Anisotropic wood-hydrogel composites: Extending mechanical properties of wood towards soft materials' applications.
Cell alignment
Composites
Delignified wood
Hydrogel
Mechanical gradient
Soft materials
Journal
Materials today. Bio
ISSN: 2590-0064
Titre abrégé: Mater Today Bio
Pays: England
ID NLM: 101757228
Informations de publication
Date de publication:
Oct 2023
Oct 2023
Historique:
received:
24
04
2023
revised:
28
07
2023
accepted:
15
08
2023
medline:
7
9
2023
pubmed:
7
9
2023
entrez:
7
9
2023
Statut:
epublish
Résumé
Delignified wood (DW) offers a versatile platform for the manufacturing of composites, with material properties ranging from stiff to soft and flexible by preserving the preferential fiber directionality of natural wood through a structure-retaining production process. This study presents a facile method for fabricating anisotropic and mechanically tunable DW-hydrogel composites. These composites were produced by infiltrating delignified spruce wood with an aqueous gelatin solution followed by chemical crosslinking. The mechanical properties could be modulated across a broad strength and stiffness range (1.2-18.3 MPa and 170-1455 MPa, respectively) by varying the crosslinking time. The diffusion-led crosslinking further allowed to manufacture mechanically graded structures. The resulting uniaxial, tubular structure of the anisotropic DW-hydrogel composite enabled the alignment of murine fibroblasts
Identifiants
pubmed: 37674781
doi: 10.1016/j.mtbio.2023.100772
pii: S2590-0064(23)00232-6
pmc: PMC10477686
doi:
Types de publication
Journal Article
Langues
eng
Pagination
100772Informations de copyright
© 2023 The Authors.
Déclaration de conflit d'intérêts
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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