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Alginate mediate for synthesis controllable sized AgNPs
M K Zahran1, Hanan B Ahmed1, M H El-Rafie2
1Chemistry Department, Faculty of Science, Helwan University, Ain-Helwan, Cairo 11795, Egypt.
Abstract:
A new method to prepare silver nanoparticles was reported. Alginate colloidal solution containing chemically synthesized silver nanoparticles (AgNPs) was investigated regarding the nanoparticles stabilization and possibilities for production of alginate based nanoparticles. The formation of AgNPs has been confirmed by UV-visible spectroscopy and monitoring of reducing sugars in the reaction was carried out. The morphology of synthesized silver nanoparticles was characterized by transmission electron microscopy (TEM). The results showed that the morphology of Ag nanoparticles is spherical and the main size is about 1-4 nm.
