期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 21, 期 -, 页码 1051-1057出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2014.05.015
关键词
Silver nanoparticles; Anionic surfactants; Transmission electron microscope; Antimicrobial activity; Dynamic light scattering (DLS)
Here in, the new gemini anionic surfactants with different alkyl chain length were synthesized (C8A, C12A, C16A and C18A). The chemical structure of the synthesized surfactants was confirmed using infrared spectroscopy (IR) and proton nuclear magnetic resonance spectroscopy (H-1 NMR). Silver nanoparticles colloidal solution of 20-25 nm diameters was prepared using trisodium citrate as reducing agent. The nanostructure of the synthesized surfactant with silver nanoparticles with diameters ranging from 6.3 to 23.2 nm was prepared and characterized using ultra violet spectrophotometer (UV), transmission electron microscope (TEM), dynamic light scattering (DLS) and energy dispersive X-ray (EDX). The results declare formation and stabilization of silver nanoparticle using synthesized anionic surfactants. Antimicrobial activity of the synthesized anionic surfactants and their nanostructure with silver nanoparticles were evaluated-against pathogenic bacteria and fungi. The antimicrobial activity showed the enhancement in the antimicrobial activity of the synthesized gemini anionic surfactants in the nanostructures form. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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