Sensor platform using a non-horizontally oriented nanotube element
First Claim
1. A sensor platform, comprising a sensor element comprising at least one nanotube and having an electrical characterization;
- a support structure, comprising a substrate, for supporting the sensor element so that it may be exposed to a fluid, and having a major surface of the substrate substantially non-parallel to the sensor element;
control circuitry to electrically sense the electrical characterization of the sensor element so that the presence of a corresponding analyte may be detected.
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Accused Products
Abstract
Sensor platforms and methods of making them are described. A platform having a non-horizontally oriented sensor element comprising one or more nanostructures such as nanotubes is described. Under certain embodiments, a sensor element has or is made to have an affinity for an analyte. Under certain embodiments, such a sensor element comprises one or more pristine nanotubes. Under certain embodiments, the sensor element comprises derivatized or functionalized nanotubes. Under certain embodiments, a sensor is made by providing a support structure; providing one or more nanotubes on the structure to provide material for a sensor element; and providing circuitry to electrically sense the sensor element'"'"'s electrical characterization. Under certain embodiments, the sensor element comprises pre-derivatized or pre-functionalized nanotubes. Under other embodiments, sensor material is derivatized or functionalized after provision on the structure or after patterning. Under certain embodiments, a large-scale array of sensor platforms includes a plurality of sensor elements.
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Citations
78 Claims
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1. A sensor platform, comprising
a sensor element comprising at least one nanotube and having an electrical characterization; -
a support structure, comprising a substrate, for supporting the sensor element so that it may be exposed to a fluid, and having a major surface of the substrate substantially non-parallel to the sensor element;
control circuitry to electrically sense the electrical characterization of the sensor element so that the presence of a corresponding analyte may be detected. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A large-scale array of sensor platforms wherein the array includes a large plurality of sensor platform cells, each cell comprising
a sensor element comprising at least one nanotube and having an electrical characterization; -
a support structure for supporting the sensor element so that it may be exposed to a fluid, and having a major surface of the substrate substantially non-parallel to the sensor element;
control circuitry to electrically sense the electrical characterization of at least one sensor element so that the presence of a corresponding analyte may be detected. - View Dependent Claims (25)
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26. A sensor platform, comprising
a sensor element comprising at least one nanotube and having an electrical characterization; -
a support structure, comprising a substrate, for supporting the sensor element, and having a major surface of the substrate substantially non-parallel to the sensor element;
a conductive element located apart from the sensor element to form a structure in which the conductive element and the sensor element are in a capacitive relationship;
control circuitry to electrically sense an electrical value reflecting the capacitance associated with the sensor element and the conductive element. - View Dependent Claims (27, 28, 29)
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30. A large-scale array of sensor platforms wherein the array includes a plurality of sensor platform cells, each of which comprises
a sensor element comprising at least one nanotube and having an electrical characterization; -
a support structure, comprising a substrate, for supporting the sensor element, and having a major surface of the substrate substantially non-parallel to the sensor element;
a conductive element located apart from the sensor element to form a structure in which the conductive element and the sensor element are in a capacitive relationship;
control circuitry to electrically sense an electrical value reflecting the capacitance associated with the sensor element and the conductive element. - View Dependent Claims (31)
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32. A sensor platform, comprising
a sensor element comprising at least one nanotube and having an electrical characterization; -
a support structure, comprising a substrate, for supporting the sensor element, and having a major surface of the substrate substantially non-parallel to the sensor element;
first and second conductive elements that contact the sensor element at separate locations;
control circuitry to electrically sense an electrical value reflecting the resistance associated with the passage of current between the first and second conductive elements through at least a portion of the sensor element. - View Dependent Claims (33, 34)
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35. A large-scale array of sensor platforms wherein the array includes a plurality of sensor platform cells, each of which comprises
a sensor element comprising at least one nanotube and having an electrical characterization; -
a support structure, comprising a substrate, for supporting the sensor element, and having a major surface of the substrate substantially non-parallel to the sensor element;
first and second conductive elements that contact the sensor element at separate locations;
control circuitry to electrically sense an electrical value reflecting the resistance associated with the passage of current between the conductive elements through at least a portion of the sensor element. - View Dependent Claims (36)
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37. A method of making a sensor, comprising:
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providing a support structure comprising a substrate;
providing a collection of at least one nanotube in contact with the support structure and oriented substantially non-parallel to a major surface of the substrate, so that at least a portion of the collection can act as a sensor element in contact with the support structure;
providing control circuitry to electrically sense the electrical characterization of the sensor element so that the presence of a corresponding analyte may be detected. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72)
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73. A method of making a capacitive structure, comprising
providing a support structure comprising a substrate; -
providing a collection of at least one nanotube in contact with the support structure, and oriented substantially non-parallel to a major surface of the substrate;
providing a conductive element located apart from the collection so that the conductive element and the collection are in a capacitive relationship;
providing control circuitry to electrically sense an electrical value reflecting a capacitance associated with the collection and the conductive element. - View Dependent Claims (74, 75)
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76. A method of making a resistive structure, comprising
providing a support structure comprising a substrate; -
providing a collection of at least one nanotube in contact with the support structure, and oriented substantially non-parallel to a major surface of the substrate;
providing first and second conductive elements that contact the collection at separate locations;
providing control circuitry to electrically sense an electrical value reflecting the resistance associated with the passage of current between the first and second conductive elements through at least a portion of the collection. - View Dependent Claims (77, 78)
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Specification