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A supramolecular double network hydrogel is presented by physical interpenetration of DNA and cucurbit8uril networks. In addition to exhibiting an increase in strength and thermal stability, the double network hydrogel possesses excellent properties such as stretchability, ductility, shear-thinning, and thixotropy. Moreover, it is enzymatically responsive to both nuclease and cellulase, as well as small molecules, showing great potential as a new soft material scaffold.
Li et al. (Mon,) studied this question.