期刊
BIOINORGANIC CHEMISTRY AND APPLICATIONS
卷 2022, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2022/7268273
关键词
-
资金
- King Saud University, Riyadh, Saudi Arabia [RSP-2021/243]
The green synthesis method was used to fabricate Ag-NPs, which showed efficient photocatalytic degradation of methylene blue (MB) dye and potent anticancer property. The study highlighted the significance of as-synthesized green Ag-NPs over other physically/chemically prepared Ag-NPs.
The green synthesis method was used to effectively fabricate Ag-NPs by using Thespesia populnea bark extract. The structural, morphological, elemental composition, and optical properties of as-synthesized Ag-NPs were characterized by powder X-ray diffraction (P-XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDAX), transmission electron microscopy (TEM), and UV-Vis spectroscopy. Their photocatalytic efficiency as a photocatalyst was examined by degradation of methylene blue (MB) dye under direct sunlight irradiation. After 120 minutes of sunlight irradiation, Ag-NPs show photocatalytic degradation efficiency (DE percent) of 92%. The hydroxyl and superoxide radicals were found to be responsible for biodegradation. To the best of our acquaintance, this is the first research to use Ag-NPs as a photocatalyst for the efficient degradation of MB dye and its antimicrobial activity by using Thespesia populnea bark extract. The cytotoxic viability against SK-MEL cell line with a median inhibitory concentration (IC50) of 45 mu L/mg proved its potent anticancer property. Based on the findings, the study revealed the significance of as-synthesized green Ag-NPs over other physically/chemically prepared Ag-NPs.
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