Documentos de Sifontes A.B. | REDI

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Mostrando 10 resultados de: 13

Filtros aplicados

Origen: "scopus"

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Publisher

Ceramics International(2)

Materials Research Bulletin(2)

Biotechnology Reports(1)

Diamond and Related Materials(1)

Journal of Materials Science(1)

Área temáticas

Ingeniería y operaciones afines(7)

Química inorgánica(4)

Química física(3)

Ingeniería química(2)

Tecnología cerámica y afines(2)

Área de conocimiento

Ciencia de materiales(11)

Nanopartícula(4)

Nanostructura(4)

Biotecnología(2)

Ingeniería química(2)

Año de Publicación

Origen

Palabras Claves

Nanoparticles(3)

Electron microscopy(2)

Polyol method(2)

Porous ceramic(2)

X-Ray diffraction(2)

Chitosan as template for the synthesis of ceria nanoparticles

Abstract: Cerium oxide (CeO2), nanoparticles were prepared using chitosan as template, cerium nitrate as a sta

Palabras claves:

Chemical synthesis, Electron microscopy, optical properties, Oxides, X-Ray diffraction

Cañizales E., Luis José Borrero González, Ochoa J., Sifontes A.B., Tovar L.M., Zoltan T.

Chitosan templated synthesis of strontium–iron–oxygen nanocrystalline system

Abstract: A mixture of ferrites phases containing strontium ortho/hexagonal ferrites was synthesized using chi

Palabras claves:

A. Precursors: organic, B. Electron microscopy, D. Ferrites, D. Perovskites

Cañizales E., Cubillán L., Del Toro R.S., Edward E. Ávila, González V., Joaquin L. Brito, Lovera G., Mónaco A., Sifontes A.B.

Biosynthesis of amorphous mesoporous aluminophosphates using yeast cells as templates

Abstract: In this study aluminophosphates have been synthesized from aluminum isopropoxide and phosphoric acid

Palabras claves:

A. Inorganic compounds, B. Chemical synthesis, C. Electron microscopy, D. Surface properties

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.

Obtaining highly crystalline barium sulphate nanoparticles via chemical precipitation and quenching in absence of polymer stabilizers

Abstract: Here we report the synthesis of barium sulphate (BaSO<inf>4</inf>) nanoparticles from Ba(OH)<inf>2</

Palabras claves:

Cañizales E., Cruz-Barrios E., Delgado B.A., Diaz Y., Edward E. Ávila, Gutiérrez G.B., Hernández P., Sifontes A.B., Toro-Mendoza J.

Microstructural study of FeMo/MgO catalysts prepared by sol-gel and co-impregnation and their relationship with the growth of carbon nanotubes

Abstract: Multiwall carbon nanotubes (MWCNTs) were synthesized using p-xylene and FeMo/MgO catalysts prepared

Palabras claves:

Catalytic processes, Chemical vapor deposition, MORPHOLOGY, Nanostructures, nanotubes

González O., Joaquin L. Brito, Luis José Borrero González, Luisa Rojas de Astudillo, Méndez F.J., Rojas-Challa Y., Sifontes A.B.

Microwave-assisted polyol synthesis of Pt/H-ZSM5 catalysts

Abstract: Three H-ZSM5 solids with Si/Al atomic ratios of 22, 71 and 96 were synthesized and characterized by

Palabras claves:

catalysts, microwaves, Polyol method, Pt/H-ZSM5, TPR

Albornoz A., Joaquin L. Brito, Llanos A., Mediavilla M., Melo L., Morales H., Moronta D., Sifontes A.B., Solano R.

Removal of lead in aqueous solutions using amorphous nanoaluminophosphates

Abstract: Amorphous aluminophosphates nanoparticles with diameter sizes from 23 to 30 nm were used for the ads

Palabras claves:

Adsorption, biosynthesis, Nanoparticles

Cañizales E., Diaz Y., Freire D., Joaquin L. Brito, Llovera L.J., Méndez F.J., Quintal M., Rondón W., Sifontes A.B.

Preparation of functionalized porous nano-γ-Al<inf>2</inf>O<inf>3</inf> powders employing colophony extract

Abstract: This study reports the synthesis of porous nano alumina employing carboxylato-alumoxanes [Al(O)x (OH

Palabras claves:

Colophony/rosin, Green Synthesis, Nanoparticles, Porous ceramic

Cañizales E., Diaz Y., Gutierrez B., Joaquin L. Brito, Llovera L.J., Méndez F.J., Mónaco A., Sifontes A.B., Yanez A.

Preparation of silver nanoparticles in the absence of polymer stabilizers

Abstract: Silver nanoparticles (AgNPs) were prepared by means of the polyol method in the absence of stabilizi

Palabras claves:

Nanoparticles, Polyol method, SILVER

Albornoz A., Joaquin L. Brito, Maza C., Mediavilla M., Melo L., Mendes J.J., Sifontes A.B., Zoltan T.

Preparation of γ -alumina foams of high surface area employing the polyurethane sponge replica method

Abstract: Single phase γ-Al2O3 ceramic foams with high surface area (~180 m2 /g) and porosity (67%) were prepa

Palabras claves:

Ceramic foams, Polyurethane sponge, Porous ceramic, Textural properties, X-Ray diffraction, γ-alumina

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.