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Charles O. Oseghale

Researcher at University of Johannesburg

Publications -  19
Citations -  268

Charles O. Oseghale is an academic researcher from University of Johannesburg. The author has contributed to research in topics: Catalysis & Silver nanoparticle. The author has an hindex of 6, co-authored 15 publications receiving 171 citations. Previous affiliations of Charles O. Oseghale include Federal University Lafia.

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Biosynthesis of silver nanoparticles using aqueous leaf extract of Thevetia peruviana Juss and its antimicrobial activities

TL;DR: In this article, a plant-mediated synthesis of silver nanoparticles using the aqueous leaf extract of Thevetia peruviana was demonstrated using the surface plasmon resonance of the nanoparticles at 460 nm.
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Green synthesis and growth kinetics of nanosilver under bio-diversified plant extracts influence

TL;DR: In this paper, the synthesis, growth and formation kinetics of silver nanoparticles mediated by various plant extracts in their biodiversity have been monitored using UV-Vis spectrophotometer by sampling at time intervals during bioreduction process.
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Investigation of the Larvicidal Potential of Silver Nanoparticles against Culex quinquefasciatus

TL;DR: In this paper, the first study on the synthesis of AgNPs using C. hirsuta and its application against lymphatic filariasis vector was reported. And the functional groups responsible for the reduction and stabilization of the NPs were identified using Fourier Transform Infrared FTIR.
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Green synthesis of silver monometallic and copper-silver bimetallic nanoparticles using Kigelia africana fruit extract and evaluation of their antimicrobial activities

TL;DR: Aqueous extract of Kigelia africana fruits have been utilized in the syntheses of silver nanoparticles and copper-silver bimetallic nanoparticles (Ag-CuNPs) as discussed by the authors.
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A dual-purpose silver nanoparticles biosynthesized using aqueous leaf extract of Detarium microcarpum: An under-utilized species.

TL;DR: The leaf extract of Detarium mirocarpum Guill & Perr, a small tree belonging to the family Fabaceae (Legume), was used to synthesize silver nanoparticles (DAgNPs), which were characterized using spectroscopic techniques which showed hydroxyl and carbonyl functional groups to be responsible for their synthesis.