Bibliographic citations
Trujillo, W., (2013). Preparación y caracterización de nanopartículas de magnetita funcionalizados con ácido láurico, oleico y etilendiamino tetraacético para aplicaciones biomédicas y remediación ambiental. [Tesis, Universidad Nacional Mayor de San Marcos]. https://hdl.handle.net/20.500.12672/3390
Trujillo, W., Preparación y caracterización de nanopartículas de magnetita funcionalizados con ácido láurico, oleico y etilendiamino tetraacético para aplicaciones biomédicas y remediación ambiental. [Tesis]. PE: Universidad Nacional Mayor de San Marcos; 2013. https://hdl.handle.net/20.500.12672/3390
@misc{renati/489253,
title = "Preparación y caracterización de nanopartículas de magnetita funcionalizados con ácido láurico, oleico y etilendiamino tetraacético para aplicaciones biomédicas y remediación ambiental.",
author = "Trujillo Herrera, Wiliam Víctor",
publisher = "Universidad Nacional Mayor de San Marcos",
year = "2013"
}
--- This work involves the synthesis of magnetite nanoparticles functionalized with lauric acid (LA), oleic acid (OA) and ethylenediaminetetraacetic (EDTA), organic molecules which are biocompatible. The synthesis was carried out using a chemical route, co- precipitation method. This route allows the production of NPs functionalized using a basic infrastructure, low cost of production, the latter very important, especially if we consider the potential applications in the field of environmental remediation, which is a very sensitive issue in Peru. In the case of biomedical applications also chemical route is the best alternative in this case however requires a more extensive characterization and clinical trials. After synthesis of functionalized NPs these were characterized with the techniques: X -ray diffraction (XRD), transmission electron microscopy (TEM), Mössbauer spectroscopy (MS), vibrating sample magnetometry (VSM), X - ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR) and thermogravimetry analysis (TGA). Of the analysis made by the different techniques we concluded that functionalized NPs are of very good quality. All were magnetic with magnetic saturation of 60 emu=g, for the case of NPs coated with AL. The XRD and TEM measurements show that the NPs have an average size between 9 and 11 nm with spinel crystal structure with lattice parameter of 8.37 Å. XPS measures determined that iron atoms has a valence of +3 and +2, with a total ratio of iron atoms Fe3+:Fe2+ of 2:1. Of the FTIR measurements we show that AL, AO and EDTA molecules are chemically bound to the surface of the NPs . By TGA measures we calculate the number of functionalized molecules. In the case of NPs coated with AL and AO were 1974 and 1486, respectively.
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