Electrowetting pumping device and use for measuring electrical activity
First Claim
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1. An apparatus comprising:
- a substrate, having a first and a second surface, at least one of which is hydrophobic or covered with a hydrophobic layer, and at least one orifice crossing through said substrates;
means for displacing, by electrowetting, a volume of liquid on one of said faces of the substrate through said orifice; and
first and second electrodes configured to be in direct contact with the volume of liquid as the volume of liquid is displaced through said orifice, to be controlled by a computer, and to supply said computer with data regarding a variation of an electric characteristic of the volume of liquid as the volume of liquid is displaced through said orifice.
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Abstract
The invention relates to a method for pumping through an orifice (30, 31) of a first substrate (1), a first volume of liquid (2) in contact with a first hydrophobic surface of said substrate, wherein a pressure variation between the first volume of liquid and a second volume of liquid (2′), located in contact with said orifice and a second hydrophobic surface of said substrate, is achieved by electrowetting.
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17 Claims
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1. An apparatus comprising:
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a substrate, having a first and a second surface, at least one of which is hydrophobic or covered with a hydrophobic layer, and at least one orifice crossing through said substrates; means for displacing, by electrowetting, a volume of liquid on one of said faces of the substrate through said orifice; and first and second electrodes configured to be in direct contact with the volume of liquid as the volume of liquid is displaced through said orifice, to be controlled by a computer, and to supply said computer with data regarding a variation of an electric characteristic of the volume of liquid as the volume of liquid is displaced through said orifice. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification