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Preparation of Chitosan-based Injectable Hydrogels and Its Application in 3D Cell Culture
Published on: September 29, 2017
Anti-freezing, self-healing and human sensors nanocomposite hydrogels based on functionalized cellulose nanocrystals
Shuang Feng1, Dongqi Yue1, Liangjiu Bai1
1School of Chemistry and Materials Science, Ludong University, Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province, Collaborative Innovation Center of Shandong Province for High Performance Fibers and Their Composites, Yantai, 264025, China.
Abstract:
Wearable flexible sensors face the challenge of maintaining stable performance and state in low-temperature environments. In this work, a nano-reinforced material (CNCs/PDA/ZP) composed of ZP and PDA-coated polysaccharide material CNCs was designed. By introducing the modified nanomaterial CNCs/PDA/ZP and PDX into double-network hydrogels composed of PAA and CG, nanocomposite hydrogels were prepared. The hydrogels exhibit excellent antifreeze properties (-35 °C), along with high sensitivity (GF = 2.97) and a rapid response time (229.2 ms). Its strain sensor can detect human motion within a wide temperature range, and it also has good biocompatibility. This achievement not only expands the environmental adaptability of hydrogels but also paves a new way for the practical application of biocompatible flexible electronic devices.
