Skip to main content

Research Repository

Advanced Search

Tailored Additives for Incorporation of Antibacterial Functionality Into Laser Sintered Parts

Wingham, James R.; Ahmed, Ifty; Islam, Md Towhidul; Shepherd, Joanna; Majewski, Candice

Tailored Additives for Incorporation of Antibacterial Functionality Into Laser Sintered Parts Thumbnail


Authors

James R. Wingham

Md Towhidul Islam

Joanna Shepherd

Candice Majewski



Abstract

Infectious disease is a major cause of death worldwide, and novel methods capable of controlling the spread of disease are in high demand. This research presents a method of producing antimicrobial microcomposites by exploiting the powder-based nature of the Laser Sintering Additive Manufacturing process, via the incorporation of silver-containing additives. Silver phosphate glass additives in different formulations were designed to determine the effect of dissolution rate on the antimicrobial efficacy. These were characterised and successfully incorporated into polyamide 12 parts, without affecting the mechanical properties. The printed microcomposite parts displayed both bactericidal and antibiofouling effects against Gram-positive and Gram-negative bacteria in nutrient-poor conditions, with the efficacy found to be more sensitive to silver content than degradation rate.

Citation

Wingham, J. R., Ahmed, I., Islam, M. T., Shepherd, J., & Majewski, C. (2022). Tailored Additives for Incorporation of Antibacterial Functionality Into Laser Sintered Parts. Frontiers in Biomaterials Science, 1, Article 929006. https://doi.org/10.3389/fbiom.2022.929006

Journal Article Type Article
Acceptance Date Jun 9, 2022
Online Publication Date Jul 8, 2022
Publication Date Jul 8, 2022
Deposit Date Jul 8, 2022
Publicly Available Date Mar 29, 2024
Journal Frontiers in Biomaterials Science
Publisher Frontiers Media
Peer Reviewed Peer Reviewed
Volume 1
Article Number 929006
DOI https://doi.org/10.3389/fbiom.2022.929006
Keywords polymer laser sintering; antibacterial material; phosphate glass; microcomposite; additive manufacturing
Public URL https://nottingham-repository.worktribe.com/output/8855376
Publisher URL https://www.frontiersin.org/articles/10.3389/fbiom.2022.929006/full?
Additional Information Copyright © 2022 Wingham , Ahmed , Islam , Shepherd  and Majewski . This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

Files




You might also like



Downloadable Citations