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- Title
Hofmeister Effect‐Assisted Strong Natural Biopolymer‐Based Hydrogels with Multi‐Functions.
- Authors
Cai, Yaqian Please confirm that given names and surnames/family names have been identified correctly. -->; Shi, Jiachuan; Liu, Fangzhe; Li, Haichao; Man, Xinya; Guan, Shuang
- Abstract
Main observation and conclusion: 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.
- Subjects
CARBOXYMETHYL compounds; HYDROGELS; HYDROPHOBIC interactions; ELECTRIC conductivity; GELATIN; POLYMERS; CHITOSAN
- Publication
Chinese Journal of Chemistry, 2021, Vol 39, Issue 11, p3085
- ISSN
1001-604X
- Publication type
Article
- DOI
10.1002/cjoc.202100408