Título : Development of a New Electrochemical Sensor Based on Mag-MIP Selective Toward Amoxicillin in Different Samples

Autor : López, Rosario; Khan, Sabir; Wong, Ademar; Taboada Sotomayor, María del Pilar; Picasso, Gino

Resumen : This work describes an electrochemical sensor for the selective recognition and quantification of amoxicillin and a β-lactam antibiotic in real samples. This sensor consists of a carbon paste electrode (CPE) modified with mag-MIP (magnetic molecularly imprinted polymer), which was ...

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Título : Using Carbon Paste Electrode Modified with Ion Imprinted Polymer and MWCNT for Electrochemical Quantification of Methylmercury in Natural Water...

Autor : Mesa, Ruddy; Khan, Sabir; Sotomayor, Maria D. P. T.; Picasso, Gino

Resumen : Methylmercury (MeHg) is one of the most toxic organic mercury compounds found in the environment. The continuous exposure of human beings to this highly toxic compound may damage their nervous system. The present work reports the development and application of a novel...

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Título : Catalizadores basados en Ru-Fe soportados sobre TiO2 para la hidrogenación de palmitato de metilo con obtención de alcohol cetílico

Autor : Rodríguez, Pieer; Neira, Enrique; Picasso, Gino; Sun Kou, Rosario

Resumen : Se estudió el sistema catalítico Ru-Fe soportado sobre titania para la hidrogenación selectiva del palmitato de metilo al producto alcohol cetílico. Los catalizadores basados en Ru-Fe soportados en TiO2 fueron preparados por el método de coimpregnación húmeda: Ru, como metal a...

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Título : Síntesis de catalizadores Ru-Ni soportados en γ- Al2 O3 para la hidrogenación de palmitato de metilo derivado del aceite de palma y&...

Autor : Rojas, Miguel; Castañeda, Harlich; Cconislla, José Luis; Neira, Enrique; Picasso, Gino; Sun Kou, Rosario

Resumen : Catalysts based on Ru-Ni supported on γ-Al2O3 were prepared by the wet impregnation method with pH adjustment. The surface area of the supported catalysts was greater than that corresponding to the support with the adsorption isotherms corresponding to micromesoporous solids. ...

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Título : Enhanced photoelectrochemical performance and photocatalytic activity of ZnO/TiO2 nanostructures fabricated by an electrostatically modified electrospinning

Autor : Ramos, Pierre G.; Flores, Edson; Sánchez, Luis A.; Candal, Roberto J.; Hojamberdiev, Mirabbos; Estrada, Walter; Rodriguez, Juan

Resumen : In this work, ZnO/TiO2 nanostructures were fabricated by an electrostatically modified electrospinning technique using zinc acetate and commercially available TiO2-P25, polyvinyl alcohol, and a solvent. The ZnO/TiO2 nanostructures were fabricated on fluorine-doped tin oxide (FTO) glass ...

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Título : Influence of zinc acetate content on the photoelectrochemical performance of zinc oxide nanostructures fabricated by electrospinning technique

Autor : Ramos, Pierre G.; Morales, Noé J.; Candal, Roberto J.; Hojamberdiev, Mirabbos; Rodriguez, Juan

Resumen : One-dimensional nanostructures have shown high photocatalytic efficiency due to their high surface area to volume ratio and charge transfer efficiency. In this work, we have studied the influence of zinc acetate content (zinc acetate to polyvinyl alcohol (PVA) mass ratio) on&#...

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Título : 1D TiO2 Nanostructures Prepared from Seeds Presenting Tailored TiO2 Crystalline Phases and Their Photocatalytic Activity for Escherichia coli in&#x...

Autor : Cabrera, Julieta; Acosta, Dwight; López, Alcides; Candal, Roberto J.; Marchi, Claudia; García, Pilar; Ríos, Dante; Rodriguez, Juan M.

Resumen : TiO2 nanotubes were synthesized by alkaline hydrothermal treatment of TiO2 nanoparticles with a controlled proportion of anatase and rutile. Tailoring of TiO2 phases was achieved by adjusting the pH and type of acid used in the hydrolysis of titanium isopropoxide (first s...

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Título : Conformation of an Astrobiology Interdisciplinary Research Group: The “Team Killalab” Case Study

Autor : Quispe Pilco, Ruth E.; Rodriguez Venturo, Sofia C. A.; Cruz-Simbrón, Rómulo L.; Ramírez-Gramber, Jeffrey Javier; Vásquez-Ortiz, Eduardo; Julián, Carlos Leonardo; Valdi...

Resumen : The development of new technologies in recent years has highlighted interdisciplinarity as a tool to solve complex problems faced by scientists and engineers in research work. Worldwide, the area of space science, specifically astrobiology, has had more than 25 missions with&#...

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Título : Propuesta Alternativa para la Determinación Transparente y Equitativa del Gravamen a las Sobreganancias Mineras mediante un Algoritmo Numérico

Autor : Luque Casanave, Manuel

Resumen : El presente Estudio ha sido desarrollado con el objeto de proponer una metodología a través de un algoritmo numérico que permita determinar con transparencia, precisión y equidad los montos que les correspondería pagar como gravamen a las empresas mineras teniendo como ba...

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