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Antimicrobial activity of tellurium-loaded polymeric fiber meshes

Matharu, RK; Charani, Z; Ciric, L; Illangakoon, UE; Edirisinghe, M; (2018) Antimicrobial activity of tellurium-loaded polymeric fiber meshes. Journal of Applied Polymer Science , 135 (25) , Article 46368. 10.1002/app.46368. Green open access

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Abstract

A series of poly(methylmethacrylate) solutions loaded with varying concentrations of tellurium particles are prepared and processed into continuous and smooth microfiber meshes. Scanning electron microscopy and energy-dispersive X-ray spectroscopy are used to study the morphology and surface elemental composition of the composite fibers. Fiber diameters range between 7 and 14μm with surface nanopores on the fibers ranging between 100 and 200nm. Energy-dispersive X-ray spectroscopy confirmed successful incorporation of tellurium particles into the fibers. The concentration of tellurium in the composite significantly influenced fiber diameter, pore size, and morphology. The antibacterial activity of the prepared fibers is tested using Escherichia coli K12. The fibers are incubated in bacterial suspensions for 24h at 37°C and 150rpm. Antibacterial activity is assessed through the colony-counting method and is found to be dose dependent. The fibers with 4 wt % tellurium exhibited the most potent antibacterial properties as a 1.16 log reduction was observed.

Type: Article
Title: Antimicrobial activity of tellurium-loaded polymeric fiber meshes
Open access status: An open access version is available from UCL Discovery
DOI: 10.1002/app.46368
Publisher version: https://doi.org/10.1002/app.46368
Language: English
Additional information: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/ licenses/by/4.0/.
Keywords: Biomedical applications; fibers; manufacturing
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/10045934
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