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Research Article Open Access
Green synthesis and optimization of gold and silver nanoparticles from Colocasia Esculenta root extract with their potential pharmacological applications
The extensive application of silver and gold nanoparticles in regions such as nanomedicine, chemical sensing, and electronics has resulted in an emerging popularity for them. The use of lethal reagents and toxic solvents is involved in the current techniques of nanoparticles. The need of the hour is to develop new methods that synthesize gold and silver nanoparticles by using ecologically safe reagents and solvents. The swift and efficient green synthesis of gold and silver nanoparticles by using root extract of Colocasia Esculenta commonly known as Arvi can be reported. The technique used to observe and record the quantitative formation of sliver and gold nanoparticles is UV-Vis absorption spectroscopy. The UV-Vis absorption spectroscopy (UV/Vis), Field Emission Scanning electron microscopy (FESEM) and Transmission Electron Microscopy (TEM) techniques were used to observe the characteristics of the attained gold and silver nanoparticles .Surface Plasmon Resonance (SPR) was shown by UV/Vis spectrum for gold and silver nanoparticles at 540 and 420 nanometres respectively. The average diameter of the gold and silver nanoparticles which was prepared in the solution was 85nm and 105 nm respectively. Synthesized particles had a spherical shape. Besides being biological systems, the whole synthesis process is cost effective as well. Also, the influence of root extract and the concentration of metal ion was also studied.