Molecular circuit design method based on four-input factorial addition operation based on DNA strand replacement

Abstract

The present invention proposes a four-input factorial addition molecular circuit design method based on DNA chain replacement, the steps of which are: write out the factorials corresponding to two binary numbers, and list ten kinds of factorial sums of two binary numbers according to random combinations The truth table of the factorial addition operation circuit is constructed; the four-input factorial addition operation circuit is transformed into a dual-track logic circuit containing only logical AND gates and logical OR gates by adopting the dual-track idea, and DNA molecular logic gates are designed by using DNA molecules and four-input factorial is constructed. For the molecular circuit of addition operation, the correctness of the output results is verified by Visual DSD simulation software, the complex dynamic behavior of the four-input factorial addition operation molecular circuit is analyzed, and its dynamic behavior is verified. The invention provides a basic theoretical basis for constructing more complex logical operation circuits in the future, promotes the development of biological computers, and thus improves the reliability of biological computer logic circuits.

Description

technical field [0001] The invention relates to the technical field of molecular circuits, in particular to a four-input factorial addition molecular circuit design method based on DNA chain replacement. Background technique [0002] The rapid development and constant updating of electronic computers make computers face the problem of miniaturization. With the development of large-scale integrated circuits, microelectronic devices based on silicon-based materials will have higher and higher requirements for integration. Therefore, ultra-large-scale and ultra-large-scale integrated circuits must face problems in both physical principles and traditional process technologies. This problem may be solved by developing a new manufacturing process or introducing new alternative manufacturing materials, but this requires higher costs and also increases the possibility of various uncertain errors. As a result, the advantages of the powerful parallel computing capability and high pr...

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Problems solved by technology

[0004] Aiming at the technical problem of poor versatility of the existing DNA self-assembly technology, the present invention proposes a four-input factorial addition operation molecular circuit design method based on DNA strand displacement, and constructs DNA molecular amplification gates and DNA molecular AND gates based on the strand displacement reaction mechanism , DNA molecule OR gate, DNA molecule integration gate, DNA molecule threshold gate, DNA molecule report gate and four-input factorial addition operation molecular dual-track logic circuit, and use Visual DSD simulation software to analyze its complex dynamic behavior, which plays a role in the development of biological computers good propulsion

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