Abstract
The genetic material of life is DNA, which sustains all the functions of life, the study of the relationship between DNA and life activities from the perspective of molecular level is very important for the diagnosis and treatment of genetic diseases. The DNA molecule has excellent recognition ability and self-assembly ability, and that is why it is used as a nanometre material to construct the accurate nano-structure, and then design the nano-structure with various functions. The structure is not only controllable, simple to be prepared, but also easy to achieve biological functionalization. And that is the reason why the development of biosensors of nano-fluorescent materials is rapid.
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