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- Title
Facile Synthesis of Silver Nanoparticles Using Green Tea Leaf Extract and Evolution of Antibacterial Activity.
- Authors
Parvathalu, Kalakonda; Kumar, Dabbeta Naveen; Rajitha, Kathi; Kishan, Manduri Gopi; Kumar, Bathula Naveen; Bhemarajam, Jadi; Naidu, S. Ramu; Merlinsheeba, G. L.; Mandal, Pritam; Banne, Sreenivas; Dayanand, Aitipamula; Morampudi, Vijay; Murali, Banavoth; Vinodini, Sudarsanam Eve Naina; Reddy, Y. Vasudeva; Bhaskar, Podila Bala
- Abstract
The scientific society is exploiting the use of nanoparticles in nano-medicine and biomedical applications. In the field of biomaterial and bio-nanotechnology, silver nanoparticles (AgNPs) are playing an important role due to their potential physical, chemical, and biological properties ranging in activities from antibacterial, antiviral, antifungal, and anticancer treatment. Green synthesis technology is one of the most cost-effective, eco-friendly, and biologically safe methods. Green tea leaf extract can reduce silver to AgNPs and enhance antibacterial activity. In this work, we demonstrate the antibacterial activity effect employing green synthesis of AgNPs with green tea leaf extract. The UV–Vis and FTIR results showed, confirming the formation of AgNPs and the presence of chemical groups enhancing the antibacterial activity of AgNPs. The synthesized AgNPs with green tea leaf extract were crystalline with a quasi-spherical shape with a diameter from 30 to 150 nm. The antibacterial activity of the AgNPs in three different concentrations showed that the 120 mg/ml sample possesses higher antibacterial activity (significantly high killing ability) against E. coli than chemically produced AgNPs. These results confirm a more significant antibacterial effect of the biogenic AgNPs with low cytotoxicity than the AgNPs produced chemically. These findings can be used to treat chronic infections, diseases, and other biomedical applications.
- Subjects
TEA extracts; SILVER nanoparticles; GREEN tea; ANTIBACTERIAL agents; ESCHERICHIA coli; PLANT extracts; NANOPARTICLES analysis
- Publication
Plasmonics, 2023, Vol 18, Issue 5, p1837
- ISSN
1557-1955
- Publication type
Article
- DOI
10.1007/s11468-023-01899-6