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Synthesis of silver nanoparticles using reducing agents obtained from natural sources (Rumex hymenosepalus extracts).


ABSTRACT: We have synthesized silver nanoparticles from silver nitrate solutions using extracts of Rumex hymenosepalus, a plant widely found in a large region in North America, as reducing agent. This plant is known to be rich in antioxidant molecules which we use as reducing agents. Silver nanoparticles grow in a single-step method, at room temperature, and with no addition of external energy. The nanoparticles have been characterized by ultraviolet-visible spectroscopy and transmission electron microscopy, as a function of the ratio of silver ions to reducing agent molecules. The nanoparticle diameters are in the range of 2 to 40 nm. High-resolution transmission electron microscopy and fast Fourier transform analysis show that two kinds of crystal structures are obtained: face-centered cubic and hexagonal.

SUBMITTER: Rodriguez-Leon E 

PROVIDER: S-EPMC3716778 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Synthesis of silver nanoparticles using reducing agents obtained from natural sources (Rumex hymenosepalus extracts).

Rodríguez-León Ericka E   Iñiguez-Palomares Ramón R   Navarro Rosa Elena RE   Herrera-Urbina Ronaldo R   Tánori Judith J   Iñiguez-Palomares Claudia C   Maldonado Amir A  

Nanoscale research letters 20130710 1


We have synthesized silver nanoparticles from silver nitrate solutions using extracts of Rumex hymenosepalus, a plant widely found in a large region in North America, as reducing agent. This plant is known to be rich in antioxidant molecules which we use as reducing agents. Silver nanoparticles grow in a single-step method, at room temperature, and with no addition of external energy. The nanoparticles have been characterized by ultraviolet-visible spectroscopy and transmission electron microsco  ...[more]

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