Journal
POLYMER
Volume 247, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2022.124786
Keywords
Hydrogel; Polyvinyl alcohol; Agarose; Mechanical property
Categories
Funding
- National Key R&D Project of China [2018YFA0704103, 2018YFA0704104]
- National Natural Science Foundation of China [11772086, U1908233]
- Fundamental Research Funds for the Central Universities [DUT21TD105]
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This study proposes a polyvinyl alcohol-acrylamide-agarose hydrogel with mechanical properties that meet the requirements for cartilage replacement materials. The introduction of agarose improves cell adhesion of the hydrogel, making it potentially beneficial in the field of biomedicine.
The self-healing ability of articular cartilage is poor, and hydrogel materials are expected to be used for cartilage replacement due to their high-water content and good biocompatibility. Here, the polyvinyl alcohol-acrylamideagarose multi-network hydrogel was proposed. The hydrogel has a compressive modulus of 1.19 MPa and a compressive strength limit of 8.87 MPa, as well as a tensile modulus of 0.63 MPa and a tensile strength limit of 1.08 MPa. The mechanical properties of hydrogel meet the requirement for cartilage replacement materials. The in vitro cell experiments indicate that the introduction of agarose improves the cell adhesion of the hydrogel, which is expected to be beneficial in the field of biomedicine.
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