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  • Title: Nanofibrous cellulose acetate/gelatin wound dressing endowed with antibacterial and healing efficacy using nanoemulsion of Zataria multiflora.
    Author: Farahani H, Barati A, Arjomandzadegan M, Vatankhah E.
    Journal: Int J Biol Macromol; 2020 Nov 01; 162():762-773. PubMed ID: 32590085.
    Abstract:
    In this paper, a multifunctional nanofibrous cellulose acetate/gelatin/Zataria multiflora-nanoemulsion (CA/Gel/ZM-nano) wound dressing was fabricated, in which nanoemulsion of a natural active antibacterial plant, by the scientific name of Zataria multiflora (ZM) was loaded into the nanofibrous mat. To fabricate the wound dressing, different weight ratios of CA/Gel (100, 0, 75, 25, 50, 50 and 25, 75) were selected, and solutions with concentrations of 16, 15, 14 and 12% w/v were prepared for each ratio, respectively to achieve smooth and uniform fibers by electrospinning. In vitro and in vivo analysis was taken for the samples. Nanofibrous mats with a lower ratio of CA/Gel and incorporated with ZM-nano promoted the adhesion and proliferation of L929 fibroblast cells significantly. Also, by lowering the ratio of CA/Gel, nanoemulsion drug-loading into nanofibers increased considerably, as the amount of ZM-nano loaded into CA/Gel = 50:50 was found to be 2.4-fold higher than CA/Gel = 100:0. Moreover, the rat model experiment in our study revealed that the nanofibrous samples incorporated with nanoemulsion drug (ZM-nano) accelerated the wound healing process so that the relative wound area for the nanoemulsion-loaded dressings was much smaller than the other samples after 22 days. Therefore, this multifunctional CA/Gel/ZM-nano wound dressing could be a promising and potential candidate for wound healing applications.
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