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Updated: May 8, 2025

Author Spotlight: Metallic Nanocomposites to Eliminate Antibiotic-Resistant Bacteria
Published on: October 4, 2024
Transition Metal Complexes as Antibacterial Agents: An Overview.
Nitesh Kumar1, Raj Kaushal2, Pamita Awasthi2
1Department of Chemistry, Government College, Jhandutta, District Bilaspur, Himachal Pradesh, 174031, India. niteshnit6@gmail.com.
Transition metal complexes show enhanced antibacterial activity compared to free ligands. Factors like ligand nature, metal ion, and stability significantly influence their effectiveness against bacteria.
Area of Science:
- Inorganic Chemistry
- Medicinal Chemistry
- Materials Science
Background:
- Transition metals form complexes with ligands due to their electronic properties.
- Transition metal complexes have shown therapeutic potential in various fields, including antibacterial applications.
Purpose of the Study:
- To review recent antibacterial investigations of transition metal complexes.
- To identify key factors contributing to the enhanced antibacterial activity of metal complexes.
Main Methods:
- Literature review of studies on transition metal complexes and their antibacterial activity.
- Analysis of factors influencing antibacterial efficacy, such as ligand type, metal ion, oxidation state, and complex stability.
Main Results:
- Metal complexes generally exhibit superior antibacterial activity compared to their free ligands.
- Enhanced lipophilicity and cellular membrane translocation contribute to the efficacy of metal complexes.
- Chelation significantly increases both the stability and antibacterial activity of metal complexes.
Conclusions:
- The antibacterial efficacy of transition metal complexes is influenced by ligand properties, metal characteristics, and complex stability.
- Complexation enhances the therapeutic potential of transition metals for antibacterial applications.
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