Abstract
Gelatin/polyvinyl alcohol (PVA) (g/P) porous hydrogels are chemically and physically crosslinked to evaluate the influence of the g/P weight ratio on the mechanical properties and cell adhesion behavior of the composite hydrogels. The degradation rate, pore size, and swelling rate of the g/P hydrogels decreased when the g/P ratio was lowered from 10/0 to 0/10 owing to the presence of PVA. Although the compressive strength increased with the increase in the PVA proportion in g/P hydrogels, no cell adhesion was observed in pure PVA due to the absence of ligands that bind to cell-surface receptors. Hydrogels with properties tailored for wound dressings can be obtained by adjusting the specific proportions of gelatin and PVA. We conclude that 5/5 and 7/3 g/P hydrogels can be applied as wound healing biomaterials because of their suitable mechanical properties, and their ability to facilitate rapid cell adhesion and proliferation.
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Acknowledgment
This research was supported by the Materials & Components Technology Development Program (Project No. 20003560), funded by the Ministry of Trade, Industry & Energy (MOTIE, Korea).
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Jeong, H., Lee, D.Y., Yang, D.H. et al. Mechanical and Cell-Adhesive Properties of Gelatin/Polyvinyl Alcohol Hydrogels and Their Application in Wound Dressing. Macromol. Res. 30, 223–229 (2022). https://doi.org/10.1007/s13233-022-0027-7
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DOI: https://doi.org/10.1007/s13233-022-0027-7