FABRICATION OF A NANOCHANNEL FOR DNA SEQUENCING USING ELECTRICAL PLATING TO ACHIEVE TUNNELING ELECTRODE GAP
First Claim
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1. A method of fabricating a nanoelectrode DNA sequencing device, comprising:
- forming a nanopore or nanochannel structure;
forming a nanoelectrode having an electrode gap exposed within the nanopore or nanochannel;
plating at least portions of the nanoelectrode with a plating material to reduce a size of the electrode gap.
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Abstract
A DNA sequencing device, and related methods, include a nanopore or nanochannel structure, and a nanoelectrode. The nanoelectrode includes electrode members having free ends exposed within the nanopore or nanochannel structure, an electrode gap defined between of the free ends, and plated portions formed on the free ends to provide a reduced sized for the electrode gap.
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Citations
20 Claims
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1. A method of fabricating a nanoelectrode DNA sequencing device, comprising:
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forming a nanopore or nanochannel structure; forming a nanoelectrode having an electrode gap exposed within the nanopore or nanochannel; plating at least portions of the nanoelectrode with a plating material to reduce a size of the electrode gap. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A DNA sequencing device, comprising:
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a nanopore or nanochannel structure; a nanoelectrode comprising; electrode members having free ends exposed within the nanopore or nanochannel structure; an electrode gap defined between of the free ends; plated portions formed on the free ends to provide a reduced sized for the electrode gap. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A method of DNA sequencing, comprising:
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providing a DNA sequencing device having a nanopore or nanochannel structure, and a nanoelectrode, the nanoelectrode having first and second electrode members with free ends exposed within the nanopore or nanochannel structure, an electrode gap defined between of the free ends, and plated portions formed on the free ends to provide a reduced size for the electrode gap; drawing a DNA strand through the nanopore or nanochannel and the electrode gap; detecting, with the nanoelectrode, electronic signals associated with separate nucleotides of the DNA strand; determining an order of the nucleotides based on the detected electronic signals. - View Dependent Claims (18, 19, 20)
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Specification