Journal
MOLECULES
Volume 26, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/molecules26040912
Keywords
alternative antimicrobial materials; infectious diseases; multidrug resistance; multimetallic nanoparticles; synergistic effect
Funding
- Rural Development Administration, Republic of Korea [PJ0157260]
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Multimetallic nanoparticles show promising synergistic effects as alternative antimicrobial agents, with their favorable physicochemical properties enabling efficient interaction with bacterial cell membranes to induce and enhance killing potency.
Recently, infectious diseases caused by bacterial pathogens have become a major cause of morbidity and mortality globally due to their resistance to multiple antibiotics. This has triggered initiatives to develop novel, alternative antimicrobial materials, which solve the issue of infection with multidrug-resistant bacteria. Nanotechnology using nanoscale materials, especially multimetallic nanoparticles (NPs), has attracted interest because of the favorable physicochemical properties of these materials, including antibacterial properties and excellent biocompatibility. Multimetallic NPs, particularly those formed by more than two metals, exhibit rich electronic, optical, and magnetic properties. Multimetallic NP properties, including size and shape, zeta potential, and large surface area, facilitate their efficient interaction with bacterial cell membranes, thereby inducing disruption, reactive oxygen species production, protein dysfunction, DNA damage, and killing potentiated by the host's immune system. In this review, we summarize research progress on the synergistic effect of multimetallic NPs as alternative antimicrobial agents for treating severe bacterial infections. We highlight recent promising innovations of multimetallic NPs that help overcome antimicrobial resistance. These include insights into their properties, mode of action, the development of synthetic methods, and combinatorial therapies using bi- and trimetallic NPs with other existing antimicrobial agents.
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