{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["12(6)"],"submitter":["Heidarian P"],"pubmed_abstract":["It is an ongoing challenge to fabricate an electroconductive and tough hydrogel with autonomous self-healing and self-recovery (SELF) for wearable strain sensors. Current electroconductive hydrogels often show a trade-off between static crosslinks for mechanical strength and dynamic crosslinks for SELF properties. In this work, a facile procedure was developed to synthesize a dynamic electroconductive hydrogel with excellent SELF and mechanical properties from starch/polyacrylic acid (St/PAA) by simply loading ferric ions (Fe3+) and tannic acid-coated chitin nanofibers (TA-ChNFs) into the hydrogel network. Based on our findings, the highest toughness was observed for the 1 wt.% TA-ChNF-reinforced hydrogel (1.43 MJ/m3), which is 10.5-fold higher than the unreinforced counterpart. Moreover, the 1 wt.% TA-ChNF-reinforced hydrogel showed the highest resistance against crack propagation and a 96.5% healing efficiency after 40 min. Therefore, it was chosen as the optimized hydrogel to pursue the remaining experiments. Due to its unique SELF performance, network stability, superior mechanical, and self-adhesiveness properties, this hydrogel demonstrates potential for applications in self-wearable strain sensors."],"journal":["Polymers"],"pagination":["E1416"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC7362235"],"repository":["biostudies-literature"],"pubmed_title":["Dynamic Mussel-Inspired Chitin Nanocomposite Hydrogels for Wearable Strain Sensors."],"pmcid":["PMC7362235"],"pubmed_authors":["Heidarian P","Kouzani AZ","Zolfagharian A","Kaynak A","Yousefi H"],"additional_accession":[]},"is_claimable":false,"name":"Dynamic Mussel-Inspired Chitin Nanocomposite Hydrogels for Wearable Strain Sensors.","description":"It is an ongoing challenge to fabricate an electroconductive and tough hydrogel with autonomous self-healing and self-recovery (SELF) for wearable strain sensors. Current electroconductive hydrogels often show a trade-off between static crosslinks for mechanical strength and dynamic crosslinks for SELF properties. In this work, a facile procedure was developed to synthesize a dynamic electroconductive hydrogel with excellent SELF and mechanical properties from starch/polyacrylic acid (St/PAA) by simply loading ferric ions (Fe3+) and tannic acid-coated chitin nanofibers (TA-ChNFs) into the hydrogel network. Based on our findings, the highest toughness was observed for the 1 wt.% TA-ChNF-reinforced hydrogel (1.43 MJ/m3), which is 10.5-fold higher than the unreinforced counterpart. Moreover, the 1 wt.% TA-ChNF-reinforced hydrogel showed the highest resistance against crack propagation and a 96.5% healing efficiency after 40 min. Therefore, it was chosen as the optimized hydrogel to pursue the remaining experiments. Due to its unique SELF performance, network stability, superior mechanical, and self-adhesiveness properties, this hydrogel demonstrates potential for applications in self-wearable strain sensors.","dates":{"release":"2020-01-01T00:00:00Z","publication":"2020 Jun","modification":"2025-04-22T19:30:10.678Z","creation":"2025-04-06T02:48:25.32Z"},"accession":"S-EPMC7362235","cross_references":{"pubmed":["32599923"],"doi":["10.3390/polym12061416"]}}