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    Plasma polymers from oregano secondary metabolites: Antibacterial and biocompatible plant-based polymers

    Year: 2022

    Journal: Plasma Process. Polym., Volume 19, JUL

    Authors: Romo-Rico, Jesus; Krishna, Smriti Murali; Golledge, Jonathan; Hayles, Andrew; Vasilev, Krasimir; Jacob, Mohan, V

    Organizations: National Health and Medical Research Council [1117061, 1194466]; CRC Northern Australia; National Health and Medical Research Council of Australia [1194466] Funding Source: NHMRC

    Keywords: antibacterial; biocompatible; oregano; plant secondary metabolites; plasma polymers

    Bacterial infection of chronic wounds is a major healthcare problem that affects the quality of life of millions of patients worldwide and leads to a substantial healthcare cost burden. This project focused on the manufacture of a potential wound healing agent. Plasma polymers from oregano secondary metabolites (PP-OSMs) were fabricated by radiofrequency plasma-enhanced chemical vapor deposition (RF-PECVD) in continuous and pulse plasma modes at room temperature. The surface, biocompatibility, and antibacterial properties of the PP-OSMs were investigated. Polymers fabricated by RF-PECVD retained the functional groups of OSMs, promoted human dermal fibroblast adhesion, inhibited Staphylococcus aureus attachment, and eliminated Pseudomonas aeruginosa. The PP-OSM coatings are potential candidates for use in medical applications where cell biocompatibility and antibacterial properties are required.
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