Systems and methods for assembling a lipid bilayer on a substantially planar solid surface

a technology of substantially planar solid surface and lipid bilayer, which is applied in the direction of biochemical apparatus and processes, instruments, coatings, etc., can solve the problem of not being able to discriminate down to a single base pair, the magnitude of the current passing through the nanopore changes, and the analysis is difficul

Inactive Publication Date: 2012-03-01
GENIA TECH
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  • Abstract
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  • Application Information

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Problems solved by technology

When a molecule such as a DNA or RNA molecule passes through the nanopore, it can partially or completely block the nanopore, causing a change in the magnitude of the current through the nanopore.
However, this technology still faces various challenges and so far it has not been able to discriminate down to a single base pair.
In particular, the electrical potential needed to attract a ssDNA molecule in the nanopore tends to cause the ssDNA molecule to pass through the nanopore very quickly, making analysis difficult.
However, such an approach may involve extensive sample preparation and may not be suitable for small sample sizes.

Method used

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  • Systems and methods for assembling a lipid bilayer on a substantially planar solid surface
  • Systems and methods for assembling a lipid bilayer on a substantially planar solid surface
  • Systems and methods for assembling a lipid bilayer on a substantially planar solid surface

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Embodiment Construction

[0014]The invention can be implemented in numerous ways, including as a process; an apparatus; a system; a composition of matter; a computer program product embodied on a computer readable storage medium; and / or a processor, such as a processor configured to execute instructions stored on and / or provided by a memory coupled to the processor. In this specification, these implementations, or any other form that the invention may take, may be referred to as techniques. In general, the order of the steps of disclosed processes may be altered within the scope of the invention. Unless stated otherwise, a component such as a processor or a memory described as being configured to perform a task may be implemented as a general component that is temporarily configured to perform the task at a given time or a specific component that is manufactured to perform the task. As used herein, the term ‘processor’ refers to one or more devices, circuits, and / or processing cores configured to process da...

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Abstract

Techniques for assembling a lipid bilayer on a substantially planar solid surface are described herein. In one example, a lipid material such as a lipid suspension is deposited on a substantially planar solid surface, a bubble filled with fast diffusing gas molecules is formed on the solid surface, and the gas molecules are allowed to diffuse out of the bubble to form a lipid bilayer on the solid surface.

Description

BACKGROUND OF THE INVENTION[0001]Nanopore membrane devices having pore size in the order of 1 nanometer in internal diameter have shown promise in rapid nucleotide sequencing. When a voltage potential is applied across the nanopore immersed in a conducting fluid, a small ion current due to conduction of ions across the nanopore can be observed. The size of the current is sensitive to the pore size. When a molecule such as a DNA or RNA molecule passes through the nanopore, it can partially or completely block the nanopore, causing a change in the magnitude of the current through the nanopore. It has been shown that the ionic current blockade can be correlated with the base pair sequence of the DNA molecule.[0002]However, this technology still faces various challenges and so far it has not been able to discriminate down to a single base pair. In particular, the electrical potential needed to attract a ssDNA molecule in the nanopore tends to cause the ssDNA molecule to pass through the...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C23C16/52B29C71/04B05C9/12B05D5/12
CPCC12Q1/6876B82Y5/00G01N33/48721
Inventor CHEN, ROGERDAVIS, RANDY
Owner GENIA TECH
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