Systems and methods for controlling position of charged polymer inside nanopore
First Claim
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1. A method for controlling a position of a linear charged polymer inside a nanopore, comprising the steps of:
- using electrostatic control to position a linear charged polymer inside a nanopore; and
applying an independent voltage to each of three locking electrodes, wherein the three locking electrodes each have a cylindrical geometry and are separated by one or more insulators, creating an electrostatic potential well inside the nanopore that varies along nanopore via setting an electrical potential of each of the three locking electrodes independently, wherein the electrical potential of a second locking electrode differs from the electrical potential of a first and third locking electrode, andwherein the electrostatic potential well controls a position of the linear charged polymer inside the nanopore, wherein controlling a position of the linear charged polymer inside the nanopore comprises using the electrostatic potential well to lock the position of one monomer of the linear charged polymer inside the nanopore.
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Abstract
Techniques for controlling the position of a charged polymer inside a nanopore are provided. For example, one technique includes using electrostatic control to position a linear charged polymer inside a nanopore, and creating an electrostatic potential well inside the nanopore, wherein the electrostatic potential well controls a position of the linear charged polymer inside the nanopore.
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Citations
20 Claims
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1. A method for controlling a position of a linear charged polymer inside a nanopore, comprising the steps of:
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using electrostatic control to position a linear charged polymer inside a nanopore; and applying an independent voltage to each of three locking electrodes, wherein the three locking electrodes each have a cylindrical geometry and are separated by one or more insulators, creating an electrostatic potential well inside the nanopore that varies along nanopore via setting an electrical potential of each of the three locking electrodes independently, wherein the electrical potential of a second locking electrode differs from the electrical potential of a first and third locking electrode, and wherein the electrostatic potential well controls a position of the linear charged polymer inside the nanopore, wherein controlling a position of the linear charged polymer inside the nanopore comprises using the electrostatic potential well to lock the position of one monomer of the linear charged polymer inside the nanopore. - View Dependent Claims (2, 3, 4)
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5. A method for characterizing a linear charged polymer, comprising the steps of:
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applying a time-dependent voltage to each of two or more drag electrodes to attract a linear charged polymer from a first part of a reservoir to a second part of a reservoir; detecting entry of the linear charged polymer inside a nanopore; reducing the time-dependent voltage from each drag electrode; applying an independent time-dependent voltage to each of three locking electrodes, wherein the three locking electrodes each have a cylindrical geometry and are separated by one or more insulators, creating an electrostatic potential well inside the nanopore that varies along the nanopore via setting an electrical potential of each of the three locking electrodes independently, wherein the electrical potential of a second locking electrode differs from the electrical potential of a first and third locking electrode, and wherein the electrostatic potential well controls a position of the linear charged polymer, and wherein controlling a position of the linear charged polymer inside the nanopore comprises using the electrostatic potential well to lock the position of one monomer of the linear charged polymer inside the nanopore; and performing one or more characterization activities on a monomer of the linear charged polymer. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification