Volume 6, Issue 1 (2015)
JMBS 2015, 6(1): 10-20 |
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mohasseli T. Green synthesis and characterization of silver nanoparticles using aqueous extract of Sesamum indicum seeds. JMBS 2015; 6 (1) :10-20
URL: http://biot.modares.ac.ir/article-22-8441-en.html
URL: http://biot.modares.ac.ir/article-22-8441-en.html
Abstract: (19148 Views)
Nanotechnology involves technological research and development in spaces at the range of 1 to 100 nanometers, and in this technology, very small and atomic scale particles are created and handled. Plant extracts can be used as a green method for the synthesis of silver nanoparticles. In this study, the biosynthesis of silver nanoparticles was performed using extracts of sesame (Sesamum indicum) seeds. Silver nitrate was added to the seed extract, and then it was incubated at 30 ° C. The effects of three concentrations (1mM, 2mM and 3mM) of silver nitrate on the synthesis of silver nanoparticles were studied. The analyses of absorption spectroscopy UV-Visible, Transmission Electron Microscopy (TEM), X-ray Diffraction (XRD) and Inductively Coupled Plasma (ICP) were conducted to assess the production of nanoparticles. UV-Visible spectroscopy analysis and the peak at 420 nm indicated the occurrence of nanoparticles in the extract. TEM image determined that the nanoparticles were spherical with average size of about 14 nm. XRD analysis showed the nano-crystals synthesized by the extract, and Inductively coupled Plasma (ICP) determined the conversion percentage of silver ion into silver nanoparticle as approximately 99.61 percent.
Received: 2013/09/14 | Accepted: 2015/09/23 | Published: 2015/10/13
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