2023

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Antibacterial properties of calcium oxide nanoparticles synthesized by hydrothermal method
(UMT, Lahore, 2023) Nusrat Siddique
Hydrothermal method is cost effective and reproducible technique for synthesizing nanoparticles of various types. Calcium oxide nanoparticles (NPs) are found to be most versatile type of materials that can be beneficial for electronic and biomedical applications. Choice of application depends on its various structural phases and their thermal, chemical and physical stability. In this study calcium oxide (CaO) nanoparticles were successfully prepared at 0.1M using hydrothermal method. XRD result confirmed cubic phase of calcium oxide. The SEM micrograph showed the uniform distribution along with well-defined grain boundaries in CaO nanoparticles. Calcium oxide nanoparticles exhibited strong antibacterial properties against pathogenic bacteria. Antibacterial activity shows maximum zone of inhibition (~24mm) against Bacillus subtilis species. Thus, present study shows that calcium oxide nanoparticles are non-toxic in nature and can be used in biomedical applications.