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- W3128690557 abstract "Developing advanced materials for wound dressings is a very challenging, yet unaddressed task. These systems are supposed to act as temporary skin substitutes, performing multiple functions, including fluid absorption and antimicrobial action, supporting cell proliferation and migration in order to promote the skin regeneration process. Following a global bioinspired approach, in this study, we developed a multifunctional textile for wound dressing applications. Biodegradable polyhydroxybutyrate/poly-3-caprolactone (PHB/PCL) mats were fabricated by electrospinning to mimic the extracellular matrix (ECM), thus providing structural and biochemical support to tissue regeneration. Furthermore, inspired by nature's strategy which exploits melanin as an effective weapon against pathogens infection, PHB/PCL mats were modified with hybrid Melanin-TiO 2 nanostructures. These were combined to PHB/PCL mats following two different strategies: in-situ incorporation during electrospinning process, alternately ex-post coating by electrospraying onto obtained mats. All samples revealed huge water uptake and poor cytotoxicity towards HaCat eukaryotic cells. Melanin-TiO 2 coating conferred PHB/PCL mats significant antimicrobial activity towards both Gram(+) and Gram(−) strains, marked hydrophilic properties as well as bioactivity which is expected to promote materials-cells interaction. This study is going to provide a novel paradigm for the design of active wound dressings for regenerative medicine. • Multifunctional Polyhydroxybutyrate/poly-3-caprolactone (PHB/PCL) wound dressing was developed following bioinspired approach. • Biodegradable electrospun PCL/PHB mats were modified with biocompatible, antimicrobial Melanin-TiO 2 nanostructures. • PCL/PHB /Melanin-TiO 2 fibers exhibited huge water uptake. • Surface Melanin-TiO 2 coating conferred to PCL/PHB mats relevant antimicrobial activity, marked hydrophilicity as well as in-vitro bioactivity." @default.
- W3128690557 created "2021-02-15" @default.
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- W3128690557 date "2021-04-01" @default.
- W3128690557 modified "2023-09-24" @default.
- W3128690557 title "Multifunctional mats by antimicrobial nanoparticles decoration for bioinspired smart wound dressing solutions" @default.
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- W3128690557 doi "https://doi.org/10.1016/j.msec.2021.111954" @default.
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