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Fabrication and characterization of high molecular mass tmpe-based polyurethane wound dressing materials containing allantoin and gentamicin by electrospinning
(Eurasia Acad Publ Group (Eapg), 2023) Cakmen, Ayse Basak; Noma, Samir Abbas Ali; Gurses, Canbolat; Koytepea, Suleyman; Ates, Burhan; Yilmaz, Ismet
In this study, biocompatible, antibacterial and high mechanical strength polyurethane-based wound dressing materials were prepared by using the electrospinning technique. In addition, allantoin and gentamicin which will contribute to wound healing, were incorporated into these fiber materials. Polyurethane structures containing trimethylolpropane ethoxylate (TMPE) with 2 different molecular weights were synthesized. TMPE-based polyurethanes/polycaprolactone (1:3) blends were also prepared by adding 1% gentamicin and 10% allantoin and they were knitted by the electrospinning method and turned into a wound dressing material. After this stage, chemical structure, morphological, thermal and mechanical properties, flexibility, antibacterial effect, in vitro biocompatibility, cell adhesion tests, allantoin release level, and biodegradability of the prepared wound dressing materials were performed. The prepared fiber materials exhibited antibacterial properties and 80% cell viability, approximately. In addition, the obtained wound dressing materials showed high mechanical strength and ideal gas permeability. For this reason, it offers an ideal alternative for closing wounds.