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• W4366424701 endingPage "1929" @default.
• W4366424701 startingPage "1929" @default.
• W4366424701 abstract "Wound contracture, which commonly happens after wound healing, may lead to physical distortion, including skin constriction. Therefore, the combination of collagen and elastin as the most abundant extracellular matrix (ECM) skin matrices may provide the best candidate biomaterials for cutaneous wound injury. This study aimed to develop a hybrid scaffold containing green natural resources (ovine tendon collagen type-I and poultry-based elastin) for skin tissue engineering. Briefly, freeze-drying was used to create the hybrid scaffolds, which were then crosslinked with 0.1% (w/v) genipin (GNP). Next, the physical characteristics (pore size, porosity, swelling ratio, biodegradability and mechanical strength) of the microstructure were assessed. Energy dispersive X-ray spectroscopy (EDX) and Fourier transform infrared (FTIR) spectrophotometry were used for the chemical analysis. The findings showed a uniform and interconnected porous structure with acceptable porosity (>60%) and high-water uptake capacity (>1200%), with pore sizes ranging between 127 ± 22 and 245 ± 35 µm. The biodegradation rate of the fabricated scaffold containing 5% elastin was lower (<0.043 mg/h) compared to the control scaffold (collagen only; 0.085 mg/h). Further analysis with EDX identified the main elements of the scaffold: it contained carbon (C) 59.06 ± 1.36–70.66 ± 2.89%, nitrogen (N) 6.02 ± 0.20–7.09 ± 0.69% and oxygen (O) 23.79 ± 0.65–32.93 ± 0.98%. FTIR analysis revealed that collagen and elastin remained in the scaffold and exhibited similar functional amides (amide A: 3316 cm−1, amide B: 2932 cm−1, amide I: 1649 cm−1, amide II: 1549 cm−1 and amide III: 1233 cm−1). The combination of elastin and collagen also produced a positive effect via increased Young’s modulus values. No toxic effect was identified, and the hybrid scaffolds significantly supported human skin cell attachment and viability. In conclusion, the fabricated hybrid scaffolds demonstrated optimum physicochemical and mechanical properties and may potentially be used as an acellular skin substitute in wound management." @default.
• W4366424701 created "2023-04-21" @default.
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• W4366424701 date "2023-04-18" @default.
• W4366424701 modified "2023-10-12" @default.
• W4366424701 title "Functionalised Hybrid Collagen-Elastin for Acellular Cutaneous Substitute Applications" @default.
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• W4366424701 doi "https://doi.org/10.3390/polym15081929" @default.
• W4366424701 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37112076" @default.
• W4366424701 hasPublicationYear "2023" @default.
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