Nanopore-based single molecule characterization
First Claim
1. A method for manipulating a nucleic acid molecule in a nanopore, the method comprising:
- (a) forming a first bulky structure on a first end of a nucleic acid molecule at a first temperature;
(b) applying a first electrical potential to flow the nucleic acid molecule through a nanopore; and
(c) forming a second bulky structure on a second end of the nucleic acid molecule at a second temperature.
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Abstract
The present invention relates to a method of using nanopore to obtain sequence information of an unknown structure (unknown DNA) in a ss test DNA. The method comprises using speed bump to stall the ss test DNA in the nanopore at random positions of the ss test DNA to obtain sequence information of each and every nucleotides of the unknown DNA, and to construct the whole sequence of the unknown DNA. The present invention also relates to a novel method of trapping a ss test DNA in a nanopore using two bulky structures formed under different conditions (e.g. different temperature), and the bulky structures are able to keep the ss test DNA trapped in a nanopore at a working temperature.
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Citations
38 Claims
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1. A method for manipulating a nucleic acid molecule in a nanopore, the method comprising:
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(a) forming a first bulky structure on a first end of a nucleic acid molecule at a first temperature; (b) applying a first electrical potential to flow the nucleic acid molecule through a nanopore; and (c) forming a second bulky structure on a second end of the nucleic acid molecule at a second temperature. - 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, 24, 25, 26, 27, 28)
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29. A method for sequencing a nucleic acid molecule, comprising:
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(a) providing a chip comprising at least one nanopore in a lipid bilayer membrane that is disposed adjacent or in proximity to an electrode, wherein said electrode is adapted to detect said nucleic acid molecule or a portion thereof; (b) threading the nucleic acid molecule into the nanopore at a first temperature; (c) trapping the nucleic acid molecule in the nanopore at a second temperature; and (d) detecting one or more nucleic acid bases of the nucleic acid molecule while the nucleic acid molecule is trapped in the nanopore. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38)
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Specification