“…In the final section, we discuss the applications of these constructed supramolecular hydrogels. Hydrogels as a class of polymeric materials have received a lot of attention in recent years, and their application areas are even more diverse, including biomedicine [120,121], tissue engineering [69], drug delivery [96], soft materials [122,123], and sensing [124][125][126]. Supramolecular hydrogels based on Q[n]s have also been reported to have a variety of fascinating uses.…”