Abstract
Green synthesis of silver nanoparticles (AgNPs) was successfully developed by using Ephedra intermedia stem extract. The effect of silver precursor concentration, amount of stem extract, and reaction temperature on the bioreduction reaction was evaluated. Natural carbohydrates present in Ephedra intermedia were found to act as an effective reducing and capping agent during AgNPs biosynthesis. AgNPs were characterized by UV-vis spectroscopy, TEM, XRD, FTIR and DLS analysis. The particles were crystalline and spherical in shape having diameters between 10 and 36 nm, the mean diameter being 24 nm. Zeta potential of the prepared nanoparticles was measured to be -30 mV which is an acceptable charge for colloid particles.
Keywords: Ag nanoparticles, aqueous extract, bioreduction, biosynthesis, plant.
Nanoscience & Nanotechnology-Asia
Title:Green Synthesis of Silver Nanoparticles Capped with Natural Carbohydrates Using Ephedra intermedia
Volume: 7 Issue: 1
Author(s): Alireza Ebrahiminezhad, Saeed Taghizadeh, Aydin Berenjian, Fatemeh Heidaryan Naeini and Younes Ghasemi
Affiliation:
Keywords: Ag nanoparticles, aqueous extract, bioreduction, biosynthesis, plant.
Abstract: Green synthesis of silver nanoparticles (AgNPs) was successfully developed by using Ephedra intermedia stem extract. The effect of silver precursor concentration, amount of stem extract, and reaction temperature on the bioreduction reaction was evaluated. Natural carbohydrates present in Ephedra intermedia were found to act as an effective reducing and capping agent during AgNPs biosynthesis. AgNPs were characterized by UV-vis spectroscopy, TEM, XRD, FTIR and DLS analysis. The particles were crystalline and spherical in shape having diameters between 10 and 36 nm, the mean diameter being 24 nm. Zeta potential of the prepared nanoparticles was measured to be -30 mV which is an acceptable charge for colloid particles.
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Cite this article as:
Ebrahiminezhad Alireza, Taghizadeh Saeed, Berenjian Aydin, Naeini Heidaryan Fatemeh and Ghasemi Younes, Green Synthesis of Silver Nanoparticles Capped with Natural Carbohydrates Using Ephedra intermedia, Nanoscience & Nanotechnology-Asia 2017; 7 (1) . https://dx.doi.org/10.2174/2210681206666161006165643
DOI https://dx.doi.org/10.2174/2210681206666161006165643 |
Print ISSN 2210-6812 |
Publisher Name Bentham Science Publisher |
Online ISSN 2210-6820 |
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