Journal
ANTIBIOTICS-BASEL
Volume 11, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/antibiotics11070834
Keywords
biosynthesis; silver nanoparticles; Syzygium aromaticum; oral microorganisms
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In this study, silver nanoparticles (AgNPs) were synthesized using clove extract through a green synthesis method, and their antimicrobial effect on oral microorganisms was evaluated. The results showed that AgNPs effectively inhibited the growth of various microorganisms commonly found in the oral cavity.
Syzygium aromaticum (clove) has been used as a dental analgesic, an anesthetic, and a bioreducing and capping agent in the formation of metallic nanoparticles. The main objective of this study was to evaluate the antimicrobial effect in oral microorganisms of biogenic silver nanoparticles (AgNPs) formed with aqueous extract of clove through an ecofriendly method green synthesis. The obtained AgNPs were characterized by UV-Vis (ultraviolet-visible spectroscopy), SEM-EDS (scanning electron microscopy-energy dispersive X-ray spectroscopy), TEM (transmission electron microscopy), and zeta potential, while its antimicrobial effect was corroborated against oral Gram-positive and Gram-negative microorganisms, as well as yeast that is commonly present in the oral cavity. The AgNPs showed absorption at 400-500 nm in the UV-Vis spectrum, had an average size of 4-16 nm as observed by the high-resolution transmission electron microscopy (HR-TEM), and were of a crystalline nature and quasi-spherical form. The antimicrobial susceptibility test showed inhibition zones of 2-4 mm in diameter. Our results suggest that AgNPs synthesized with clove can be used as effective growth inhibitors in several oral microorganisms.
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