Injectable self-healing nanocellulose hydrogels crosslinked by aluminum: Cellulose nanocrystals <i>vs</i>. cellulose nanofibrils

Zhongxin Lin; Renliang Huang; Jiangjiexing Wu; Anastasia Penkova; Wei Qi; Zhimin He; Rongxin Su

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Injectable self-healing nanocellulose hydrogels crosslinked by aluminum: Cellulose nanocrystals vs. cellulose nanofibrils

Materials and Product Engineering | Updated：2026-01-06

- Injectable self-healing nanocellulose hydrogels crosslinked by aluminum: Cellulose nanocrystals vs. cellulose nanofibrils
- Chinese Journal of Chemical Engineering Vol. 50, Issue 10, Pages: 389-397(2022)
- Affiliations：
  
  1. State Key Laboratory of Chemical Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology, School of Chemical Engineering and Technology, Tianjin University,Tianjin,China,300072
  2. Zhejiang Institute of Tianjin University,Ningbo,China,315201
  3. School of Marine Science and Technology, Tianjin University,Tianjin,China,300072
  4. . Petersburg State University, 7/9 Universitetskaya nab., Saint Petersburg,St,Russia,199034
- Author bio：
- Funds：
- DOI：
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- Published：2022
- Accepted：
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. cellulose nanofibrils[J]. 中国化学工程学报, 2022, 50(10): 389-397.
DOI：

. cellulose nanofibrils[J]. 中国化学工程学报, 2022, 50(10): 389-397. DOI：

摘要

Abstract

With excellent biocompatibility and unique physiochemical properties

nanocelluloses including cellulose nanocrystals (CNCs) and cellulose nanofibrils (CNFs) are promising candidates for preparing biomedical hydrogels. CNCs and CNFs are different in morphology and surface charges. Herein

CNCs and two CNFs (CNFs-C

Carboxylated CNFs; CNFs-P

Phosphorylated CNFs) were synthesized and applied to fabricate hydrogels through metal crosslinking. Aluminum crosslinking was found to be the best choice for enhancing the strength. This study systematically compared the morphologies

storage modulus

loss factor

continuous shear ramp

self-healing

swelling

in vitro

degradation and injectable properties of the fabricated hydrogels. Further

a radar chart is summarized as guidelines to direct the rational selection to meet the specific requirements of further biomedical applications. At the same nanocellulose concentration and after Al

crosslinking

CNCs hydrogels had strong water holding capacity twice as much as that of CNFs hydrogels. While CNFs hydrogels showed higher hardness and stronger resistance to degradation than that of CNCs. These results p

rovide detailed insights into nanocellulose hydrogels

making it possible to use these guidelines to select hydrogels for desired performance.

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Injectable self-healing nanocellulose hydrogels crosslinked by aluminum: Cellulose nanocrystals vs. cellulose nanofibrils

DOI：

摘要

Abstract

关键词

Keywords

references