Subelia Botha
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View article: Antioxidant and Antimicrobial Activities of Green‐Synthesized Silver Nanoparticles Using a Cocktail Aqueous Extract of <i>Capparis sepiaria</i> Root and <i>Tabernaemontana elegans</i> Bark
Antioxidant and Antimicrobial Activities of Green‐Synthesized Silver Nanoparticles Using a Cocktail Aqueous Extract of <i>Capparis sepiaria</i> Root and <i>Tabernaemontana elegans</i> Bark Open
The increasing incidence of antimicrobial resistance (AMR) poses a serious threat to public health, which necessitates the development of alternative countermeasures to combat it. Green nanotechnology, in particular the use of silver nanop…
View article: Synthesis, Characterization, and Catalytic Activity of Nickel Sulfided Catalysts for the Dehydrogenation of Propane: Effect of Sulfiding Agent and Sulfidation Temperature
Synthesis, Characterization, and Catalytic Activity of Nickel Sulfided Catalysts for the Dehydrogenation of Propane: Effect of Sulfiding Agent and Sulfidation Temperature Open
The effect of sulfiding agent and sulfidation temperature on nickel catalysts supported on MgAl2O4 were investigated for propane dehydrogenation. The catalysts were prepared by reduction of NiO/MgAl2O4, followed by sulfidation using (NH4)2…
View article: Characterization and Toxicity of Hypoxoside Capped Silver Nanoparticles
Characterization and Toxicity of Hypoxoside Capped Silver Nanoparticles Open
The reducing potential of plant extracts in the green synthesis of nanoparticles has been associated with their phytochemicals. Although pharmacologically inactive, a norlignan diglucoside “hypoxoside” (HP) occurs in large quantities in th…
View article: Functional metal oxides synthesized using natural extracts from waste maize materials
Functional metal oxides synthesized using natural extracts from waste maize materials Open
We show in this article the possibilities of employing an environmentally friendly, uncomplicated, economical
\nand sustainable green synthesis technique effected by natural extracts from waste maize (zea mays lea) materials
\nto synthesiz…
View article: Biosynthesis, Characterization, and Biological Activities of Procyanidin Capped Silver Nanoparticles
Biosynthesis, Characterization, and Biological Activities of Procyanidin Capped Silver Nanoparticles Open
In this study, procyanidin dimers and Leucosidea sericea total extract (LSTE) were employed in the synthesis of silver nanoparticles (AgNPs) and characterized by ultraviolet-visible (UV-Visible) spectroscopy, high-resolution transmission e…
View article: Green Synthesis of Gold Nanoparticles Capped with Procyanidins from Leucosidea sericea as Potential Antidiabetic and Antioxidant Agents
Green Synthesis of Gold Nanoparticles Capped with Procyanidins from Leucosidea sericea as Potential Antidiabetic and Antioxidant Agents Open
In this study, procyanidins fractions of dimers and trimers (F1–F2) from the Leucosidea sericea total extract (LSTE) were investigated for their chemical constituents. The total extract and the procyanidins were employed in the synthesis o…