Microfluidic device
First Claim
Patent Images
1. A microfluidic device comprising:
- a micro-channel defining a plane;
a plurality of drive electrodes located on a first side of the plane, the drive electrodes being arranged in side-by-side rows;
at least one ground electrode operable to establish an electric potential with the plurality of drive electrodes; and
an array of electrochemical biosensors located on a second, opposite side of the plane, the electrochemical biosensors being arranged in side-by-side rows.
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Abstract
A microfluidic device includes a micro-channel that defines a plane. A plurality of drive electrodes is located on a first side of the plane. At least one ground electrode is operable to establish an electric potential with the plurality of drive electrodes. An array of electrochemical biosensors is located on a second, opposite side of the plane.
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Citations
25 Claims
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1. A microfluidic device comprising:
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a micro-channel defining a plane; a plurality of drive electrodes located on a first side of the plane, the drive electrodes being arranged in side-by-side rows; at least one ground electrode operable to establish an electric potential with the plurality of drive electrodes; and an array of electrochemical biosensors located on a second, opposite side of the plane, the electrochemical biosensors being arranged in side-by-side rows. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A microfluidic device comprising:
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a micro-channel defining a plane; a plurality of drive electrodes located on a first side of the plane; at least one ground electrode operable to establish an electric potential with the plurality of drive electrodes; and an array of electrochemical biosensors located on a second, opposite side of the plane, wherein the micro-channel extends between a first hydrophobic surface on the first side and a second hydrophobic surface on the second side, and wherein the second hydrophobic surface includes a plurality of openings each corresponding in location to a respective one of the electrochemical biosensors such that each of the openings establishes fluid communication between its respective electrochemical biosensor and the micro-channel. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A microfluidic device comprising:
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a first plate; and a second plate spaced apart from the first plate such that there is a micro-channel between the first plate and the second plate, the first plate including a plurality of drive electrodes, the second plate including an array of electrochemical biosensors, and one of the first plate or the second plate includes at least one ground electrode operable to establish an electric potential with the plurality of drive electrodes, including a first spacing distance D1 between immediately neighboring ones of the electrochemical biosensors and a second spacing distance D2 between immediately neighboring ones of the plurality of drive electrodes such that a scalable ratio of D1;
D2 is from 4;
1 to 33;
1. - View Dependent Claims (22, 23, 24)
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25. A microfluidic device comprising:
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a first plate; and a second plate spaced apart from the first plate such that there is a micro-channel between the first plate and the second plate, the first plate including a plurality of drive electrodes, the second plate including an array of electrochemical biosensors, and one of the first plate and the second plate includes at least one ground electrode operable to establish an electric potential with the plurality of drive electrodes, wherein the at least one ground electrode includes a grid of wires defining spaces between the wires, and wherein each of the electrochemical biosensors is located between the wires in one of the spaces.
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Specification