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Green synthesis and characterization of gelatin-based and sugar-reduced silver nanoparticles

Authors Majid Darroudi, Mansor Bin Ahmad, Abdul Halim Abdullah, et al

Published 17 March 2011 Volume 2011:6 Pages 569—574

DOI https://doi.org/10.2147/IJN.S16867

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Peer reviewer comments 3

Majid Darroudi1,2, Mansor Bin Ahmad3, Abdul Halim Abdullah1,3, Nor Azowa Ibrahim3
1Advanced Materials and Nanotechnology Laboratory, Institute of Advanced Technology (ITMA), Universiti Putra Malaysia, Selangor, Malaysia; 2Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran; 3Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Selangor, Malaysia

Abstract: Silver nanoparticles (Ag-NPs) have been successfully prepared with simple and “green” synthesis method by reducing Ag+ ions in aqueous gelatin media with and in the absence of glucose as a reducing agent. In this study, gelatin was used for the first time as a reducing and stabilizing agent. The effect of temperature on particle size of Ag-NPs was also studied. It was found that with increasing temperature the size of nanoparticles is decreased. It was found that the particle size of Ag-NPs obtained in gelatin solutions is smaller than in gelatin–glucose solutions, which can be related to the rate of reduction reaction. X-ray diffraction, ultraviolet-visible spectra, transmission electron microscopy, and atomic force microscopy revealed the formation of monodispersed Ag-NPs with a narrow particle size distribution.

Keywords: silver nanoparticles, green method, gelatin, glucose, UV-vis spectra

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