Green Synthesis of Silver Nanoparticles Using <i>Olea europaea</i> Leaf Extract for Their Enhanced Antibacterial, Antioxidant, Cytotoxic and Biocompatibility Applications
Herein, we report the green synthesis of silver nanoparticles (OE-Ag NPs) by ecofriendly green processes using biological molecules of <i>Olea europaea</i> leaf extract. Green synthesized OE-Ag NPs were successfully characterized using different spectroscopic techniques. Antibacterial ac...
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oai:doaj.org-article:618536c1148144318cfdf9cb030969a82021-11-25T17:57:49ZGreen Synthesis of Silver Nanoparticles Using <i>Olea europaea</i> Leaf Extract for Their Enhanced Antibacterial, Antioxidant, Cytotoxic and Biocompatibility Applications10.3390/ijms2222125621422-00671661-6596https://doaj.org/article/618536c1148144318cfdf9cb030969a82021-11-01T00:00:00Zhttps://www.mdpi.com/1422-0067/22/22/12562https://doaj.org/toc/1661-6596https://doaj.org/toc/1422-0067Herein, we report the green synthesis of silver nanoparticles (OE-Ag NPs) by ecofriendly green processes using biological molecules of <i>Olea europaea</i> leaf extract. Green synthesized OE-Ag NPs were successfully characterized using different spectroscopic techniques. Antibacterial activity of OE-Ag NPs was assessed against four different bacteriological strains using the dilution serial method. The cytotoxic potential was determined against MCF-7 carcinoma cells using MTT assay in terms of cell viability percentage. Antioxidant properties were evaluated in terms of 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging. Biocompatibility was further examined by incubating the synthesized NPs with hMSC cells for 24 h. The results were demonstrated that synthesized OE-Ag NPs presented excellent log<sub>10</sub> reduction in the growth of all the tested bacterial strains, which as statistically equivalent (<i>p</i> > 0.05) to the standard antibiotic drug. Moreover, they also demonstrated excellent cytotoxic efficacy against the MCF-7 carcinoma cells compared to plant lead extract and Com-Ag NPs. Green synthesized OE-Ag NPs appeared more biocompatible to hMSC and 293T cells compared to Com-Ag NPs. Excellent biological results of the OE-Ag NPs might be attributed to the synergetic effect of NPs’ properties and the adsorbed secondary metabolites of plant leaf extract. Hence, this study suggests that synthesized OE-Ag NPs can be a potential contender for their various biological and nutraceutical applications. Moreover, this study will open a new avenue to produce biocompatible nanoparticles with additional biological functionalities from the plants.Hanen SellamiShakeel Ahmad KhanIshaq AhmadAbdullah A. AlarfajAbdurahman H. HiradAhmed E. Al-SabriMDPI AGarticleAg NPs<i>Olea europaea</i>green synthesisantioxidantantimicrobialcytotoxicBiology (General)QH301-705.5ChemistryQD1-999ENInternational Journal of Molecular Sciences, Vol 22, Iss 12562, p 12562 (2021) |
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Ag NPs <i>Olea europaea</i> green synthesis antioxidant antimicrobial cytotoxic Biology (General) QH301-705.5 Chemistry QD1-999 |
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Ag NPs <i>Olea europaea</i> green synthesis antioxidant antimicrobial cytotoxic Biology (General) QH301-705.5 Chemistry QD1-999 Hanen Sellami Shakeel Ahmad Khan Ishaq Ahmad Abdullah A. Alarfaj Abdurahman H. Hirad Ahmed E. Al-Sabri Green Synthesis of Silver Nanoparticles Using <i>Olea europaea</i> Leaf Extract for Their Enhanced Antibacterial, Antioxidant, Cytotoxic and Biocompatibility Applications |
description |
Herein, we report the green synthesis of silver nanoparticles (OE-Ag NPs) by ecofriendly green processes using biological molecules of <i>Olea europaea</i> leaf extract. Green synthesized OE-Ag NPs were successfully characterized using different spectroscopic techniques. Antibacterial activity of OE-Ag NPs was assessed against four different bacteriological strains using the dilution serial method. The cytotoxic potential was determined against MCF-7 carcinoma cells using MTT assay in terms of cell viability percentage. Antioxidant properties were evaluated in terms of 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging. Biocompatibility was further examined by incubating the synthesized NPs with hMSC cells for 24 h. The results were demonstrated that synthesized OE-Ag NPs presented excellent log<sub>10</sub> reduction in the growth of all the tested bacterial strains, which as statistically equivalent (<i>p</i> > 0.05) to the standard antibiotic drug. Moreover, they also demonstrated excellent cytotoxic efficacy against the MCF-7 carcinoma cells compared to plant lead extract and Com-Ag NPs. Green synthesized OE-Ag NPs appeared more biocompatible to hMSC and 293T cells compared to Com-Ag NPs. Excellent biological results of the OE-Ag NPs might be attributed to the synergetic effect of NPs’ properties and the adsorbed secondary metabolites of plant leaf extract. Hence, this study suggests that synthesized OE-Ag NPs can be a potential contender for their various biological and nutraceutical applications. Moreover, this study will open a new avenue to produce biocompatible nanoparticles with additional biological functionalities from the plants. |
format |
article |
author |
Hanen Sellami Shakeel Ahmad Khan Ishaq Ahmad Abdullah A. Alarfaj Abdurahman H. Hirad Ahmed E. Al-Sabri |
author_facet |
Hanen Sellami Shakeel Ahmad Khan Ishaq Ahmad Abdullah A. Alarfaj Abdurahman H. Hirad Ahmed E. Al-Sabri |
author_sort |
Hanen Sellami |
title |
Green Synthesis of Silver Nanoparticles Using <i>Olea europaea</i> Leaf Extract for Their Enhanced Antibacterial, Antioxidant, Cytotoxic and Biocompatibility Applications |
title_short |
Green Synthesis of Silver Nanoparticles Using <i>Olea europaea</i> Leaf Extract for Their Enhanced Antibacterial, Antioxidant, Cytotoxic and Biocompatibility Applications |
title_full |
Green Synthesis of Silver Nanoparticles Using <i>Olea europaea</i> Leaf Extract for Their Enhanced Antibacterial, Antioxidant, Cytotoxic and Biocompatibility Applications |
title_fullStr |
Green Synthesis of Silver Nanoparticles Using <i>Olea europaea</i> Leaf Extract for Their Enhanced Antibacterial, Antioxidant, Cytotoxic and Biocompatibility Applications |
title_full_unstemmed |
Green Synthesis of Silver Nanoparticles Using <i>Olea europaea</i> Leaf Extract for Their Enhanced Antibacterial, Antioxidant, Cytotoxic and Biocompatibility Applications |
title_sort |
green synthesis of silver nanoparticles using <i>olea europaea</i> leaf extract for their enhanced antibacterial, antioxidant, cytotoxic and biocompatibility applications |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/618536c1148144318cfdf9cb030969a8 |
work_keys_str_mv |
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