A passive pumping method for microfluidic devices
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- 5 August 2002
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Lab on a Chip
- Vol. 2 (3) , 131-134
- https://doi.org/10.1039/b204381e
Abstract
The surface energy present in a small drop of liquid is used to pump the liquid through a microchannel. The flow rate is determined by the volume of the drop present on the pumping port of the microchannel. A flow rate of 1.25 μL s−1 is demonstrated using 0.5 μL drops of water. Two other fluid manipulations are demonstrated using the passive pumping method: pumping liquid to a higher gravitational potential energy and creating a plug within a microchannel.Keywords
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