CHEMICAL SENSORS BASED ON CUBIC NANOPARTICLES CAPPED WITH AN ORGANIC COATING
First Claim
1. An apparatus comprising at least one chemically sensitive sensor for detecting volatile and non-volatile compounds, wherein the chemically sensitive sensor comprises cubic nanoparticle conductive cores capped with an organic coating.
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Accused Products
Abstract
The present invention provides a sensor apparatus based on 2D films or 3D assemblies of cubic nanoparticles capped with an organic coating. The apparatus is used to determine the composition and preferably measure the concentration of volatile and non-volatile compounds in a sample, with very high sensitivity. Methods for use of the apparatus in applications such as diagnosis of disease, food quality and environmental control are disclosed.
85 Citations
29 Claims
- 1. An apparatus comprising at least one chemically sensitive sensor for detecting volatile and non-volatile compounds, wherein the chemically sensitive sensor comprises cubic nanoparticle conductive cores capped with an organic coating.
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2. (canceled)
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3. (canceled)
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9. A system having:
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(i) an apparatus comprising an array of chemically sensitive sensors for detecting volatile and non-volatile compounds comprising cubic nanoparticle conductive cores capped with an organic coating, and (ii) a learning and pattern recognition analyzer, wherein said learning and pattern recognition analyzer receives sensor output signals and compares them to stored data. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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10. (canceled)
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11. (canceled)
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18. (canceled)
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19. A method for determining at least one of the composition and concentration of selected volatile and non-volatile compounds in a sample, comprising the steps of:
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providing a system comprising an apparatus for detecting volatile and non-volatile compounds comprising an array of chemically sensitive sensors of cubic nanoparticles capped with an organic coating, and a learning and pattern recognition analyzer, wherein the learning and pattern recognition analyzer receives sensor output signals and compares them to stored data; (ii) exposing the sensor array of the apparatus to the sample; and (iii) using pattern recognition algorithms to detect the presence of volatile and non-volatile compounds in the sample. - View Dependent Claims (20, 21, 23, 24, 25, 26, 27, 28)
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22. (canceled)
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29-38. -38. (canceled)
Specification