Resultados de búsqueda - ( clathrata OR (( catalasa OR catalina ) OR catalyst ))

El envejecimiento modifica la expresión de genes de respuesta antioxidante en Yarrowia lipolytica. por Miranda Roblero, Hipólito Otoniel

“…Las ERO están controlados finamente por las enzimas antioxidantes: catalasas (Cat), superóxido dismutasas (Sod) y glutatión peroxidasas (Gpx); sin embargo, cuando se rompe el equilibrio redox entre las enzimas antioxidantes y los niveles de las ERO, las ERO reaccionan con macromoléculas (hidratos de carbono, lípidos, proteínas y ácidos nucleicos) oxidándolas y ocasionando daño celular a mayor escala que converge en estrés oxidativo (EO). …”
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Zirconia doped with La Fe synthesized by sol gel, used in the trichloroethylene catalytic combustion por Rivera de la Rosa, Javier, Hernández, Araceli, Ledezma Sánchez, Juan José, Rojas, Fernando, Goller, Gülteking

“…The sol-gel method has attracted considerable attention for the preparation of metallic catalysts, since the constituents are mixed in an atomic scale and this generates a uniform distribution of active metals upon the support [4]. …”
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Synthesis, characterization, and growth simulations of Cu–Pt bimetallic nanoclusters por Khanal, Subarna, Spitale, Ana, Bhattarai, Nabraj, Bahena, Daniel, Velázquez Salazar, J. Jesús, Mejía Rosales, Sergio, M. Mariscal, Marcelo, José Yacamán, Miguel

“…The findings give insight into the formation mechanism of the nanosized Cu–Pt bimetallic catalysts.…”
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Synthesis, characterization, and growth simulations of Cu–Pt bimetallic nanoclusters por Khanal, Subarna, Spitale, Ana, Bhattarai, Nabraj, Bahena, Daniel, Velázquez Salazar, J. Jesús, Mejía Rosales, Sergio, Mariscal, Marcelo M., Yacamán, Miguel José

“…The findings give insight into the formation mechanism of the nanosized Cu–Pt bimetallic catalysts.…”
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Bacterial Exopolysaccharides as Reducing and/or Stabilizing Agents during Synthesis of Metal Nanoparticles with Biomedical Applications por Escárcega González, Carlos Enrique, Garza Cervantes, Javier Alberto, Vázquez Rodríguez, Augusto, Morones Ramírez, José Rubén

“…Recently, synthesis and stabilization of metal nanoparticles have been of interest because their usefulness for many biomedical applications, such as antimicrobials, anticancer drugs, antioxidants, drug delivery systems, chemical sensors, contrast agents, and as catalysts. In this context, bacterial EPSs have been explored as agents to aid in a greener production of a myriad of metal nanoparticles, since they have the ability to reduce metal ions to form nanoparticles and stabilize them acting as capping agents. …”
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Rapid NO conversion with an enhanced Sm+3-TiO2 photocatalyst por Alviz Meza, A., Sierra González, X., Martínez de la Cruz, A., Colina Marquez, J.A.

“…The acidic pH favored the presence of the anatase crystalline phase, the most photoactive and interesting for photocatalytic applications. Furthermore, these catalysts were evaluated in a lab-scale UV photoreactor following the NO conversion via chemiluminescence, according to the ISO standard 22197–1. …”
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Metal Complexes Containing Natural and Artificial Radioactive Elements and Their Applications por Kharissova, Oxana Vasilievna, Méndez Rojas, Miguel Ángel, Kharisov, Boris I., Méndez, Ubaldo, Martínez, Perla

“…On the basis of their properties, several mono-, bi-, tri-, tetra- or polydentate ligands have been designed for specific recognition of some particular radionuclides, and can be used in the processes of nuclear waste remediation, i.e., recycling of nuclear fuel and the separation of actinides and fission products from waste solutions or for analytical determination of actinides in solutions; actinide metal complexes are also usefulas catalysts forcoupling gaseous carbon monoxide,as well as antimicrobial and anti-fungi agents due to their biological activity. …”
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Mediación de la diplomacia pública: Los videojuegos como espacio virtual para la resolución de conflictos por Rodriguez Espinola, Amanda

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Clonación y expresión del ADNc que codifica para la enzima endo-β-1,4-glucanasa de Coptotermes formosanus en Pichia pastoris por Jara Ochoa, Javier Omar

“…Enzymes offer substantial advantages over chemical catalysts because they are derived from renewable resources, biodegradable, working in relatively mild conditions, they tend to offer exquisite selectivity in the stereochemistry of reactants and products. …”
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Clonación y expresión del ADNc que codifica para la enzima endo-β-1,4-glucanasa de Coptotermes formosanus en Pichia pastoris por Jara Ochoa, Javier Omar

“…Enzymes offer substantial advantages over chemical catalysts because they are derived from renewable resources, biodegradable, working in relatively mild conditions, they tend to offer exquisite selectivity in the stereochemistry of reactants and products. …”
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