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Development of UV cross-linked gelatin coated electrospun poly(caprolactone) fibrous scaffolds for tissue engineering

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Summary:Cardiovascular disease is the leading cause of morbidity and mortality among industrialized countries. Vascular grafts are often required for the surgical treatments. Considering the limitations associated with the use of autografts and with the currently available synthetic materials, a growing demand in tissue engineered vascular grafts has been registered. During the work here described, electrospinning technique was used to prepared fibrous matrices to be applied as vascular implants. For that purpose, electrospun polycaprolactone (PCL) fibrous mats were produced and afterwards coated with different hydrogel formulations based in photocrosslinkable gelatin (GelMA) and the macromers poly(ethylene glycol) acrylate (PEGA) and poly(ethylene glycol) diacrylate (PEGDA). These were further photocrosslinked under UV irradiation using Irgacure® 2959 (by BASF) as the photoinitiator. The suitability of the coated scaffolds for the intended application, was evaluated by assessing their chemical/physical properties as well as their interaction with blood and endothelial cells.
Main Authors:Correia, Tiago R.
Other Authors:Ferreira, Paula; Vaz, Rita; Alves, Patrícia; Figueiredo, Margarida; Correia, Ilídio Joaquim Sobreira; Coimbra, Patrícia
Subject:Photocrosslinking Scaffolds Gelatin Biocompatibility Electrospinning
Year:2016
Country:Portugal
Document type:article
Access type:restricted access
Associated institution:Universidade da Beira Interior
Language:English
Origin:uBibliorum

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