Molecular nanotechnology is trying to harness the computational power of molecules for information processing. It is a trial to develop a general-purpose computer with molecules. Ten years ago a report was published about a breakthrough for making a general-purpose computer with biological molecules DNA. Since then, the word “DNA computation” became widespread for the meaning of computation with DNA molecules.
DNA nanotechnology entails the construction of specific geometrical and topological targets from DNA. The goals include the use of DNA molecules to scaffold the assembly of other molecules, particularly in periodic arrays, with the objects of both crystal facilitation and memory-device construction.
The desire to construct periodic matter held together by DNA sticky ends has resulted in a search for stiff components; DNA double crossover molecules appear to be the best candidates.
It appears that novel DNA motifs may be of use in the new field of DNA-based computing.
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