Green nanotechnology synthesized silver nanoparticles: Characterization and testing its antibacterial activity

The green plant-mediated synthesis of silver (GPS-Ag) nanoparticles (NPs) has been increasingly popular due to its eco-friendliness, availability, cost-effectiveness, and the fact that it can be safely handled and possesses a broad variability of metabolites, such as antioxidant and antimicrobial ac...

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Autores principales: AlMasoud Najla, Alhaik Hajar, Almutairi Malak, Houjak Asmaa, Hazazi Khlood, Alhayek Fatema, Aljanoubi Sarah, Alkhaibari Ahad, Alghamdi Asma, Soliman Dina A., Alomar Taghrid S., Awad Manal A.
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Publicado: De Gruyter 2021
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spelling oai:doaj.org-article:7ba3fdd62abd48d78f2d72a2e2db26b02021-12-05T14:10:50ZGreen nanotechnology synthesized silver nanoparticles: Characterization and testing its antibacterial activity2191-955010.1515/gps-2021-0048https://doaj.org/article/7ba3fdd62abd48d78f2d72a2e2db26b02021-08-01T00:00:00Zhttps://doi.org/10.1515/gps-2021-0048https://doaj.org/toc/2191-9550The green plant-mediated synthesis of silver (GPS-Ag) nanoparticles (NPs) has been increasingly popular due to its eco-friendliness, availability, cost-effectiveness, and the fact that it can be safely handled and possesses a broad variability of metabolites, such as antioxidant and antimicrobial activities. In this current study, the synthesis of AgNPs has been demonstrated using aqueous extracts of fresh leaves of Ficus carica and Salvia rosmarinus (rosemary) that reduced aqueous silver nitrate. This procedure made the synthesis of NPs possible, which was characterized by numerous analytical techniques such as ultraviolet-visible (UV-Vis) spectrophotometry, Fourier transform infrared spectroscopy, transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy, and dynamic light scattering studies. The visual observation indicated that the colour of aqueous silver nitrate turned brownish yellow after treatment with the fresh leaf extracts and was confirmed by UV-Vis spectra. In addition, the TEM analysis showed that the synthesized NPs well dispersed with average sizes less than 22 nm. Furthermore, AgNPs and aqueous leaf extracts of F. carica and rosemary were examined for their antimicrobial activities against different Gram-positive and Gram-negative bacteria strains. The results indicated that the AgNPs, derived from F. carica, have more antibacterial activities than others and inhibited bacterial growth.AlMasoud NajlaAlhaik HajarAlmutairi MalakHoujak AsmaaHazazi KhloodAlhayek FatemaAljanoubi SarahAlkhaibari AhadAlghamdi AsmaSoliman Dina A.Alomar Taghrid S.Awad Manal A.De Gruyterarticlegreen synthesisagnpsficus caricasalvia rosmarinusantimicrobial activitiesChemistryQD1-999ENGreen Processing and Synthesis, Vol 10, Iss 1, Pp 518-528 (2021)
institution DOAJ
collection DOAJ
language EN
topic green synthesis
agnps
ficus carica
salvia rosmarinus
antimicrobial activities
Chemistry
QD1-999
spellingShingle green synthesis
agnps
ficus carica
salvia rosmarinus
antimicrobial activities
Chemistry
QD1-999
AlMasoud Najla
Alhaik Hajar
Almutairi Malak
Houjak Asmaa
Hazazi Khlood
Alhayek Fatema
Aljanoubi Sarah
Alkhaibari Ahad
Alghamdi Asma
Soliman Dina A.
Alomar Taghrid S.
Awad Manal A.
Green nanotechnology synthesized silver nanoparticles: Characterization and testing its antibacterial activity
description The green plant-mediated synthesis of silver (GPS-Ag) nanoparticles (NPs) has been increasingly popular due to its eco-friendliness, availability, cost-effectiveness, and the fact that it can be safely handled and possesses a broad variability of metabolites, such as antioxidant and antimicrobial activities. In this current study, the synthesis of AgNPs has been demonstrated using aqueous extracts of fresh leaves of Ficus carica and Salvia rosmarinus (rosemary) that reduced aqueous silver nitrate. This procedure made the synthesis of NPs possible, which was characterized by numerous analytical techniques such as ultraviolet-visible (UV-Vis) spectrophotometry, Fourier transform infrared spectroscopy, transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy, and dynamic light scattering studies. The visual observation indicated that the colour of aqueous silver nitrate turned brownish yellow after treatment with the fresh leaf extracts and was confirmed by UV-Vis spectra. In addition, the TEM analysis showed that the synthesized NPs well dispersed with average sizes less than 22 nm. Furthermore, AgNPs and aqueous leaf extracts of F. carica and rosemary were examined for their antimicrobial activities against different Gram-positive and Gram-negative bacteria strains. The results indicated that the AgNPs, derived from F. carica, have more antibacterial activities than others and inhibited bacterial growth.
format article
author AlMasoud Najla
Alhaik Hajar
Almutairi Malak
Houjak Asmaa
Hazazi Khlood
Alhayek Fatema
Aljanoubi Sarah
Alkhaibari Ahad
Alghamdi Asma
Soliman Dina A.
Alomar Taghrid S.
Awad Manal A.
author_facet AlMasoud Najla
Alhaik Hajar
Almutairi Malak
Houjak Asmaa
Hazazi Khlood
Alhayek Fatema
Aljanoubi Sarah
Alkhaibari Ahad
Alghamdi Asma
Soliman Dina A.
Alomar Taghrid S.
Awad Manal A.
author_sort AlMasoud Najla
title Green nanotechnology synthesized silver nanoparticles: Characterization and testing its antibacterial activity
title_short Green nanotechnology synthesized silver nanoparticles: Characterization and testing its antibacterial activity
title_full Green nanotechnology synthesized silver nanoparticles: Characterization and testing its antibacterial activity
title_fullStr Green nanotechnology synthesized silver nanoparticles: Characterization and testing its antibacterial activity
title_full_unstemmed Green nanotechnology synthesized silver nanoparticles: Characterization and testing its antibacterial activity
title_sort green nanotechnology synthesized silver nanoparticles: characterization and testing its antibacterial activity
publisher De Gruyter
publishDate 2021
url https://doaj.org/article/7ba3fdd62abd48d78f2d72a2e2db26b0
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