Antibacterial Character of Cationic Polymers Attached to Carbon-Based Nanomaterials

Plachá, Daniela, Muñoz-Bonilla, Alexandra, Škrlová, Kateřina, Echeverria, Coro, Chiloeches, Alberto, Petr, Martin, Lafdi, Khalid and Fernández-García, Marta (2020) Antibacterial Character of Cationic Polymers Attached to Carbon-Based Nanomaterials. Nanomaterials, 10 (6). p. 1218. ISSN 2079-4991

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Official URL: https://doi.org/10.3390/nano10061218

Abstract

The preparation of hybrid polymeric systems based on carbon derivatives with a cationic polymer is described. The polymer used is a copolymer of a quaternizable methacrylic monomer with another dopamine-based monomer capable of anchoring to carbon compounds. Graphene oxide and graphene as well as hybrid polymeric systems were widely characterized by infrared, Raman and photoemission X-ray spectroscopies, electron scanning microscopy, zeta potential and thermal degradation. These allowed confirming the attachment of copolymer onto carbonaceous materials. Besides, the antimicrobial activity of hybrid polymeric systems was tested against Gram positive Staphylococcus aureus and Staphylococcus epidermidis and Gram negative Escherichia coli and Pseudomonas aeruginosa bacteria. The results showed the antibacterial character of these hybrid systems.

Item Type: Article
Uncontrolled Keywords: graphene oxide; graphene; antimicrobial; polymer; dopamine; cationic group; functionalizations
Subjects: F200 Materials Science
H800 Chemical, Process and Energy Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Elena Carlaw
Date Deposited: 17 Feb 2021 15:41
Last Modified: 17 Feb 2021 15:45
URI: http://nrl.northumbria.ac.uk/id/eprint/45461

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