Method for controlling liquid movement in a chemical device
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United States of America Patent
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Feb 5, 2002
Grant Date -
N/A
app pub date -
Jun 21, 2000
filing date -
Jun 21, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of controlling liquid movement in a chemical device comprising a porous structure involved applying an electrical potential to generate an electroosmotic force in the porous structure so as to propel a liquid through the porous structure. Also the porous structure is used to resist or prevent flow of a liquid through the porous structure in response to hydrostatic force.
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