Metal-Based Nanoparticles: Antibacterial Mechanisms and Biomedical Application

The growing increase in antibiotic-resistant bacteria has led to the search for new antibacterial agents capable of overcoming the resistance problem. In recent years, nanoparticles (NPs) have been increasingly used to target bacteria as an alternative to antibiotics. The most promising nanomaterial...

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Main Authors: Domenico Franco, Giovanna Calabrese, Salvatore Pietro Paolo Guglielmino, Sabrina Conoci
Format: Article
Language:English
Published: MDPI AG 2022-09-01
Series:Microorganisms
Subjects:
Online Access:https://www.mdpi.com/2076-2607/10/9/1778
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author Domenico Franco
Giovanna Calabrese
Salvatore Pietro Paolo Guglielmino
Sabrina Conoci
author_facet Domenico Franco
Giovanna Calabrese
Salvatore Pietro Paolo Guglielmino
Sabrina Conoci
author_sort Domenico Franco
collection DOAJ
description The growing increase in antibiotic-resistant bacteria has led to the search for new antibacterial agents capable of overcoming the resistance problem. In recent years, nanoparticles (NPs) have been increasingly used to target bacteria as an alternative to antibiotics. The most promising nanomaterials for biomedical applications are metal and metal oxide NPs, due to their intrinsic antibacterial activity. Although NPs show interesting antibacterial properties, the mechanisms underlying their action are still poorly understood, limiting their use in clinical applications. In this review, an overview of the mechanisms underlying the antibacterial activity of metal and metal oxide NPs will be provided, relating their efficacy to: (i) bacterial strain; (ii) higher microbial organizations (biofilm); (iii) and physico-chemical properties of NPs. In addition, bacterial resistance strategies will be also discussed to better evaluate the feasibility of the different treatments adopted in the clinical safety fields. Finally, a wide analysis on recent biomedical applications of metal and metal oxide NPs with antibacterial activity will be provided.
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spelling doaj.art-3f32c48478814e27bdfdbf9f4fe7423b2023-11-23T17:53:05ZengMDPI AGMicroorganisms2076-26072022-09-01109177810.3390/microorganisms10091778Metal-Based Nanoparticles: Antibacterial Mechanisms and Biomedical ApplicationDomenico Franco0Giovanna Calabrese1Salvatore Pietro Paolo Guglielmino2Sabrina Conoci3Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres, 31, 98168 Messina, ItalyDepartment of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres, 31, 98168 Messina, ItalyDepartment of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres, 31, 98168 Messina, ItalyDepartment of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d’Alcontres, 31, 98168 Messina, ItalyThe growing increase in antibiotic-resistant bacteria has led to the search for new antibacterial agents capable of overcoming the resistance problem. In recent years, nanoparticles (NPs) have been increasingly used to target bacteria as an alternative to antibiotics. The most promising nanomaterials for biomedical applications are metal and metal oxide NPs, due to their intrinsic antibacterial activity. Although NPs show interesting antibacterial properties, the mechanisms underlying their action are still poorly understood, limiting their use in clinical applications. In this review, an overview of the mechanisms underlying the antibacterial activity of metal and metal oxide NPs will be provided, relating their efficacy to: (i) bacterial strain; (ii) higher microbial organizations (biofilm); (iii) and physico-chemical properties of NPs. In addition, bacterial resistance strategies will be also discussed to better evaluate the feasibility of the different treatments adopted in the clinical safety fields. Finally, a wide analysis on recent biomedical applications of metal and metal oxide NPs with antibacterial activity will be provided.https://www.mdpi.com/2076-2607/10/9/1778antibacterial mechanismsbacterial resistancebiofilmmetal and metal oxide nanoparticlesnanotechnologynanomedicine
spellingShingle Domenico Franco
Giovanna Calabrese
Salvatore Pietro Paolo Guglielmino
Sabrina Conoci
Metal-Based Nanoparticles: Antibacterial Mechanisms and Biomedical Application
Microorganisms
antibacterial mechanisms
bacterial resistance
biofilm
metal and metal oxide nanoparticles
nanotechnology
nanomedicine
title Metal-Based Nanoparticles: Antibacterial Mechanisms and Biomedical Application
title_full Metal-Based Nanoparticles: Antibacterial Mechanisms and Biomedical Application
title_fullStr Metal-Based Nanoparticles: Antibacterial Mechanisms and Biomedical Application
title_full_unstemmed Metal-Based Nanoparticles: Antibacterial Mechanisms and Biomedical Application
title_short Metal-Based Nanoparticles: Antibacterial Mechanisms and Biomedical Application
title_sort metal based nanoparticles antibacterial mechanisms and biomedical application
topic antibacterial mechanisms
bacterial resistance
biofilm
metal and metal oxide nanoparticles
nanotechnology
nanomedicine
url https://www.mdpi.com/2076-2607/10/9/1778
work_keys_str_mv AT domenicofranco metalbasednanoparticlesantibacterialmechanismsandbiomedicalapplication
AT giovannacalabrese metalbasednanoparticlesantibacterialmechanismsandbiomedicalapplication
AT salvatorepietropaologuglielmino metalbasednanoparticlesantibacterialmechanismsandbiomedicalapplication
AT sabrinaconoci metalbasednanoparticlesantibacterialmechanismsandbiomedicalapplication