One-Step Method for Preparation of Magnetic Nanoparticles Coated with Chitosan

Preparation of magnetic nanoparticles coated with chitosan in one step by the coprecipitation method in the presence of different chitosan concentrations is reported here. Obtaining of magnetic superparamagnetic nanoparticles was confirmed by X-ray diffraction and magnetic measurements. Scanning tra...

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Main Authors:	Karla M. Gregorio-Jauregui, Ma. Guadalupe Pineda, Jorge E. Rivera-Salinas, Gil Hurtado, Hened Saade, José L. Martinez, Anna Ilyina, Raúl G. López
Format:	Article
Language:	English
Published:	Hindawi Limited 2012-01-01
Series:	Journal of Nanomaterials
Online Access:	http://dx.doi.org/10.1155/2012/813958

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spelling	doaj-42dcf99f38a1431b967a30f7a02b78d02020-11-24T20:53:57ZengHindawi LimitedJournal of Nanomaterials1687-41101687-41292012-01-01201210.1155/2012/813958813958One-Step Method for Preparation of Magnetic Nanoparticles Coated with ChitosanKarla M. Gregorio-Jauregui0Ma. Guadalupe Pineda1Jorge E. Rivera-Salinas2Gil Hurtado3Hened Saade4José L. Martinez5Anna Ilyina6Raúl G. López7Departamento de Biotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Coahuila, Boulevard V. Carranza y José Cárdenas Valdés, 25280 Saltillo, COAH, MexicoDepartamento de Biotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Coahuila, Boulevard V. Carranza y José Cárdenas Valdés, 25280 Saltillo, COAH, MexicoDepartamento de Biotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Coahuila, Boulevard V. Carranza y José Cárdenas Valdés, 25280 Saltillo, COAH, MexicoDepartamento de Procesos de Polimerización, Centro de Investigación en Química Aplicada, Boulevard Enrique Reyna No. 140, 25294 Saltillo, COAH, MexicoDepartamento de Procesos de Polimerización, Centro de Investigación en Química Aplicada, Boulevard Enrique Reyna No. 140, 25294 Saltillo, COAH, MexicoDepartamento de Biotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Coahuila, Boulevard V. Carranza y José Cárdenas Valdés, 25280 Saltillo, COAH, MexicoDepartamento de Biotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Coahuila, Boulevard V. Carranza y José Cárdenas Valdés, 25280 Saltillo, COAH, MexicoDepartamento de Procesos de Polimerización, Centro de Investigación en Química Aplicada, Boulevard Enrique Reyna No. 140, 25294 Saltillo, COAH, MexicoPreparation of magnetic nanoparticles coated with chitosan in one step by the coprecipitation method in the presence of different chitosan concentrations is reported here. Obtaining of magnetic superparamagnetic nanoparticles was confirmed by X-ray diffraction and magnetic measurements. Scanning transmission electron microscopy allowed to identify spheroidal nanoparticles with around 10-11 nm in average diameter. Characterization of the products by Fourier transform infrared spectroscopy demonstrated that composite chitosan-magnetic nanoparticles were obtained. Chitosan content in obtained nanocomposites was estimated by thermogravimetric analysis. The nanocomposites were tested in Pb2+ removal from a PbCl2 aqueous solution, showing a removal efficacy up to 53.6%. This work provides a simple method for chitosan-coated nanoparticles obtaining, which could be useful for heavy metal ions removal from water.http://dx.doi.org/10.1155/2012/813958
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Karla M. Gregorio-Jauregui Ma. Guadalupe Pineda Jorge E. Rivera-Salinas Gil Hurtado Hened Saade José L. Martinez Anna Ilyina Raúl G. López
spellingShingle	Karla M. Gregorio-Jauregui Ma. Guadalupe Pineda Jorge E. Rivera-Salinas Gil Hurtado Hened Saade José L. Martinez Anna Ilyina Raúl G. López One-Step Method for Preparation of Magnetic Nanoparticles Coated with Chitosan Journal of Nanomaterials
author_facet	Karla M. Gregorio-Jauregui Ma. Guadalupe Pineda Jorge E. Rivera-Salinas Gil Hurtado Hened Saade José L. Martinez Anna Ilyina Raúl G. López
author_sort	Karla M. Gregorio-Jauregui
title	One-Step Method for Preparation of Magnetic Nanoparticles Coated with Chitosan
title_short	One-Step Method for Preparation of Magnetic Nanoparticles Coated with Chitosan
title_full	One-Step Method for Preparation of Magnetic Nanoparticles Coated with Chitosan
title_fullStr	One-Step Method for Preparation of Magnetic Nanoparticles Coated with Chitosan
title_full_unstemmed	One-Step Method for Preparation of Magnetic Nanoparticles Coated with Chitosan
title_sort	one-step method for preparation of magnetic nanoparticles coated with chitosan
publisher	Hindawi Limited
series	Journal of Nanomaterials
issn	1687-4110 1687-4129
publishDate	2012-01-01
description	Preparation of magnetic nanoparticles coated with chitosan in one step by the coprecipitation method in the presence of different chitosan concentrations is reported here. Obtaining of magnetic superparamagnetic nanoparticles was confirmed by X-ray diffraction and magnetic measurements. Scanning transmission electron microscopy allowed to identify spheroidal nanoparticles with around 10-11 nm in average diameter. Characterization of the products by Fourier transform infrared spectroscopy demonstrated that composite chitosan-magnetic nanoparticles were obtained. Chitosan content in obtained nanocomposites was estimated by thermogravimetric analysis. The nanocomposites were tested in Pb2+ removal from a PbCl2 aqueous solution, showing a removal efficacy up to 53.6%. This work provides a simple method for chitosan-coated nanoparticles obtaining, which could be useful for heavy metal ions removal from water.
url	http://dx.doi.org/10.1155/2012/813958
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One-Step Method for Preparation of Magnetic Nanoparticles Coated with Chitosan

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