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Bioactive and bioadhesive catechol conjugated polymers for tissue regeneration

AuthorsPuertas-Bartolomé, María; Vázquez-Lasa, Blanca ; San Román, Julio
KeywordsWound healing
Ultraviolet (UV) shielding
Issue Date13-Jul-2018
PublisherMultidisciplinary Digital Publishing Institute
CitationPolymers 10(7): 768 (2018)
AbstractThe effective treatment of chronic wounds constitutes one of the most common worldwide healthcare problem due to the presence of high levels of proteases, free radicals and exudates in the wound, which constantly activate the inflammatory system, avoiding tissue regeneration. In this study, we describe a multifunctional bioactive and resorbable membrane with in-built antioxidant agent catechol for the continuous quenching of free radicals as well as to control inflammatory response, helping to promote the wound-healing process. This natural polyphenol (catechol) is the key molecule responsible for the mechanism of adhesion of mussels providing also the functionalized polymer with bioadhesion in the moist environment of the human body. To reach that goal, synthesized statistical copolymers of N-vinylcaprolactam (V) and 2-hydroxyethyl methacrylate (H) have been conjugated with catechol bearing hydrocaffeic acid (HCA) molecules with high yields. The system has demonstrated good biocompatibility, a sustained antioxidant response, an anti-inflammatory effect, an ultraviolet (UV) screen, and bioadhesion to porcine skin, all of these been key features in the wound-healing process. Therefore, these novel mussel-inspired materials have an enormous potential for application and can act very positively, favoring and promoting the healing effect in chronic wounds.
Publisher version (URL)https://doi.org/10.3390/polym10070768
Appears in Collections:(ICTP) Artículos
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