DEVICE AND METHOD FOR GENERATING AND/OR ARRANGING SEQUENCES OF ONE OR MORE FLUID SAMPLES IN A CARRIER FLUID
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United States of America Patent
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Issued Date -
Apr 5, 2012
app pub date -
Feb 24, 2010
filing date -
Jun 11, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a device for generating and/or arranging sequences of a fluid sample in a carrier fluid. The invention comprises a microchannel having an inlet, an outlet and a nozzle opening therebetween leading into the microchannel. The invention further relates to a delivery unit, which pumps in the carrier fluid using a feed volume flow and suctions off the carrier fluid using a discharge volume flow. In a sample container, the nozzle opening is in contact with the fluid sample. By means of a control unit, the ratio between feed volume flow and discharge volume flow is varied. The cross-section of the nozzle opening is selected such that no carrier medium exits from the nozzle opening when the feed volume flow equals the discharge volume flow and that a fluid sample enters the nozzle opening when the discharge volume flow is greater than the feed volume flow. The invention further relates to a method for generating and/or arranging sequences of a fluid sample in a carrier fluid.
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