Evaluation of Keratin/Bacterial Cellulose Based Scaffolds as Potential Burned Wound Dressing

The study presents the preparation and characterization of new scaffolds based on bacterial cellulose and keratin hydrogel which were seeded with adipose stem cells. The bacterial cellulose was obtained by developing an <i>Acetobacter xylinum</i> culture and was visualized using SEM (sca...

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Bibliographic Details
Main Authors: Cezar Doru Radu, Liliana Verestiuc, Eugen Ulea, Florin Daniel Lipsa, Vasile Vulpe, Corneliu Munteanu, Laura Bulgariu, Sorin Pașca, Camelia Tamas, Bogdan Mihnea Ciuntu, Madalina Ciocan, Ionela Sîrbu, Elena Gavrilas, Ciprian Vasile Macarel, Bogdan Istrate
Format: Article
Language:English
Published: MDPI AG 2021-02-01
Series:Applied Sciences
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Online Access:https://www.mdpi.com/2076-3417/11/5/1995
Description
Summary:The study presents the preparation and characterization of new scaffolds based on bacterial cellulose and keratin hydrogel which were seeded with adipose stem cells. The bacterial cellulose was obtained by developing an <i>Acetobacter xylinum</i> culture and was visualized using SEM (scanning electron microscopy) and elementally determined through EDAX (dispersive X-ray analysis) tests. Keratin species (β–keratose and γ-keratose) was extracted by hydrolytic degradation from non-dyed human hair. SEM, EDAX and conductometric titration tests were performed for physical–chemical and morphological evaluation. Cytocompatibility tests performed in vitro confirmed the material non-toxic effect on cells. The scaffolds, with and without stem cells, were grafted on the burned wounds on the rabbit’s dorsal region and the grafts were monitored for 21 days after the application on the wounds. The clinical monitoring of the grafts and the histopathological examination demonstrated the regenerative potential of the bacterial cellulose–keratin scaffolds, under the test conditions.
ISSN:2076-3417