Abstract
A versatile green and nontoxic begin method for bio-reduction of silver nanoparticles (AgNPs) using latex extract of Ipomea carnea was reported. Different instrumental tools were applied to evaluate the formation of AgNPs, as an example UV–Visible spectroscopy (UV–Vis), Fourier transform infra-red (FT-IR), X-ray diffraction (XRD), scanning electron microscopy (SEM) and high resolution transmission electron microscopy (HR-TEM). The absorption peak of AgNPs obtained at around 413 nm. FTIR study confirmed that the bio-capping components present in latex extract served as reducing and stabilizing agent. The findings of XRD, SEM and HR-TEM images revealed that the formation of crystalline and spherical shape nanoparticles and showed well size distribution with mean size 9.8±0.27 nm. Additionally, the green fabricated AgNPs exhibited considerable zone of inhibition for both Gram-positive and Gram–negative bacteria. The outcome implies that the synthesized AgNPs also showed similar inhibition effect as streptomycin (a common reference antibiotic).
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