DNA strand replacement technology has the advantages of simple operation which makes it becomes a common method of DNA computing. A four bit binary number Complementer based on two-domain DNA strand displacement is proposed in this paper. It implements the function of converting binary code into complement code. Simulation experiment based on Visual DSD software is carried out. The simulation results show the correctness and feasibility of the logic model of the Complementer, and it makes useful exploration for further expanding the application of molecular logic circuit.
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In recent years, DNA strand displacement technology has become an integral part of DNA computing, which is proved that the complement circuit played an important role in computer circuits. In this paper, a four-bit complement logic circuit based on DNA strand displacement is designed and simulated. The simulation results show that the designed circuit is reliable and the four-bit complement logic circuit based on DNA strand displacement also indicates that the DNA strand displacement has bright future in the construction of large-scale logic circuits.
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