Advanced Ceramics Progress

Advanced Ceramics Progress

Exploring the Antibacterial Potential of Zinc Sulfide/Chitosan Nanocomposites

Document Type : Original Research Article

Authors
1 BSc Student, Faculty of Materials and Metallurgical Engineering, Semnan University, Semnan, Iran.
2 Research Assistant, Faculty of Materials and Metallurgical Engineering, Semnan University, Semnan, Iran.
3 Assistant Professor, Department of Nanotechnology, Faculty of New Sciences and Technologies, Semnan University, Semnan, Iran.
4 Professor, Faculty of Materials & Metallurgical Engineering, Semnan University, Semnan, Iran.
Abstract
Bacterial infections are a rising concern, and nanomaterials offer promising solutions to combat them. The synthesis and antibacterial characteristics of zinc sulfide/chitosan nanocomposite were investigated to solve this critical issue, paving the way for new possibilities in this filed. The manufacturing and analysis of these nanocomposites were also studied based on some imaging methods such as XRD, FTIR, FESEM, EDX elemental mapping, and antibacterial (a colony count method). The results from XRD indicated that chitosan and hexagonal ZnS crystals with the average size of 30-40 nm formed ZnS/CS nanoparticles. The FTIR spectrum revealed nanoparticle groups and bonding which were indicative of synthesis and stability. Additionally, FESEM imaging demonstrated the surface shape of the nanocomposite with a particle size distribution of 212-nm, and EDX confirmed its components and composition. Antibacterial effectiveness against Gram-positive (Staphylococcus aureus) and Gram-negative (Escherichia coli) bacteria was also evaluated. ZnS nanoparticles and ZnS/CS nanocomposite were found to be more potent than CS and ZnS alone. These findings show that the produced samples may provide insights into prospective paths for fighting bacterial infections and enhancing biomedical technologies.
Keywords
Subjects

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  • Receive Date 30 October 2024
  • Revise Date 30 November 2024
  • Accept Date 15 July 2025