Abstract
Other than being a carrier of the code of life deoxyribonucleic acid (DNA) can also be used as a kind of ideal biomaterial with good biocompatibility. The basis of DNA dynamic nanotechnology is the toehold-mediated strand displacement reactions. Utilizing the specificity and predictability of Watson–Crick base pairing, and the programmability of the base sequence of DNA, researchers can construct the molecular machine and precisely control its operation to realize various complex molecular calculations. In this paper, we reviewed the progress of DNA structure and mechanical properties in recent years, discussed the microcosmic mechanism of DNA strand replacement reaction, and introduced the latest achievements in DNA molecular computing and its application in DNA constant temperature self-assembly.
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