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Fabrication and Evaluation of Hesperidin Loaded Polyacrylonitrile/Polyethylene Oxide Nanofibers for Wound Dressing Application Publisher Pubmed



Taymouri S1 ; Hashemi S1 ; Varshosaz J1 ; Minaiyan M2 ; Talebi A3
Authors
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Authors Affiliations
  1. 1. Department of Pharmaceutics, School of Pharmacy and Novel Drug Delivery Systems Research Centre, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Pharmacology, School of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Department of Pathology, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Biomaterials Science, Polymer Edition Published:2021


Abstract

In this study, hesperidin (HPN) loaded polyacrylonitrile (PAN)/polyethylene oxide (PEO) electrospun nanofibers were prepared for use as wound dressing. Accordingly, HPN loaded hybrid nanofibers were generated via electrospinning. A full factorial design was then applied to evaluate the influence of formulation variables including PEO amount, HPN amount and total polymer amount on the nanofiber features. Fabricated membranes were evaluated in terms of morphology, diameter, entrapment efficiency (EE) %, drug loading (DL) %, release efficiency (RE) %, swelling % and mechanical properties. Analysis of the obtained data showed that the amount of PEO was the most effective factor impacting the swelling and release percentage; by raising the amount of PEO from 20% to 40%, the swelling % and release rate were considerably increased. The optimized nanofibers were found to be non-beaded, smooth and cylindrical with fiber diameter of 126.14 ± 23.96 nm, EE% of 38.58 ± 6.06, DL% of 5.36 ± 0.83, swelling % of 859.90 ± 33.49, RE % of 78.49 ± 0.21, UTS of 0.79 ± 0.13 MPa and Young’s moduli of 20.91 ± 2.13 MPa. The physical state of HPN in optimized hybrid nanofibers was examined and the related XRD analysis revealed that HPN was either molecularly dispersed, or it existed in an amorphous state in the nanofibers. The in vivo studies also demonstrated that the wound healing rate in the case of HPN loaded nanofibers was higher when compared with other groups. Moreover, according to H&E and MT stain results, HPN loaded nanofibers did promote the regeneration of skin more effectively, as compared with HPN-free nanofibers. Overall, HPN loaded nanofibers mats prepared in this study have the potential to serve as wound dressings. © 2021 Informa UK Limited, trading as Taylor & Francis Group.
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