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Hofmeister Effect-Assisted Strong Natural Biopolymer-Based Hydrogels with Multi-Functions 被引量:3
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作者 Yaqian Cai Jiachuan Shi +3 位作者 Fangzhe Liu Haichao Li Xinya Man Shuang Guan 《Chinese Journal of Chemistry》 SCIE CAS CSCD 2021年第11期3085-3092,共8页
Natural biopolymer-based hydrogels have been extensively studied in recent years due to their excellent biocompatibility.However,the preparation of multi-functional and tough natural biopolymer-based hydrogels is stil... Natural biopolymer-based hydrogels have been extensively studied in recent years due to their excellent biocompatibility.However,the preparation of multi-functional and tough natural biopolymer-based hydrogels is still a challenging problem.Herein,a natural biopolymer-based hydrogel is prepared using gelatin and carboxymethyl chitosan(CMCS)through a one-step soaking method.The prepared hydrogel without any synthetic polymers and crosslinking agents has a fully physical crosslinking structure.Due to the hydrophobic interaction brought by the Hofmeister effect,the mechanical properties of soaked hydrogels(tensile stress and strain can reach 3.77 MPa and 1082%)are superior to conventional protein hydrogels.In addition,the prepared gelatin/carboxymethyl chitosan(Gel/CMCS)hydrogels exhibit a variety of appealing properties,including good shape memory,fatigue resistance,electrical conductivity,water retention,drug releasing,antibacterial property,and recyclability.This strategy opens up a new horizon to fabricate hydrogels with excellent mechanical properties and multiple functions,which can extend their applications in the biomedicine area and other related fields. 展开更多
关键词 Natural biopolymer-based hydrogels Mechanical properties Polymers Hofmeister effect multi-fuctions
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