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Article(13)
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Ingeniería y operaciones afines(7)
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Chitosan as template for the synthesis of ceria nanoparticles
ArticleAbstract: Cerium oxide (CeO2), nanoparticles were prepared using chitosan as template, cerium nitrate as a staPalabras claves:Chemical synthesis, Electron microscopy, optical properties, Oxides, X-Ray diffractionAutores:Cañizales E., Luis José Borrero González, Ochoa J., Sifontes A.B., Tovar L.M., Zoltan T.Fuentes:googlescopusChitosan templated synthesis of strontium–iron–oxygen nanocrystalline system
ArticleAbstract: A mixture of ferrites phases containing strontium ortho/hexagonal ferrites was synthesized using chiPalabras claves:A. Precursors: organic, B. Electron microscopy, D. Ferrites, D. PerovskitesAutores:Cañizales E., Cubillán L., Del Toro R.S., Edward E. Ávila, González V., Joaquin L. Brito, Lovera G., Mónaco A., Sifontes A.B.Fuentes:googlescopusBiosynthesis of amorphous mesoporous aluminophosphates using yeast cells as templates
ArticleAbstract: In this study aluminophosphates have been synthesized from aluminum isopropoxide and phosphoric acidPalabras claves:A. Inorganic compounds, B. Chemical synthesis, C. Electron microscopy, D. Surface propertiesAutores:Cañizales E., Gomes M.E., Joaquin L. Brito, Luis José Borrero González, Méndez F.J., Niño-Vega G., Sifontes A.B., Tovar L.M., Villalobos H.Fuentes:googlescopusObtaining highly crystalline barium sulphate nanoparticles via chemical precipitation and quenching in absence of polymer stabilizers
ArticleAbstract: Here we report the synthesis of barium sulphate (BaSO<inf>4</inf>) nanoparticles from Ba(OH)<inf>2</Palabras claves:Autores:Cañizales E., Cruz-Barrios E., Delgado B.A., Diaz Y., Edward E. Ávila, Gutiérrez G.B., Hernández P., Sifontes A.B., Toro-Mendoza J.Fuentes:googlescopusMicrostructural study of FeMo/MgO catalysts prepared by sol-gel and co-impregnation and their relationship with the growth of carbon nanotubes
ArticleAbstract: Multiwall carbon nanotubes (MWCNTs) were synthesized using p-xylene and FeMo/MgO catalysts preparedPalabras claves:Catalytic processes, Chemical vapor deposition, MORPHOLOGY, Nanostructures, nanotubesAutores:González O., Joaquin L. Brito, Luis José Borrero González, Luisa Rojas de Astudillo, Méndez F.J., Rojas-Challa Y., Sifontes A.B.Fuentes:googlescopusMicrowave-assisted polyol synthesis of Pt/H-ZSM5 catalysts
ArticleAbstract: Three H-ZSM5 solids with Si/Al atomic ratios of 22, 71 and 96 were synthesized and characterized byPalabras claves:catalysts, microwaves, Polyol method, Pt/H-ZSM5, TPRAutores:Albornoz A., Joaquin L. Brito, Llanos A., Mediavilla M., Melo L., Morales H., Moronta D., Sifontes A.B., Solano R.Fuentes:googlescopusRemoval of lead in aqueous solutions using amorphous nanoaluminophosphates
ArticleAbstract: Amorphous aluminophosphates nanoparticles with diameter sizes from 23 to 30 nm were used for the adsPalabras claves:Adsorption, biosynthesis, NanoparticlesAutores:Cañizales E., Diaz Y., Freire D., Joaquin L. Brito, Llovera L.J., Méndez F.J., Quintal M., Rondón W., Sifontes A.B.Fuentes:googlescopusPreparation of functionalized porous nano-γ-Al<inf>2</inf>O<inf>3</inf> powders employing colophony extract
ArticleAbstract: This study reports the synthesis of porous nano alumina employing carboxylato-alumoxanes [Al(O)x (OHPalabras claves:Colophony/rosin, Green Synthesis, Nanoparticles, Porous ceramicAutores:Cañizales E., Diaz Y., Gutierrez B., Joaquin L. Brito, Llovera L.J., Méndez F.J., Mónaco A., Sifontes A.B., Yanez A.Fuentes:googlescopusPreparation of silver nanoparticles in the absence of polymer stabilizers
ArticleAbstract: Silver nanoparticles (AgNPs) were prepared by means of the polyol method in the absence of stabiliziPalabras claves:Nanoparticles, Polyol method, SILVERAutores:Albornoz A., Joaquin L. Brito, Maza C., Mediavilla M., Melo L., Mendes J.J., Sifontes A.B., Zoltan T.Fuentes:googlescopusPreparation of γ -alumina foams of high surface area employing the polyurethane sponge replica method
ArticleAbstract: Single phase γ-Al2O3 ceramic foams with high surface area (~180 m2 /g) and porosity (67%) were prepaPalabras claves:Ceramic foams, Polyurethane sponge, Porous ceramic, Textural properties, X-Ray diffraction, γ-aluminaAutores:Carrión N., Fajardo F., Hernández P., Joaquin L. Brito, Luis V. García, Mediavilla M., Mejias G., Melo L., Quintero A., Sifontes A.B., Solano R., Urbina M.Fuentes:googlescopus