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Biogenic fabrication and characterization of silver nanoparticles using aqueous-ethanolic extract of lichen (Usnea longissima) and their antimicrobial activity
A benign method of biosynthesis of silver nanoparticles from aqueous-ethanolic extract of Usnea longissima is reported and their characterization by ultraviolet–visible (UV-vis), Fourier transform infrared (FTIR) spectroscopy, transmission electron microscopy (TEM) and scanning electron microscopeopy (SEM) analyses are reported.
Green synthesis, characterization, antibacterial and photocatalytic activity of black cupric oxide nanoparticles
Background Biogenic fabrication of nanoparticles from naturally occurring biomaterials involves plants, herbs, bacteria and fungi using water as neutral solvent, while chemical synthesis involves
Silver Nanoparticles - Green Synthesis and Misconception
The authors [1] have said, with great conviction that, the exact position of absorption of silver depends on the dielectric constant of the medium without any experimental evidence. However, it is