Search Results - "Méndez, Franklin J"

Preparation of functionalized porous nano-γ-Al2O3 powders employing colophony extract by Sifontes, Ángela B., Gutierrez, Brenda, Mónaco, Andrea, Yanez, Andreina, Díaz, Yraida, Méndez, Franklin J., Llovera, Ligia, Cañizales, Edgar, Brito, Joaquín L.

“…This study reports the synthesis of porous nano alumina employing carboxylato-alumoxanes [Al(O) x (OH) y (O 2 CR) z ] n as precursors for controlling the pore…”
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A novel approach for low-temperature synthesis of nanostructured rutile-like Ti 1- x Fe x O 2 solid solutions by Méndez, Franklin J, Herrera-González, Alejandro, Morales, Antonio, Bokhimi, Xim

“…We present a straightforward method for synthesizing rutile-like Ti Fe O solid solutions at 90 °C, with = 0.02, 0.04, 0.06, and 0.08. Additionally, for…”
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Dibenzothiophene hydrodesulfurization with NiMo and CoMo catalysts supported on niobium-modified MCM-41 by Méndez, Franklin J., Franco-López, Oscar E., Bokhimi, Xim, Solís-Casados, Dora A., Escobar-Alarcón, Luis, Klimova, Tatiana E.

“…[Display omitted] •MCM-41 materials modified with Nb were used as supports for CoMo and NiMo catalysts.•Effect of Nb on characteristics and activity of the…”
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A new insight into Au/TiO2-catalyzed hydrogen production from water-methanol mixture using lamps containing simultaneous ultraviolet and visible radiation by Méndez, Franklin J., González-Millán, Andrés, García-Macedo, Jorge A.

“…Different amounts of Au NPs were deposited on a modified-TiO2 using the deposition-precipitation method with urea and used for hydrogen production via water…”
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On the role of niobium in nanostructured Mo/Nb-MCM-41 and NiMo/Nb-MCM-41 catalysts for hydrodesulfurization of dibenzothiophene by Méndez, Franklin J., Franco-López, Oscar E., Díaz, Gabriela, Gómez-Cortés, Antonio, Bokhimi, Xim, Klimova, Tatiana E.

“…[Display omitted] •Mo and NiMo catalysts supported on (Nb)-MCM-41 were prepared and characterized.•Nb-incorporation improves catalytic activity of…”
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Pollutant reduction and catalytic upgrading of a Venezuelan extra-heavy crude oil with Al2O3-supported NiW catalysts: Effect of carburization, nitridation and sulfurization by Villasana, Yanet, Méndez, Franklin J., Luis-Luis, Miguel, Brito, Joaquín L.

“…•Catalysts with (Ni/(Ni + W) = 0.50 had the highest activity in thiophene HDS.•NiW carbide and nitride has potential for pollutant reduction in an extra-heavy…”
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Dibenzothiophene Hydrodesulfurization Performance Over Hierarchically Porous NiMoS(Si,Zr)/Al2O3 Catalysts by Puello-Polo, Esneyder, Checca-Huaman, Noemi-Raquel, Toloza, Carlos A. T., Santolalla-Vargas, Carlos E., Díaz, Yraida, Fals, Jayson, Mendoza, Cesar D., Stand, Neileth, Márquez, Edgar, Albis Arrieta, Alberto R., Garcia-Macedo, Jorge A., Méndez, Franklin J.

“…The effects of the synthesis method, dopant nature, and porosity on the dibenzothiophene hydrodesulfurization performance of hierarchically porous…”
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Doble synergetic anticancer activity through a combined chemo-photodynamic therapy and bioimaging of a novel Cas-ZnONPs all-in-one system by Flores-Cruz, Ricardo David, Espinoza-Guillén, Adrián, Reséndiz-Acevedo, Karen, Mendoza-Rodríguez, Valentín, López-Casillas, Fernando, Jiménez-Sánchez, Arturo, Méndez, Franklin J., Ruiz-Azuara, Lena

“…A strategy for cancer treatment was implemented, based on chemo-photodynamic therapy, utilizing a novel formulation, low-cost system called Cas-ZnONPs. This…”
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A novel approach for low-temperature synthesis of nanostructured rutile-like Ti1−xFexO2 solid solutions by Méndez, Franklin J, Herrera-González, Alejandro, Morales, Antonio, Bokhimi, Xim

“…We present a straightforward method for synthesizing rutile-like Ti1−xFexO2 solid solutions at 90 °C, with x = 0.02, 0.04, 0.06, and 0.08. Additionally, for…”
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Adsorption properties of novel layered titanium phosphate prepared from mesoporous titania by sol–gel processing by Carvajal, María E., Brito, Joaquín L., Bastardo-González, Ernesto, Méndez, Franklin J.

“…A mesoporous titania material with a single X-ray diffraction signal at small-angle and anatase TiO 2 walls was prepared by a sol–gel method using…”
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Mesoporous catalysts based on Keggin-type heteropolyacids supported on MCM-41 and their application in thiophene hydrodesulfurization by Méndez, Franklin J., Llanos, Aura, Echeverría, Marcel, Jáuregui, Reynaldo, Villasana, Yanet, Díaz, Yraida, Liendo-Polanco, Gustavo, Ramos-García, Miguel A., Zoltan, Tamara, Brito, Joaquín L.

“…[Display omitted] ► Supporting the heteropolyacids increased the catalytic activities. ► Surface acidity and calcination temperature related to HDS activity…”
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Selective hydrogenation of 1,3-butadiene in the presence of 1-butene under liquid phase conditions using structured catalysts by Méndez, Franklin J., Sanz, Oihane, Montes, Mario, Guerra, Julia, Olivera-Fuentes, Claudio, Curbelo, Susana, Brito, Joaquín L.

“…[Display omitted] •1,3-butadiene hydrogenation performance on structured substrate have been studied.•Foams present better performance than monoliths due to…”
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A comprehensive study of product distributions and coke deposition during catalytic cracking of vacuum gas oil over hierarchical zeolites by Fals, Jayson, Toloza, Carlos A.T., Puello-Polo, Esneyder, Márquez, Edgar, Méndez, Franklin J.

“…In this study, zeolites (Z) were used as catalysts in the cracking of a Colombian vacuum gas oil (VGO), with a focus on product distribution and coke…”
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Titanium-modified MCM-41 molecular sieves as efficient supports to increase the hydrogenation abilities of NiMoS and CoMoS catalysts by Méndez, Franklin J., Vargas, Roylena, Blanco, Joel, Rojas-Challa, Yahsé, Bastardo-González, Ernesto, García-Macedo, Jorge A., Puello-Polo, Esneyder, Brito, Joaquín L.

“…[Display omitted] •Ti modified samples induced better-dispersed catalysts.•HDS rates improved with Ti incorporation compared with the analog Ti free…”
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ZnO nanoparticles-modified polycaprolactone-gelatin membranes for guided/bone tissue regeneration, antibacterial and osteogenic differentiation properties by Prado-Prone, Gina, Silva-Bermudez, Phaedra, Rodil, Sandra E, Ganjkhani, Yasaman, Moradi, Ali-Reza, Méndez, Franklin J, García-Macedo, Jorge A, Bazzar, Masoomeh, Almaguer-Flores, Argelia

“…Periodontitis is a highly prevalent infectious disease that causes the progressive destruction of the periodontal supporting tissues. If left untreated, it can…”
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Photocatalytic Evaluation of TiOx Films Produced by Cathodic Arc-PVD with Silver Addition by UVC Photo-Reduction Method by Raya-Tapia, Alma Yunuen, Ung-Medina, Francisco, Mondragón-Rodríguez, Guillermo César, Rivera-Muñoz, Eric Mauricio, Apolinar-Cortés, José, Méndez, Franklin J., Huirache-Acuña, Rafael

“…A titanium (Ti) commercial cathode material and high purity Ar and O2 were used in the cathodic arc physical vapor deposition (arc-PVD) process. The TiOx…”
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Synthesis and characterization of alumina-coated aluminum sponges manufactured by sintering and dissolution process as possible structured reactors by Méndez, Franklin J., Rivero-Prince, Sayidh, Escalante, Yelisbeth, Villasana, Yanet, Brito, Joaquín L.

“…Al2O3–Al sponges were manufactured by sintering and dissolution process with the aim of using these materials as structured catalytic reactors. For this…”
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Atomic ratio effect on catalytic performance of FeW-based carbides and nitrides on thiophene hydrodesulfurization by Villasana, Yanet, Ruscio-Vanalesti, Franca, Pfaff, Carolina, Méndez, Franklin J., Luis-Luis, Miguel Ángel, Brito, Joaquín L.

“…[Display omitted] ► New catalysts for HDS of thiophene based on FeW carbides and nitrides. ► Alumina-supported FeW carbides and nitrides are synthesized by TPR…”
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Novel MoO2/carbon hierarchical nano/microcomposites: synthesis, characterization, solid state transformations and thiophene HDS activity by Avendaño, Carlos, Briceño, Alexander, Méndez, Franklin J, Brito, Joaquín L, González, Gema, Cañizales, Edgar, Atencio, Reinaldo, Dieudonné, Philippe

“…Novel MoO(2)/C nano/microcomposites were prepared via a bottom-up approach by hydrothermal carbonization of a solution of glucose as a carbon precursor in the…”
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Metallic monoliths of AISI 304 stainless steel, aluminum, FeCrAlloy® and brass, coated by Mo and W oxides for thiophene hydrodesulfurization by Diaz, Yraida, Sevilla, Adriana, Mónaco, Andrea, Méndez, Franklin J., Rosales, Pedro, García, Luis, Brito, Joaquín L.

“…Metal sheets of AISI 304 stainless steel, aluminum, FeCrAlloy® and brass were employed in the manufacture of metallic monoliths to provide a support for…”
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