Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 214, Issue -, Pages 470-479Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2022.06.144
Keywords
Hyaluronan derivative; Graphene oxide; Nanofibers; Antibiofilm
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In this study, an electrospun membrane based on a hyaluronic acid derivative was fabricated for the potential treatment of chronic wounds. The membrane exhibited photothermal properties and light-triggered drug release, and it effectively reduced the viability of pathogens through the synergistic effect of antibiotics and NIR-mediated hyperthermia.
Here we reported the fabrication of an electrospun membrane based on a hyaluronic acid derivative (HA-EDA) to be used as a bandage for the potential treatment of chronic wounds. The membrane, loaded with graphene oxide (GO) and ciprofloxacin, showed photothermal properties and light-triggered drug release when irradiated with a near-infrared (NIR) laser beam. Free amino groups of HA-EDA derivative allowed autocrosslinking of the elec-trospun membrane; thus, a substantial enhancement in the hydrolytic resistance of the patch was obtained. In vitro antibacterial activity studies performed on Staphylococcus aureus and Pseudomonas aeruginosa revealed that such electrospun membranes, due to the synergistic effect of the antibiotic and NIR-mediated hyperthermia, reduced the viability of both pathogens. Specific in vitro experiment demonstrated also that is possible to disrupt, through laser irradiation, the biofilms formed onto the membrane.
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