Polysaccharide-Based Injectable Hydrogels with Fast Gelation and Self-Strengthening Mechanical Kinetics for Oral Tissue Regeneration
Oral defects lead to a series of function disorders, severely threatening the patients' health. Although injectable hydrogels are widely studied in tissue regeneration, their mechanical performance is usually stationary after implant, without further self-adaption toward the microenvironment. Herein, an injectable hydrogel with programmed mechanical kinetics of instant gelation and gradual self-strengthening along with outstanding biodegradation ability is developed. The fast gelation is realized through rapid Schiff base reaction between biodegradable chitosan and aldehyde-modified sodium hyaluronate, while self-strengthening is achieved via slow reaction between redundant amino groups on chitosan and epoxy-modified hydroxyapatite. The resultant hydrogel also possesses multiple functions including (1) bio-adhesion, (2) self-healing, (3) bactericidal, (4) hemostasis, and (5) X-ray in situ imaging, which can be effectively used for oral jaw repair. We believe that the strategy illustrated here will provide new insights into dynamic mechanical regulation of injectable hydrogels and promote their application in tissue regeneration.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:24 |
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| Enthalten in: |
Biomacromolecules - 24(2023), 7 vom: 10. Juli, Seite 3345-3356 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Gu, Yucong [VerfasserIn] |
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| Links: |
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| Themen: |
9012-76-4 |
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| Anmerkungen: |
Date Completed 11.07.2023 Date Revised 18.07.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/acs.biomac.3c00379 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM358822726 |
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| 520 | |a Oral defects lead to a series of function disorders, severely threatening the patients' health. Although injectable hydrogels are widely studied in tissue regeneration, their mechanical performance is usually stationary after implant, without further self-adaption toward the microenvironment. Herein, an injectable hydrogel with programmed mechanical kinetics of instant gelation and gradual self-strengthening along with outstanding biodegradation ability is developed. The fast gelation is realized through rapid Schiff base reaction between biodegradable chitosan and aldehyde-modified sodium hyaluronate, while self-strengthening is achieved via slow reaction between redundant amino groups on chitosan and epoxy-modified hydroxyapatite. The resultant hydrogel also possesses multiple functions including (1) bio-adhesion, (2) self-healing, (3) bactericidal, (4) hemostasis, and (5) X-ray in situ imaging, which can be effectively used for oral jaw repair. We believe that the strategy illustrated here will provide new insights into dynamic mechanical regulation of injectable hydrogels and promote their application in tissue regeneration | ||
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| 700 | 1 | |a Yang, Yuting |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Jingfeng |e verfasserin |4 aut | |
| 700 | 1 | |a Ni, Yifeng |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Jiahui |e verfasserin |4 aut | |
| 700 | 1 | |a Si, Mengjie |e verfasserin |4 aut | |
| 700 | 1 | |a Xia, Kaishun |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Wenlin |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Chunbin |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Shengqian |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Yisheng |e verfasserin |4 aut | |
| 700 | 1 | |a Du, Guangyan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Dong |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Weilian |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Si Yu |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Jintao |e verfasserin |4 aut | |
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