Nano-electronic sensors for chemical and biological analytes, including capacitance and bio-membrane devices
First Claim
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1. A sensor, comprising:
- a substrate;
a conductive base disposed adjacent the substrate;
a dielectric material covering at least a region of the conductive base;
one or more nanostructures disposed upon the dielectric material such that at least one or more of the nanostructures are in contact with the dielectric material throughout at least most of the one or more nanostructures'"'"' length and capacitively coupled to the conductive base; and
a top lead electrically communicating to the one or more nanostructures, wherein said top lead extends substantially across the one or more nanostructures.
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Abstract
Embodiments of nanoelectronic sensors are described, including sensors for detecting analytes inorganic gases, organic vapors, biomolecules, viruses and the like. A number of embodiments of capacitive sensors having alternative architectures are described. Particular examples include integrated cell membranes and membrane-like structures in nanoelectronic sensors.
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Citations
14 Claims
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1. A sensor, comprising:
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a substrate; a conductive base disposed adjacent the substrate; a dielectric material covering at least a region of the conductive base; one or more nanostructures disposed upon the dielectric material such that at least one or more of the nanostructures are in contact with the dielectric material throughout at least most of the one or more nanostructures'"'"' length and capacitively coupled to the conductive base; and a top lead electrically communicating to the one or more nanostructures, wherein said top lead extends substantially across the one or more nanostructures. - View Dependent Claims (2, 3)
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4. A sensor, comprising:
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a substrate; a spaced-apart pair including a first and second conductive lead disposed adjacent the substrate; a dielectric material covering at least a region of at least one conductive lead; and a plurality of interconnected nanostructures disposed adjacent the dielectric material capacitively coupled to at least one conductive lead. - View Dependent Claims (5, 6, 7, 8, 9, 14)
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10. A sensor comprising:
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a substrate having an active region; first and second conductive leads disposed adjacent the substrate and spaced apart from the active region; a dielectric material disposed adjacent at least the active region; and first and second nanostructure layers in electrical communication with the first and second conductive leads respectively, the nanostructure layers each including one or more nanostructures, the nanostructure layers arranged adjacent the active region and configured so as to be capacitively coupled and separated with respect to each other by the dielectric material, wherein the lengthwise dimensions of the one or more of the nanostructures are aligned generally parallel with the substrate. - View Dependent Claims (11, 12, 13)
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Specification