Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 117, Issue -, Pages 601-609Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2018.05.184
Keywords
Poly (epsilon-caprolactone); Collagen; Chitosan; Insulin; Electrospinning; Skin wound-dressing
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In the current study, insulin delivering chitosan nanoparticles were coated onto the electrospun poly (epsilon-caprolactone) (PCL)/Collagen (COLL) to produce a potential wound care material. Electrospun matrices were fabricated from PCL/COLL (1:1 (w/w)) solution. The insulin-loaded chitosan nanoparticles were produced by ionic gelation process and then attached onto the yarns. The dressings were investigated regarding their surface wettability, microstructure, the capacity to absorb water, water vapour permeability, mechanical properties, blood compatibility, microbial penetration, and cellular behavior. Full-thickness excisional wound model was used to assess the in vivo healing capacity of the dressings. Our data showed that after 14 days the wounds covered with PCL/COLL/Cs-Ins wound dressing could reach to nearly full wound closure compared with the sterile gauze which exhibited nearly 45% of wound size reduction. Our results suggest that fabricated scaffolds can be potentially applied in clinical practice for wound treatment. (C) 2018 Elsevier B.V. All rights reserved.
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