Eco-friendly synthesis and characterization of silver nanoparticles using Vitex leucoxylon linn leaf extract and their study of its antibacterial and anti-fungal activities

Author : P. Ananthi, A. James Balgan Anand, U. Jeyapaul, S. Mary Jelastin Kala

Eco-friendly synthesis of stable Silver nanoparticles (AgNPs) was carried out using the aqueous extract of vitex leucoxylon leaves. The UV-Vis spectrum was recorded to monitor the formation of the nanoparticles, which exhibited a blue shifted absorption peak at 440 nm. FT-IR spectra were recorded for the Silver nanoparticles to identify the biomolecules involved in the synthesis process. The XRD analysis revealed well-defined peaks appearing at 2θ positions. From the full width at half maximum of XRD peaks the average size of the synthesized nanoparticles was 12 nm. Dispersity and morphology was characterized by Scanning Electron Microscope which showed the synthesized nanoparticles were Hexagen shape with the size range 10-20 nm. EDX analysis showed that the above route produced highly pure Silver nanoparticles. They were also evaluated for their antibacterial and anti-fungal activities. They do not contain any harmful chemicals.

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