Sieve Eop Pump
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United States of America Patent
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Issued Date -
Mar 27, 2008
app pub date -
Feb 23, 2004
filing date -
Feb 21, 2003
priority date (Note) -
Abandoned
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Abstract
An electroosmotic flow pump for generating a flow in an electrolyte from an inlet to an outlet in a channel, the electroosmotic flow pump comprising a housing with the channel for holding the ionic solution, a membrane separating the channel in a first part in contact with the inlet and a second part in contact with the outlet, the membrane comprising a plurality of perforations having inner surface parts with a finite zeta potential in an 130-160 mM aqueous electrolyte with pH value in the interval 7-7.5, one or more first electrodes in electrical contact with electrolyte held in the first part of the channel and one or more second electrodes in electrical contact with electrolyte held in the second part of the channel, means for creating an electric potential difference between the first and second electrodes.
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