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Biosynthesis of Novel Ag-Cu Bimetallic Nanoparticles from Leaf Extract of Salvia officinalis and Their Antibacterial Activity

Malik, Maqsood Ahmad, Albeladi, Shroog ShdiedRoyji, Al-Maaqar, Saleh Mohammed, Alshehri, Abdulmohsen Ali, Al-Thabaiti, Shaeel Ahmed, Khan, Imran, Kamli, Majid Rasool·2023·Life
DOI 10.3390/life13030653
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Abstract

Bimetallic nanoparticles exhibit bifunctional or synergistic effects prevailing between two metals with the capabilities of enhanced electronic, catalytic, and optical properties. Green synthetic routes have gained tremendous interest because of the noninvolvement of toxic and harmful chemical reagents in preparation. Therefore, we develop bimetallic Ag-Cu nanoparticles (Ag-Cu NPs) through an eco-friendly and biocompatible preparation method. In this study, Ag-Cu NPs have been synthesized from leaf extracts of the commonly known sage, S. officinalis. The extract has a rich phytochemical composition, including bioreducing polyphenols, flavonoids, and capping/stabilizing agents. An array of well-known spectroscopic and microscopic techniques were used to characterize the as-prepared Ag-Cu bimetallic nanoparticles, including X-ray diffraction (XRD), ultraviolet-visible spectroscopy, Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy, transmission electron microscopy, and energy-dispersive X-ray spectroscopy. The size of the Ag-Cu NPs was found to be 50 nm with a spherical shape and an almost uniform distribution. The antibacterial effect was further evaluated using agar well diffusion and disc diffusion assays. Ag-Cu NPs exhibit antibacterial and antibiofilm properties against Gram-positive and Gram-negative bacteria strains. The minimum inhibitory concentration (MIC) of Ag-Cu NPs was between 5 g/mL and 15 g/mL. The Ag-Cu NPs inhibit biofilm formation at 25 g/mL and 50 g/mL. The results of biogenic Ag-Cu NPs provide novel antibacterial activity against Gram-positive and Gram-negative bacteria, as well as antibiofilm activity. Hence, Ag-Cu NPs might serve as a novel antibacterial agent with potential antibacterial and antibiofilm properties.

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Metadata

Authors
Malik, M. A., Albeladi, S. S., Al-Maaqar, S. M., Alshehri, A. A., Al-Thabaiti, S. A., Khan, I., & Kamli, M. R.
Venue
Life
Publisher
MDPI AG
Published
2023-02-27
Volume
13
Issue
3
Pages
653
ISSN
2075-1729
DOI
10.3390/life13030653
Cited by
66
References
3
Language
en
Licence
creativecommons.org/licenses/by/4.0/ (vor)
Funders
The Deanship of Scientific Research (DSR) of King Abdulaziz University, Jeddah, (KEP- 46-130-40)

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CoChat. (2026). Citation check: Biosynthesis of Novel Ag-Cu Bimetallic Nanoparticles from Leaf Extract of Salvia officinalis and Their Antibacterial Activity. https://app.cochat.ai/papers/10.3390/life13030653
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Malik, M. A., Albeladi, S. S., Al-Maaqar, S. M., Alshehri, A. A., Al-Thabaiti, S. A., Khan, I., & Kamli, M. R. (2023). Biosynthesis of Novel Ag-Cu Bimetallic Nanoparticles from Leaf Extract of Salvia officinalis and Their Antibacterial Activity. Life. https://doi.org/10.3390/life13030653

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