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Open AccessArticle

Green Silver Nanoparticles Formed by Phyllanthus urinaria, Pouzolzia zeylanica, and Scoparia dulcis Leaf Extracts and the Antifungal Activity

1
Institute of Applied Materials Science, Vietnam Academy of Science and Technology, 01 TL29 District 12, Ho Chi Minh City 700000, Vietnam
2
Vietnam Academy of Science and Technology, Graduate University of Science and Technology, Hanoi 100000, Vietnam
3
Biomedical Engineering, Malone Engineering Center 402A, Yale University, 55 Prospect St. New Haven, CT 06511, USA
4
Department of Molecular Science and Technology, Ajou University, Suwon 16499, Korea
5
Department of Chemical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia
6
Biomaterials and Nanotechnology Research Group, Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, 700000 Vietnam
*
Authors to whom correspondence should be addressed.
Nanomaterials 2020, 10(3), 542; https://doi.org/10.3390/nano10030542
Received: 1 March 2020 / Revised: 12 March 2020 / Accepted: 15 March 2020 / Published: 17 March 2020
(This article belongs to the Special Issue Antibacterial Activity of Nanoparticles)
Phytoconstituents presenting in herbal plant broths are the biocompatible, regenerative, and cost-effective sources that can be utilized for green synthesis of silver nanoparticles. Different plant extracts can form nanoparticles with specific sizes, shapes, and properties. In the study, we prepared silver nanoparticles (P.uri.AgNPs, P.zey.AgNPs, and S.dul.AgNPs) based on three kinds of leaf extracts (Phyllanthus urinaria, Pouzolzia zeylanica, and Scoparia dulcis, respectively) and demonstrated the antifungal capacity. The silver nanoparticles were simply formed by adding silver nitrate to leaf extracts without using any reducing agents or stabilizers. Formation and physicochemical properties of these silver nanoparticles were characterized by UV-vis, Fourier transforms infrared spectroscopy, scanning electron microscope, transmission electron microscope, and energy dispersive X-ray spectroscopy. P.uri.AgNPs were 28.3 nm and spherical. P.zey.AgNPs were 26.7 nm with hexagon or triangle morphologies. Spherical S.dul.AgNPs were formed and they were relatively smaller than others. P.uri.AgNPs, P.zey.AgNPs and S.dul.AgNPs exhibited the antifungal ability effective against Aspergillus niger, Aspergillus flavus, and Fusarium oxysporum, demonstrating their potentials as fungicides in the biomedical and agricultural applications. View Full-Text
Keywords: silver nanoparticles; green synthesis; Phyllanthus urinaria; Pouzolzia zeylanica; Scoparia dulcis; the antifungal activity silver nanoparticles; green synthesis; Phyllanthus urinaria; Pouzolzia zeylanica; Scoparia dulcis; the antifungal activity
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Nguyen, D.H.; Lee, J.S.; Park, K.D.; Ching, Y.C.; Nguyen, X.T.; Phan, V.G.; Hoang Thi, T.T. Green Silver Nanoparticles Formed by Phyllanthus urinaria, Pouzolzia zeylanica, and Scoparia dulcis Leaf Extracts and the Antifungal Activity. Nanomaterials 2020, 10, 542.

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