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Title: Green synthesis and cytotoxicity of silver nanoparticles from extracts of the marine macroalgae Gracilaria corticata
Authors: Bhimba, B Valentin
Devi, J Saraniya
Nandhini, S Usha
Keywords: EDS;FTIR;Gracilaria corticata;MCF7 cell lines;Silver nanoparticles;TEM;XRD
Issue Date: Apr-2015
Publisher: NISCAIR-CSIR, India
Abstract: The present study reports the synthesis of silver nanoparticles (AgNPs) using aqueous extract of a seaweed, Gracilaria corticata. Extremely stable AgNPs were characterized by UV-Vis spectrophotometer, FTIR, XRD, TEM and EDS analyses. The nanoparticles exhibited maximum absorbance at 424 nm in the UV spectrum. The presence of proteins was identified by FTIR. TEM micrograph revealed the formation of polydispersed and spherical shaped nanoparticles with the size range of 10-50 nm and the presence of elemental silver were confirmed by EDS analysis. These nanoparticles showed cytotoxic activity against MCF7 cells.
Page(s): 276-281
ISSN: 0975-0967 (Online); 0972-5849 (Print)
Appears in Collections:IJBT Vol.14(2) [April 2015]

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