Systems and methods for integrated electrochemical and electrical detection
First Claim
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1. An electrochemical-electrical (EC-E) sensor comprising:
- a first electrode fabricated on a substrate;
a second electrode fabricated on the substrate and spaced apart from the first electrode;
a bridging material coupling the first electrode to the second electrode;
an electrolyte;
a counter electrode; and
a reference electrode; and
wherein at least one of the electrodes is connected to an electronic circuit for electrochemical-electrical control and/or measurement during use, and where a surface area ratio between the second electrode and the first electrode allows an electrochemical process taking place on the second electrode and electrical properties between the first and second electrodes to be controlled and/or measured simultaneously.
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Abstract
An integrated sensing device is capable of detecting analytes using electrochemical (EC) and electrical (E) signals. The device introduces synergetic new capabilities and enhances the sensitivity and selectivity for real-time detection of an analyte in complex matrices, including the presence of high concentration of interferences in liquids and in gas phases.
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Citations
18 Claims
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1. An electrochemical-electrical (EC-E) sensor comprising:
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a first electrode fabricated on a substrate;
a second electrode fabricated on the substrate and spaced apart from the first electrode;a bridging material coupling the first electrode to the second electrode;
an electrolyte;a counter electrode; and
a reference electrode; andwherein at least one of the electrodes is connected to an electronic circuit for electrochemical-electrical control and/or measurement during use, and where a surface area ratio between the second electrode and the first electrode allows an electrochemical process taking place on the second electrode and electrical properties between the first and second electrodes to be controlled and/or measured simultaneously. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification