Fabrication and in vitro characterization of novel co-electrospun polycaprolactone/collagen/polyvinylpyrrolidone nanofibrous scaffolds for bone tissue engineering applications

Electrospinning is a facile method to create a porous fibrous structure. Therefore, here, co-electrospun polycaprolactone (PCL)/collagen (COL)/polyvinylpyrrolidone (PVP) (PCL/COL/PVP) nanofibrous scaffolds were synthesized for bone regeneration. Morphology observations demonstrated bead-free uniform...

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Bibliographic Details
Published in:Journal of materials research 2022-12, Vol.37 (23), p.4140-4152
Main Authors: Choubar, Elahe Gholipour, Nasirtabrizi, Mohammad Hossein, Salimi, Farshid, Sohrabi-gilani, Nastaran, Sadeghianamryan, Ali
Format: Article
Language:English
Subjects:
Alizarin
Applied and Technical Physics
Biodegradability
Biomaterials
Bones
Chemistry and Materials Science
Collagen
Diameters
Electrospinning
Fibrous structure
Inorganic Chemistry
Materials Engineering
Materials research
Materials Science
Nanotechnology
Polycaprolactone
Polyvinylpyrrolidone
Regeneration (physiology)
Scaffolds
Tissue engineering
Wettability
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Summary:Electrospinning is a facile method to create a porous fibrous structure. Therefore, here, co-electrospun polycaprolactone (PCL)/collagen (COL)/polyvinylpyrrolidone (PVP) (PCL/COL/PVP) nanofibrous scaffolds were synthesized for bone regeneration. Morphology observations demonstrated bead-free uniform fibrous structure. Fiber diameter measurements showed relatively uniform fiber distribution with the most fiber diameter in the range of 0.1–1 μm for PCL/COL/PVP scaffold. X-ray diffraction test revealed semi-crystalline nature of the scaffold due to the existence of PCL. Furthermore, mechanical, wettability, swelling, and biodegradability properties of scaffolds were evaluated and it was concluded that addition of COL and PVP to the PCL scaffold improved the mentioned properties. The PCL/COL/PVP nanofibrous scaffolds had acceptable interactions with MG-63 cells and showed high cell metabolism. According to Alizarin red staining, the scaffold showed great Ca deposition and mineralization. It seems that co-electrospinning of the PCL/COL/PVP nanofibrous scaffold can meet the basic required specifications for bone tissue engineering. Graphical abstract Schematic of co-electrospinning of the PCL/COL/PVP scaffolds.
ISSN:0884-2914
2044-5326
DOI:10.1557/s43578-022-00778-w