Abstract
The construction of DNA logic gates plays a very significant role in solving NP-complete problems, because DNA computer applied to solving NP-complete problems consists of DNA logic gates. Although AND Gate module and OR Gate module with dual-rail logic constructed by Winfree avoided the instability caused by NOT Gate, the scale of dual-rail logic circuit is two times that of single-rail logic circuit. In this paper, domain t and domain f are applied to representing signal 1 and signal 0 respectively instead of high concentration and low concentration, and AND Gate, OR Gate, NOT Gate with domain label (domain t and f) are constructed. AND Gate, OR Gate, NOT Gate with domain label have good stability and encapsulation, which can be applied to DNA computing in the future.
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