Although intelligent hydrogels have shown bright potential application in biomedical fields,they were prepared by conventional methods and still face many serious challenges,such as uncontrollable stimulus-response an...Although intelligent hydrogels have shown bright potential application in biomedical fields,they were prepared by conventional methods and still face many serious challenges,such as uncontrollable stimulus-response and low response sensitivity.Recently,RAFT polymerization provides a versatile strategy for the fabrication of intelligent hydrogels with improved stimulus-response properties,owing to the ability to efficiently construct hydrogel precursors with well-defined structure,such as block copolymer,graft copolymer,star copolymer.In this review,we summarized the recent progress on intelligent hydrogels based on RAFT polymerization with emphasis on their fabrication strategies and applications for controlled drug delivery.展开更多
It is of great sighificance to develop rapid crosslinking strategies to enrich the functions of hydrogels and simplify the preparation process of hydrogels.Herein,we applied the ternary condensation reaction of o-phth...It is of great sighificance to develop rapid crosslinking strategies to enrich the functions of hydrogels and simplify the preparation process of hydrogels.Herein,we applied the ternary condensation reaction of o-phthalaldehyde(OPA)with thiol and amino moieties to con struct hydrogel n etworks with fast gelati on rate,excellent mecha nical stre ngth,and favorable stability.展开更多
基金supported by National Science and Technology Major Project of the Ministry of Science and Technology of China (No. 2018ZX10301402)International Cooperation and Exchange of the National Natural Science Foundation of China (No. 51820105004)+2 种基金the Science and Technology Program of Guangzhou (No. 201707010094)Guangdong Innovative and Entrepreneurial Research Team Program (Nos. 2013S086 and 2016ZT06S029)the Science and Technology Planning Project of Shenzhen (No. JCYJ20170307141438157)
文摘Although intelligent hydrogels have shown bright potential application in biomedical fields,they were prepared by conventional methods and still face many serious challenges,such as uncontrollable stimulus-response and low response sensitivity.Recently,RAFT polymerization provides a versatile strategy for the fabrication of intelligent hydrogels with improved stimulus-response properties,owing to the ability to efficiently construct hydrogel precursors with well-defined structure,such as block copolymer,graft copolymer,star copolymer.In this review,we summarized the recent progress on intelligent hydrogels based on RAFT polymerization with emphasis on their fabrication strategies and applications for controlled drug delivery.
基金This work was supported by the Ministry of Science and Technology of China(No.2020YFA0908900)the National Natural Science Foundation of China(Nos.21935011,21725403,and 51973226)the Youth Innovation Promotion Association CAS(No.2019031).
文摘It is of great sighificance to develop rapid crosslinking strategies to enrich the functions of hydrogels and simplify the preparation process of hydrogels.Herein,we applied the ternary condensation reaction of o-phthalaldehyde(OPA)with thiol and amino moieties to con struct hydrogel n etworks with fast gelati on rate,excellent mecha nical stre ngth,and favorable stability.