Volume 12, Issue 2 (4-2022)                   JABS 2022, 12(2): 119-131 | Back to browse issues page


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Shajareh M A, Dastpak A, Emtyazjoo M, Mirzaie A. Green Synthesis of Silver Nanoparticles Using Nasturtium officinale L. Extract And Analysis of Their Antibacterial Activity Against Nosocomial Pathogens. JABS 2022; 12 (2) :119-131
URL: http://jabs.fums.ac.ir/article-1-2736-en.html
1- Department of Biology, Central Tehran Branch, Islamic Azad University, Tehran, Iran
2- Department of Biology, Islamic Azad University, Central Tehran Branch, Tehran, Iran , arezoo.dastpak@iauctb.ac.ir
3- Department of Biology, Tehran North Branch, Islamic Azad University, Tehran, Iran
4- Department of Biology, Parand Branch, Islamic Azad University, Parand, Iran
Abstract:   (1499 Views)
Background & Objective:  The green synthesis of the silver nanoparticles (AgNPs) is an eco-friendly and straightforward synthesis method. This study aimed to investigate the green synthesis of AgNPs using Nasturtium officinale leaf extract and analysis of their antibacterial activity against some nosocomial pathogens.
Materials & Methods: The obtained AgNPs were characterized using UV-visible spectroscopy, X-ray diffraction (XRD), and scanning electron microscope (SEM). In addition, the antibacterial activity of synthesized AgNPs and N. officinale leaf extract were performed against five bacterial strains (Staphylococcus
 epidermidis, Escherichia coli, Staphylococcus aureus, Klebsiella pneumoniae and Pseudomonas aeruginosa) by agar disk diffusion assay and minimum inhibitory concentration test.
Results: The green synthesized AgNPs had significant antimicrobial activity against all studied bacteria. In addition, greater inhibition activity was observed against E. coli and P. aeruginosa rather than other bacteria.
Conclusion: The synthesized AgNPs revealed a special antibacterial effect against selected bacteria, compared to leaf extract of N. officinale. Identifying new antibacterial agents with profound efficacy against antibiotic-resistant opportunistic pathogens is essential. These data provide an eco-friendly and rapid green approach for AgNPs synthesis and the potential of AgNPs for use in drug development against nosocomial infections.


 
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Type of Study: Research | Subject: Nanomedicine
Received: 2021/10/22 | Accepted: 2021/12/28 | Published: 2022/06/28

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