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- Title
Green synthesis of magnesium oxide nanoparticles using Dalbergia sissoo extract for photocatalytic activity and antibacterial efficacy.
- Authors
Khan, Muhammad Isa; Akhtar, Muhammad Naseem; Ashraf, Naveed; Najeeb, Jawayria; Munir, Hira; Awan, Tahir Iqbal; Tahir, Muhammad Bilal; Kabli, Mohammad Reda
- Abstract
Here, the synthesis of magnesium oxide (MgO) nanoparticles (NPs) was carried out by using Dalbergia sissoo leaf extract. The synthesis methodology was optimized by studying the effect of reaction parameters on the bandgap (Eg) values of the prepared MgO-NPs. The fabricated NPs were characterized by ultraviolet–visible spectroscopy (UV–Vis), Scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX) and X-ray diffraction spectroscopy (XRD). The photocatalytic potential of MgO-NPs was investigated by carrying out the degradation reaction of methylene blue (MB) dye. MgO-NPs with Eg value of 4.1758 eV were found to be most effective in terms of photocatalytic degradation of MB under various conditions. The antibacterial activity of MgO-NPs was also investigated by using the disc diffusion method. MgO-NPs with lower Eg values exhibited better antibacterial results in comparison to the MgO-NPs with higher Eg values. Enhanced antibacterial potential was observed against Escherichia coli, while moderate activity was documented against the strain of Ralstonia solanacearum. Thus, the engineered MgO-NPs exhibited excellent utility potential for multidimensional applications.
- Subjects
MAGNESIUM oxide; NANOPARTICLES; ULTRAVIOLET-visible spectroscopy; METHYLENE blue; RALSTONIA solanacearum; X-ray spectroscopy
- Publication
Applied Nanoscience, 2020, Vol 10, Issue 7, p2351
- ISSN
2190-5509
- Publication type
Article
- DOI
10.1007/s13204-020-01414-x