Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Alcemira C. Oliveira"'
Autor:
Davi C. Carvalho, Odair Pastor Ferreira, Alcemira C. Oliveira, Josué Mendes Filho, Alcineia C. Oliveira, Samuel Tehuacanero-Cuapa
Publikováno v:
Chemical Engineering Journal. 313:1454-1467
A series of titanate nanotubes (TNTs) have been prepared by a simple hydrothermal procedure (e.g., sodic and protonic TNTs). Investigations on the influence of the material type as well as the synthesis time conditions were examined. The as-synthesiz
Autor:
Paulo Freire, Josué Mendes Filho, Antonio N. da Silva, Alcineia C. Oliveira, Jose Alves L. Junior, Alcemira C. Oliveira
Publikováno v:
Journal of Physics and Chemistry of Solids. 102:90-98
The laser power effects on the structural properties of nanostructured oxides were studied by Raman spectroscopy. The nanostructured CeO 2 , ZrO 2 , SnO 2 , TiO 2 and MnO x oxides were prepared by a nanocasting route and characterized through various
Autor:
Enrique Rodríguez-Castellón, Marcia G.A. Cruz, Adriana Campos, E. Padrón-Hernández, Alcemira C. Oliveira, Josué Mendes Filho, Alcineia C. Oliveira, Fabiano A.N. Fernandes
Publikováno v:
Catalysis Today. 282:174-184
The porous Fe-based catalysts supported on polystyrene mesoporous carbon were studied in the Fischer-Tropsch Synthesis. The solids were pretreated at different calcination temperatures and their characterizations were examined by X-ray diffraction (X
Autor:
Norma Amadeo, Josué Mendes Filho, Francisco F. de Sousa, Antonio S. B. Neto, María Laura Dieuzeide, Alcineia C. Oliveira, Alcemira C. Oliveira
Publikováno v:
Advanced Powder Technology. 28:131-138
Three different preparation methods were applied to prepare nickel aluminates (i.e. nanocasting (NiAlN), coprecipitation (NiAlC) and wet impregnation (NiAlW) methods). All catalysts exhibited the NiAl2O4 phase besides that of NiO and γ-Al2O3. The Ni
Publikováno v:
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences. 114
Raloxifene hydrochloride is a benzothiophene derivative mainly used in the prevention and treatment of osteoporosis, but exhibits a low bioavailability hindered by its poor water solubility. In this study, a mechanochemical approach based on neat and
Autor:
Édwin R.C. Milet, Alcineia C. Oliveira, Adriana Campos, Josué Mendes Filho, Alcemira C. Oliveira, Helvio S. A. Souza, Francisco F. de Sousa, E. Padrón-Hernández, Davi C. Carvalho
Publikováno v:
Applied Catalysis A: General. 473:132-145
Mesoporous mixed oxides supports were impregnated with solutions of Pt or Ru compounds. The catalytic performance and stability were evaluated in dry reforming of methane. The catalysts were characterized by X-ray diffraction (XRD), nitrogen adsorpti
Autor:
Sara B. Honorato, Alcemira C. Oliveira, Nubia Boechat, Jorge S. Mendonça, Josué Mendes Filho, Javier Ellena, Alejandro Ayala
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Benznidazole (N-benzyl-2-(2-nitro-1H-imidazol-1-yl)acetamide), is a nitro-heterocyclic drug used in the treatment of Chagas disease. Despite the fact that this drug was released more than 30 years ago, little information about its solid state propert
Publikováno v:
Journal of Molecular Structure. 1058:31-40
In this communication, the geometry optimization, molecular electrostatic potential surface, wavenumber and intensity of the vibrational bands of all the possible modes of dihydrated ondansetron hydrochloride have been calculated using ab initio Hart
Autor:
Josué Mendes Filho, Manoel C. Junior, Francisco de Assis A. Barros, Alcineia C. Oliveira, Alcemira C. Oliveira, Helvio S.A. de Sousa, Bartolomeu C. Viana
Publikováno v:
Catalysis Today. 212:127-136
The catalytic properties of the nanocomposites were evaluated at various temperatures during the gas-phase dehydration of glycerol, an environmental friendly reaction. A pressure of 1 atm and a glycerol/water molar ratio of 0.25 were applied. Nanocom
Autor:
Alcineia C. Oliveira, Natanael A. Barros, Marcus Giotto, Helvio S. A. Souza, G.S. Pinheiro, Francisco F. de Sousa, Josué Mendes Filho, Alcemira C. Oliveira
Publikováno v:
Chemical Engineering Journal. 228:442-448
Metal oxides nanoparticles dispersed on SBA-15 were synthesized by functionalization of metalloporphyrins onto modified SBA-15, for confining the growth of Ru, Cu, Zn or Co oxides nanocrystals. The composites were evaluated in the dehydration of glyc