期刊
RESEARCH ON CHEMICAL INTERMEDIATES
卷 47, 期 3, 页码 1285-1296出版社
SPRINGER
DOI: 10.1007/s11164-020-04355-w
关键词
Ultrasonic; Zinc oxide; Silver oxide; Antibacterial; Anticancer
资金
- Mashhad University of Medical Sciences [981595]
The study successfully synthesized ZnO center dot Ag-2 nanocomposite using ultrasound waves, confirmed by various characterization techniques. The nanocomposite exhibited high antibacterial activity against pathogenic bacteria and toxicity towards liver cancer cells, while showing lower toxicity towards normal cells. These findings suggest the potential application of ZnO center dot Ag-2 nanocomposite in antimicrobial agents and liver carcinoma treatments.
In this research, a facile method using ultrasound waves was used to synthesize the ZnO center dot Ag-2 nanocomposite. It was completely characterized by powder X-ray diffraction (PXRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), dynamic light scattering (DLS) and zeta potential. PXRD showed the synthesis of ZnO and Ag2O3 in hexagonal and orthorhombic crystal structure. Microscopic images confirmed the formation of cubic, hexagonal, rectangular and spherical morphologies. The DLS size analysis showed that the mean dynamic size of the nanocomposite was 100.5 nm. Agar diffusion method was used for antimicrobial test and the results showed high antibacterial activity of ZnO center dot Ag2O3 nanocomposite against two major classes of pathogenic bacteria (i.e., Escherichia coli, Klebsiella pneumonia, Staphylococcus epidermidis and Staphylococcus aureus). Anticancer properties of ZnO center dot Ag2O3 nanocomposite using MTT assay showed that ZnO center dot Ag2O3 nanocomposite is toxic for human liver cancer cell line (HepG2). This effect depends on time and concentration of ZnO center dot Ag2O3 nanocomposite. The cell toxicity effects of ZnO center dot Ag2O3 nanocomposite also examined against HDF normal cell, in which the data demonstrated the lower cytotoxicity of nanocomposite compared to the HepG2 cell line. These results support the potential application of ZnO center dot Ag2O3 nanocomposites in antimicrobial agents, liver carcinoma treatments and also merit future translational research.
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