Centrifugal spinning of polyvinyl alcohol/sodium alginate-di -aldehyde-gelatin based antibacterial nanofibers intended for skin tissue engineering

Akhtar M, Ahmed S, Hussain R, Wadood A, Roy I, Atiq Ur Rehman M, Boccaccini AR (2022)

Publication Type: Journal article

Publication year: 2022

Journal

Materials Letters Elsevier

Book Volume: 323

Article Number: 132530

DOI: 10.1016/j.matlet.2022.132530

Abstract

In this study, three types of nanofibers, i.e. polyvinyl alcohol (PVA), alginate di-aldehyde (ADA)/PVA, and ADA-gelatin (GEL)/PVA, were fabricated via centrifugal spinning. The spinability of ADA was improved by mixing with PVA. Furthermore, GEL and sesame oil were added in the ADA solution to control the degradation kinetics and to improve the viscosity of the solution, respectively. Later, the solution was fed to a rotating spinneret (3000 rpm at 250 °C) which led to the fabrication of nanofibers. The developed nanofibers were loaded with copper-silver (Cu-Ag) doped mesoporous bioactive glass nanoparticles (MBGNs) to provide therapeutic effects (antibacterial effect). Scanning electron microscopy images showed that the nanofiber diameters were 139 ± 62 nm, 258 ± 42 nm, and 281 ± 34 nm, for PVA, ADA/PVA, and ADA-GEL/PVA respectively, with web-like morphology. Fourier transform infrared spectroscopy confirmed the presence of chemical bonds attributed to the ADA, GEL, and PVA components. The results of the inhibition halo test confirmed that the nanofibers (ADA-GEL/PVA & ADA/PVA) exhibit potent antibacterial effect against Staphylococcus aureus and Escherichia coli.

Authors with CRIS profile

Aldo Boccaccini Lehrstuhl für Werkstoffwissenschaften (Biomaterialien)

Involved external institutions

Institute of Space Technology (IST) PK Pakistan (PK) University of Sheffield GB United Kingdom (GB)

How to cite

APA:

Akhtar, M., Ahmed, S., Hussain, R., Wadood, A., Roy, I., Atiq Ur Rehman, M., & Boccaccini, A.R. (2022). Centrifugal spinning of polyvinyl alcohol/sodium alginate-di -aldehyde-gelatin based antibacterial nanofibers intended for skin tissue engineering. Materials Letters, 323. https://doi.org/10.1016/j.matlet.2022.132530

MLA:

Akhtar, Memoona, et al. "Centrifugal spinning of polyvinyl alcohol/sodium alginate-di -aldehyde-gelatin based antibacterial nanofibers intended for skin tissue engineering." Materials Letters 323 (2022).

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