Antibacterial coating on magnesium alloys by MAO for biomedical applications

Purpose Modern implant materials that are amazingly comparable to natural bone include magnesium alloys. Due to its outstanding mechanical qualities, biodegradability, and biocompatibility, biomedical researchers have taken note of it. Magnesium’s ability to resist corrosion will reduce its antibact...

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Bibliographic Details
Published in:Research on biomedical engineering 2024, Vol.40 (2), p.409-433
Main Authors: Pesode, Pralhad, Barve, Shivprakash, Dayane, Shailendra
Format: Article
Language:English
Subjects:
Biomaterials
Biomedical Engineering and Bioengineering
Biomedical Engineering/Biotechnology
Engineering
Review
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Summary:Purpose Modern implant materials that are amazingly comparable to natural bone include magnesium alloys. Due to its outstanding mechanical qualities, biodegradability, and biocompatibility, biomedical researchers have taken note of it. Magnesium’s ability to resist corrosion will reduce its antibacterial capabilities, especially which are correlated with and dependent upon the alkaline pH at the time of breakdown. The antibacterial activities of magnesium alloys can be improved even though keeping their high degree of corrosion resistance by applying the micro-arc oxidation (MAO) surface modification technique. Method Antibacterial substances added to solutions during the MAO process significantly boost the coatings’ antibacterial activity. Additionally, implant-related infections can be started when bacteria cling to the surface of biomaterials, which is a major clinical problem. The best way to prevent the spread of germs and material deterioration is to use antimicrobial surfaces to prevent the formation of biofilms. One of the methods, micro-arc oxidation (MAO), is quite beneficial for coating magnesium implants with bioactive and antibacterial compounds. Conclusion It was observed that MAO is very good technique to improve antibacterial properties and corrosion resistance of magnesium alloys used for biomedical applications.In this study, the authors will examine in more depth the antibacterial characteristics of MAO coating created on Mg alloys. This research examines the antibacterial mechanisms of several nanoparticles, which include Zn, Ag, Cu, and AgO when combined into MAO coatings.
ISSN:2446-4732
2446-4740
DOI:10.1007/s42600-024-00347-6