Abstract
AbstractAmong the various green synthesis methods for nanoparticle synthesis, the honey-mediated green synthesis of nanoparticles is a fast, safe, biocompatible, and cost-effective method. In the present work, we demonstrate the sunlight-induced honey-mediated synthesis of silver nanoparticles and report the effect of light intensity, its color, and exposure time on the formation of nanoparticles. The visual inspection followed by UV-Vis spectral studies was performed to confirm the formation of silver nanoparticles. The HRTEM measurement confirms the formation of polydispersed silver particles. We further report the excellent antimicrobial activity of the synthesized nanoparticles against various strains of bacteria, which is found to be comparable to that of the antibiotic drug of choice. Our study points to further research on the possibility of considering these green synthesized silver nanoparticles as an alternative to antibiotics.
Highlights
There have been rapid advances in nanotechnology in recent years
We report on the optical properties and the antimicrobial activity of the silver nanoparticles synthesized using natural honey
This is indicative of an increase in the concentration of nanoparticles formed as is evidenced in the increase in surface plasmon resonance (SPR) peak intensity of the corresponding UV-Vis spectra
Summary
The increasing environmental issues related to the nanoparticle synthesis have attracted. The green synthesis of silver nanoparticles using honey has been reported [14,19,20,21,22,23,24] where honey act as both a reducing and a stabilizing agent [14,19,22]. The sunlight-induced, honey-mediated synthesis is an easy and fast method for the synthesis of silver nanoparticles [21,25]. The anticorrosion properties of such nanoparticles have been reported [21], the antimicrobial properties of nanoparticle synthesized by our method has not been reported to our knowledge. We report on the optical properties and the antimicrobial activity of the silver nanoparticles synthesized using natural honey. The antimicrobial activity is compared with that of an antibiotic drug of choice
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