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|Title:||Biosynthesis of silver nanoparticles using chenopodium ambrosioides||Authors:||LUIS MANUEL CARRILLO LOPEZ
HILDA ARACELI ZAVALETA MANCERA
ALFREDO RAFAEL VILCHIS NESTOR
Ramón Marcos Soto Hernández
JESUS ANGEL ARENAS ALATORRE
LIBIA IRIS TREJO TELLEZ
FERNANDO CARLOS GOMEZ MERINO
|Keywords:||Chenopodium ambrosioides;Bioreduction;Silver Nanoparticles;Research Subject Categories;info:eu-repo/classification/cti/2||Publisher:||Xuping Sun||Project:||2014;ID 951746||Description:||ARTICULO INDEXADO
Biosynthesis of silver nanoparticles (AgNPs) was achieved using extract of Chenopodium ambrosioides as a reducer and coating agent at room temperature (25∘C). Two molar solutions of AgNO3 (1 mM and 10 mM) and fie extract volumes (0.5, 1, 2, 3, and 5 mL) were used to assess quantity, shape, and size of the particles. Th UV-Vis spectra gave surface plasmon resonance at 434– 436 nm of the NPs synthesized with AgNO3 10 mM and all extract volumes tested, showing a direct relationship between extract volumes and quantity of particles formed. In contrast, the concentration of silver ions was related negatively to particle size. Th smallest (4.9 ± 3.4 nm) particles were obtained with 1 mL of extract in AgNO3 10 mM and the larger amount of particles were obtained with 2 mL and 5 mL of extract. TEM study indicated that the particles were polycrystalline and randomly oriented with a silver structure face centered cubic (fcc) and fourier transform infrared spectroscopy (FTIR) indicated that disappearance of the –OH group band aftr bioreduction evidences its role in reducing silver ions.
CCIQS; “Fideicomiso Revocable y de Administracion no. 157304´ COLPOS” and the L´ınea de Investigacion Prioritaria LPI-16´ “Innovacion Tecnol´ ogica” at the “Colegio de Postgraduados´ COLPOS”
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