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Nanomaterials 2018, 8(7), 500; https://doi.org/10.3390/nano8070500

Environmentally-Friendly Green Approach for the Production of Zinc Oxide Nanoparticles and Their Anti-Fungal, Ovicidal, and Larvicidal Properties

Addiriyah Chair for Environmental Studies, Department of Botany and Microbiology, College of Science, King Saud University, P. O. Box 2455, Riyadh 11451, Saudi Arabia
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Received: 9 May 2018 / Revised: 22 June 2018 / Accepted: 2 July 2018 / Published: 6 July 2018
(This article belongs to the Special Issue Green Synthesis of Nanomaterials)
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Abstract

Green synthesis of nanoparticles can be an important alternative compared to conventional physio-chemical synthesis. We utilized Scadoxus multiflorus leaf powder aqueous extract as a capping and stabilizing agent for the synthesis of pure zinc oxide nanoparticles (ZnO NPs). Further, the synthesized ZnO NPs were subjected to various characterization techniques. Transmission electron microscope (TEM) analysis showed an irregular spherical shape, with an average particle size of 31 ± 2 nm. Furthermore, the synthesized ZnO NPs were tested against Aedes aegypti larvae and eggs, giving significant LC50 value of 34.04 ppm. Ovicidal activity resulted in a higher percentage mortality rate of 96.4 ± 0.24 at 120 ppm with LC50 value of 32.73 ppm. Anti-fungal studies were also conducted for ZnO NPs against Aspergillus niger and Aspergillus flavus, which demonstrated a higher inhibition rate for Aspergillus flavus compared to Aspergillus niger. View Full-Text
Keywords: Scadoxus multiflorus; leaf; ZnO NPs; larvicidal; ovicidal; anti-fungal Scadoxus multiflorus; leaf; ZnO NPs; larvicidal; ovicidal; anti-fungal
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Al-Dhabi, N.A.; Valan Arasu, M. Environmentally-Friendly Green Approach for the Production of Zinc Oxide Nanoparticles and Their Anti-Fungal, Ovicidal, and Larvicidal Properties. Nanomaterials 2018, 8, 500.

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