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Molecular circuits of AND gate, NOT gate, XOR and half-subtractor based on DNA hairpin structure

A technology of molecular circuits and hairpin structures, applied in DNA computers, gene models, etc., can solve problems such as the difficulty of constructing logic circuits

Active Publication Date: 2019-12-06
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When constructing basic logic gate circuits (AND gates, OR gates, and NOT gates), the construction of logic NOT gates has become a difficult point in constructing logic circuits.

Method used

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  • Molecular circuits of AND gate, NOT gate, XOR and half-subtractor based on DNA hairpin structure
  • Molecular circuits of AND gate, NOT gate, XOR and half-subtractor based on DNA hairpin structure
  • Molecular circuits of AND gate, NOT gate, XOR and half-subtractor based on DNA hairpin structure

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Embodiment Construction

[0071] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0072] The embodiment of the logical AND gate molecular circuit based on the DNA hairpin structure of the present invention

[0073] The logic AND gate molecular circuit in this embodiment includes two input molecules, two logic AND gate molecules and one output molecule. Such as figure 2 As shown, the two input molecules use two ssDNA, wherein the first input molecule M is a single strand , where 3 is a small fulcrum; the second input molecule Y is a single strand , 9 is a small fulcrum. Both logic AND gate molecules adopt hairpin structure, and the first logic AND gate molecule H is a combination of hairpin structure formed by single strand and single strand , 10 is a stem-loop, 14 is complementary to 14* base pairing, 11* is complementary to 11 base pairing, 9* is complementary to 9 base pairing; the second logical AND gate molecule ...

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Abstract

The present invention relates to an AND gate molecular circuit, a NOT gate molecular circuit, an XOR molecular circuit and a half-subtracter molecular circuit based on a DNA hairpin structure, belonging to the biocomputer technology field. The principles of the DNA single hairpin structure, the double hairpin structure and the two-way strand displacement reaction are employed to design a strand displacement reaction structure taking a conventional small fulcrum as an identification area to realize the construction of AND gate, NOT gate and XOR gate basic logic operation structures and perform globality simulation argumentation. A basic logic circuit is employed to perform combination design of the half-subtracter molecular circuit and perform argumentation simulation of the circuit feasibility.

Description

technical field [0001] The invention relates to a molecular circuit of an AND gate, a NOT gate, an exclusive OR and a half-subtractor based on a DNA hairpin structure, and belongs to the technical field of biological computers. Background technique [0002] Due to the advantages of high storage, high parallelism, and low energy consumption, DNA computing has quickly become a hot research field in current information processing. In recent years, many DNA computing models have been proposed one after another, such as: DNA strand displacement reaction applied to large-scale computing models, DNA hairpin structure and logic gate circuits, etc. These provide new ideas and perspectives for solving problems such as Hamilton, maximum clique and connectivity. When building basic logic gate circuits (AND gates, OR gates, and NOT gates), the construction of logic NOT gates has become a difficult point in constructing logic circuits. Meanwhile, good hybrid setup and scalability have a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06N3/12
CPCG06N3/123
Inventor 张勋才崔光照牛莹王英聪王茜孙军伟王延峰黄春
Owner ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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