Biosynthesis of Gold Nanoparticles by Streptomyces sp. ERI-3 Supernatant and Process Optimization for Enhanced Production |
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| Authors: | N Faghri Zonooz M Salouti R Shapouri J Nasseryan |
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| Institution: | 1. Department of Microbiology, Faculty of Sciences, Zanjan Branch, Islamic Azad University, Zanjan, Iran
2. Biological Research Center, Zanjan Branch, Islamic Azad University, Moallem St, 4515658145, Etemadieh, Zanjan, Iran
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| Abstract: | In this study, we present a simple and eco-friendly method for extracellular biosynthesis of gold nanoparticles by Streptomyces sp. ERI-3 cell-free supernatant. The research was also aimed to evaluate the effects of different reaction parameters including incubation temperature, reaction time, HAuCl4 concentration and pH on gold nanoparticles production. The UV?CVis spectroscopy was used to monitor the formation of gold nanoparticles. The synthesized gold nanoparticles were characterized with XRD, TEM, and SEM. The average particle size ranged from 10 to 30?nm with spherical shape at optimum conditions. |
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