Intensified biosynthesis of silver nanoparticles using a native extremophilic Ureibacillus thermosphaericus strain
作者： M. Motamedi Juibari , S. Abbasalizadeh , Gh. Salehi Jouzani , M. Noruzi
DOI: 10.1016/J.MATLET.2010.12.056
关键词:
摘要: Abstract The microflora of Ramsar geothermal hot springs located in Mazandaran province, Iran was screened for native thermophilic bacteria that are capable biosynthesis silver nanoparticles. One isolate identified as “ Ureibacillus thermosphaericus ” showed high potential nanoparticle with extracellular mechanism and selected the optimization. Biosynthesis reactions were conducted using culture supernatant at different temperatures (60–80 °C) ion concentrations (0.001–0.1 M). results obtained pure spherical nanoparticles range 10–100 nm produced, maximum production achieved 0.01 M Ag-NO 3 80 °C. In conclusion, findings this study confirmed great biocatalyzing extremophilic U. intensified elevated concentrations.
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