Comparative Study of Callistemon citrinus (Bottlebrush) and Punica granatum (Pomegranate) Extracts for Sustainable Synthesis of Silver Nanoparticles and Their Oral Antimicrobial Efficacy

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dc.contributor.authorIsmail, Enas
dc.contributor.authorMohamed, Abubaker
dc.contributor.authorElzwawy, Amir
dc.date.accessioned2024-10-07T11:10:37Z
dc.date.available2024-10-07T11:10:37Z
dc.date.issued2024
dc.description.abstractA comparative study was applied to investigate the potential of Callistemon citrinus (bottlebrush) flower extract (BBE) and Punica granatum (pomegranate) peel extracts (PPE) for the sustainable synthesis of the silver nanoparticles, Ag-BBE and Ag-PPE, respectively. The synthesis process of Ag NPs using the selected extracts was applied under optimized conditions. Hence, the effect of the selected plant’s type on the different characteristics of the synthesized green Ag NPs was investigated. The UV-Vis spectroscopy revealed the presence of the characteristic silver peaks at 419 and 433 nm of the Ag-BBE and Ag-PPE, respectively. The XRD spectra reported the fcc phase formation of Ag NPs. The TEM results highlighted the morphological features of the synthesized Ag NPs. with a size range of 20–70 nm, and with 10–30 nm for Ag-BBE and Ag-PPE, correspondingly. The Raman spectra revealed characteristic silver bands in the Ag-PPE and reflected some bands related to the natural extract in the Ag-BBE sample. The antimicrobial activity and statistical analysis investigation were conducted against four selected oral pathogens (Staphylococcus aureus (SA), Candida albicans (CA), Staphylococcus epidermidis (S. epi), and Enterococcus faecalis (EF)). Both tested extracts, BBE, and PPE, revealed potential effectivity as reducing and capping agents for Ag NP green synthesis. However, the synthesized NPs demonstrated different features, depending on the used extract, reflecting the influence of the plant’s biomolecules on the nanoparticles’ properties.
dc.identifier.citation: Ismail, E.; Mohamed, A.; Elzwawy, A.; Maboza, E.; Dhlamini, M.S.; Adam, R.Z. Comparative Study of Callistemon citrinus (Bottlebrush) and Punica granatum (Pomegranate) Extracts for Sustainable Synthesis of Silver Nanoparticles and Their Oral Antimicrobial Efficacy. Nanomaterials 2024, 14, 974. https://doi.org/ 10.3390/nano14110974
dc.identifier.urihttps://doi.org/ 10.3390/nano14110974
dc.identifier.urihttps://hdl.handle.net/10566/16257
dc.language.isoen
dc.publisherMDPI
dc.subjectsilver NPs
dc.subjectgreen synthesis
dc.subjectPunica granatum (pomegranate) peel extract
dc.subjectCallistemon citrinus (bottlebrush) flower extract
dc.subjectantimicrobial activity
dc.titleComparative Study of Callistemon citrinus (Bottlebrush) and Punica granatum (Pomegranate) Extracts for Sustainable Synthesis of Silver Nanoparticles and Their Oral Antimicrobial Efficacy
dc.typeArticle

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