Search Results - "Pais da Silva, Maria Isabel"

Influence of the Preparation Method on Hybrid Catalysts CuO–ZnO–Al2O3 and H-Ferrierite for Syngas Transformation to Hydrocarbons via Methanol by Flores, Jhonny Huertas, da Silva, Maria Isabel Pais

“…Hybrid catalysts using CuO–ZnO–Al 2 O 3 as a catalyst for the synthesis of methanol and an H-ferrierite zeolite as the dehydration component were prepared…”
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Aptamer-based nanoparticles for cancer targeting by Sá, Lucas Torres Miranda, Simmons, Suzanne, Missailidis, Sotiris, Silva, Maria Isabel Pais da, Santos-Oliveira, Ralph

“…Abstract Background: The use of mesoporous silica for cancer targeting is increasing rapidly. The association between rigid model of nanoparticles such as…”
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Synthesis and evaluation of the potential of nonionic surfactants/mesoporous silica systems as nanocarriers for surfactant controlled release in enhanced oil recovery by de Freitas, Flávio A., Keils, David, Lachter, Elizabeth R., Maia, Cinthia E.B., Pais da Silva, Maria Isabel, Veiga Nascimento, Regina Sandra

“…[Display omitted] •Adsorption of fatty amides on SBA-15 are good system for oil recovery.•Adsorption of coconut diethanolamide on SBA-15 fit with Langmuir…”
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Ti dispersion on SBA-15 porous host to enhance photocatalytic hydrogen production by Sanches, Sabrina Guimarães, Flores, Jhonny Huertas, da Silva, Maria Isabel Pais

“…Ti-SBA-15-based photocatalysts were synthesized using two titanium sources (Ti tetra-isopropoxide and TiO2P25) and two Si/Ti molar ratios and were compared to…”
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Synthesis of cobalt–iron bimetallic nanocrystals supported on mesoporous silica using different templates by Bragança, L.F.F.P.G., Avilez, Roberto R., Silva, Maria Isabel Pais da

“…CoFe bimetallic samples containing 25 wt% total of metal content were prepared by incipient wetness impregnation of cobalt nitrate and iron nitrate salts over…”
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Resistance to poisoning by nitrogen compounds of NiMo/Al-MCM-41 hydrocracking catalysts by Barbosa, Francisco Assis, Santos, Ana Carlota Belizario dos, Silva, Maria Isabel Pais da, Stumbo, Alexandre Moura

“…A series of MCM-41 of different compositions (silica/alumina ratios of 32, 49, 66 and infinite) was prepared and characterized by several techniques: XRD, N 2…”
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Esterification of lauric acid with butanol over mesoporous materials by Barros, Suellen D.T., Coelho, Aline V., Lachter, Elizabeth R., San Gil, Rosane A.S., Dahmouche, Karim, Pais da Silva, Maria Isabel, Souza, Andrea L.F.

“…Mesoporous silica (e.g. SBA-15) was evaluated in the esterification of lauric acid with butanol. ZnO/SBA-15 and MgO/SBA-15 were synthesized and characterized…”
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Effect of ethanol on the biodegradation of gasoline in an unsaturated tropical soil by Österreicher-Cunha, Patricia, Vargas, Eurípedes do Amaral, Guimarães, Jean Rémy Davée, Lago, Gabriel Paiva, Antunes, Franklin dos Santos, da Silva, Maria Isabel Pais

“…Leaking underground storage tanks are a worldwide problem nowadays, therefore gasoline degradation and distribution in the subsurface have been widely studied…”
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Study of biodegradation processes of BTEX-ethanol mixture in tropical soil by ÖSTERREICHER-CUNHA, Patricia, DAVEE GUIMARAES, Jean Rémy, DO AMARAL VARGAS, Euripedes, PAIS DA SILVA, Maria Isabel

“…In Brazil, gasoline is currently blended with ethanol and both compounds may contaminate the environment when spills occur. Ethanol preferential biodegradation…”
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Evaluation of bioventing on a gasoline–ethanol contaminated undisturbed residual soil by Österreicher-Cunha, Patricia, Vargas, Eurı́pedes do Amaral, Guimarães, Jean Rémy Davée, de Campos, Tácio Mauro Pereira, Nunes, Cassiane Maria Ferreira, Costa, Ariovaldo, Antunes, Franklin dos Santos, da Silva, Maria Isabel Pais, Mano, Denise Maria

“…Remediation methods for environmental contamination problems based on physical or chemical processes frequently present low efficiency and/or high costs. On…”
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Influence of Ti source on the Ti-HMS photocatalyst synthesis used in a water splitting reaction by Sanches, Sabrina Guimarães, Flores, Jhonny Huertas, Pais da Silva, Maria Isabel

“…[Display omitted] •Ti was introduced into the framework of HMS mesoporous silica.•The organic source with best performance was the Ti isopropoxide.•Hydrogen…”
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Acid properties of the hybrid catalyst CuO–ZnO or CuO–ZnO–Al2O3/H-ferrierite: An infrared study by Flores, Jhonny Huertas, Pais da Silva, Maria Isabel

“…The acid properties of hybrid catalysts based on CuO–ZnO or CuO–ZnO–Al2O3 supported on the H-ferrierite zeolite were studied by NH3-TPD and FTIR using two…”
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Development of nanoaptamers using a mesoporous silica model labeled with (99m)tc for cancer targeting by Sá, Lucas Torres Miranda, Pessoa, Claudia, Meira, Assuero Silva, da Silva, Maria Isabel Pais, Missailidis, Sotiris, Santos-Oliveira, Ralph

“…The use of mesoporous silica in targeted cancer therapy is increasing daily. The combination of a rigid model of nanoparticles like mesoporous silica and…”
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FE(III) COMO ACEPTOR DE ELÉTRONS NA BIODEGRADAÇÃO DE GASOLINA-ETANOL EM SOLO RESIDUAL TROPICAL by Amanda Fabiana Baião Fernando, Patricia Österreicher-Cunha, Eurípedes do Amaral Vargas Jr, Maria Isabel Pais da Silva

“…Hidrocarbonetos monoaromáticos da gasolina (BTEX) têm sido encontrados em aquíferos devido a vazamentos de tanques de armazenamento e sua consequente diluição…”
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