, 2009
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Abstract
A measurement channel for use in a microfluidic system, particularly a lab-on-chip system, having a first end at which a first gas permeable but liquid impermeable wall section is disposed which makes available a gas conduit, and a second end at which the measurement channel is connectable to at least one fluid conduit and at which an isolation or cutoff device is disposed, wherewith in the measurement channel a defined volume is included between the wall section and the isolation or cutoff device. A microfluidic structure is disclosed having a plurality of fluid conduits, and further having a valve for selectively connecting and/or blocking the fluid conduits, at least one of which fluid conduits is in the form of a measurement channel. A method of measuring and/or positioning a volume of a liquid in a microfluidic system, by a measurement channel is disclosed.
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