Abstract
AbstractDNA gel not only uses the skeleton function of hydrogel but also the biological function of DNA to realize the unified fusion of the structure and function of hydrogel material. By introducing specific small molecules into the DNA gel, it can respond to pH, temperature, ultraviolet, infrared, metal ions, and drug small molecules. To further realize the detection and loading of various small molecules in the biomedical field, the specific recognition and detection of heavy metal ions and toxins in the environment are done. In this paper, the preparation of pure DNA gel and hybrid DNA gel, their detection in the biomedical and environmental fields are reviewed, and their prospects and further development directions are discussed.
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