Method and apparatus for acoustically controlling liquid solutions in microfluidic devices
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United States of America Patent
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Sep 27, 2005
Grant Date -
Jan 24, 2002
app pub date -
Mar 20, 2001
filing date -
Oct 28, 1998
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Abstract
Acoustic energy is used to control motion in a fluid. According to one embodiment, the invention directs acoustic energy at selected naturally occurring nucleation features to control motion in the fluid. In another embodiment, the invention provides focussed or unfocussed acoustic energy to selectively placed nucleation features to control fluid motion. According to one embodiment, the invention includes an acoustic source, a controller for controlling operation of the acoustic source, and one or more nucleation features located proximate to or in the fluid to be controlled.
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