3D fiber reinforced hydrogel scaffolds by melt electrowriting and gel casting as a hybrid design for wound healing

Afghah, Seyedeh Ferdows and Iyison, Necla Birgul and Nadernezhad, Ali and Midi, Ahmet and Sen, Ozlem and Saner Okan, Burcu and Çulha, Mustafa and Koç, Bahattin (2022) 3D fiber reinforced hydrogel scaffolds by melt electrowriting and gel casting as a hybrid design for wound healing. Advanced Healthcare Materials, 11 (11). ISSN 2192-2640 (Print) 2192-2659 (Online)

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Emerging biomanufacturing technologies have revolutionized the field of tissue engineering by offering unprecedented possibilities. Over the past few years, new opportunities arose by combining traditional and novel fabrication techniques, shaping the hybrid designs in biofabrication. One of the potential application fields is skin tissue engineering, in which a combination of traditional principles of wound dressing with advanced biofabrication methods could yield more efficient therapies. In this study, a hybrid design of fiber-reinforced scaffolds combined with gel casting is developed and the efficiency for in vivo wound healing applications is assessed. For this purpose, 3D fiber meshes produced by melt electrowriting are selectively filled with photocrosslinkable gelatin hydrogel matrices loaded with different growth factor carrier microspheres. Additionally, the influence of the inclusion of inorganic bioactive glass particles within the composite fibrous mesh is evaluated. Qualitative evaluation of secondary wound healing criteria and histological analysis shows that hybrid scaffolds containing growth factors and bioactive glass enhances the healing process significantly, compared to the designs merely providing a fiber-reinforced bioactive hydrogel matrix as the wound dressing. This study aims to explore a new application area for melt electrowriting as a powerful tool in fabricating hybrid therapeutic designs for skin tissue engineering.
Item Type: Article
Uncontrolled Keywords: hybrid hydrogel scaffolds; melt electrowriting; wound healing
Divisions: Faculty of Engineering and Natural Sciences
Sabancı University Nanotechnology Research and Application Center
Integrated Manufacturing Technologies Research and Application Center
Depositing User: Burcu Saner Okan
Date Deposited: 25 Aug 2022 11:20
Last Modified: 25 Aug 2022 11:20
URI: https://research.sabanciuniv.edu/id/eprint/44022

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