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Documentos Académicos-- M. en Ciencias y Tecnología Química: Envíos recientes

Mostrando ítems 61-80 de 121

Photocatalytic Decomposition of Metoprolol and Its Intermediate Organic Reaction Products: Kinetics and Degradation Pathway

Pinedo, Alfonso; López, Mariana; Leyva, Elisa; Zermeño, Brenda; Serrano Rosales, Benito; Moctezuma, Edgar (De Gruyter, 2016-05-03)

High purity metoprolol prepared by neutraliza-tion of an aqueous solution of metoprolol tartrate is efficiently mineralized to CO2 and water by photocatalysis with TiO2, UV light and a constant flow rate of oxygen. Since ...
Energy efficiency limits in Photo-CREC-Air photocatalytic reactors

Lugo Vega, Cristina S.; Serrano Rosales, Benito; de Lasa, Hugo (Elsevier, 2016-12)

Efficiencies in photocatalytic reactors for air treatment have to be established on the basis of Quantum Yields (QY) and Photochemical Thermodynamic Efficiency Factors (PTEFs) using rigorous methods. This involves the ...
Immobilized particle coating for optimum photon and TiO2 utilization in scaled air treatment photo reactors

Lugo Vega, Cristina S.; Serrano Rosales, Benito; de Lasa, Hugo (Elsevier, 2016-12)

This study reports the critical importance of the particle state in TiO2 immobilized photocatalysis. To address this, TiO2 coatings are prepared using two methods: an Air Assisted Spray with an Automatized Spinning Coating ...
Microwave Assisted Sol-Gel Synthesis and Characterization of M–TiO2 (MDPt, Au) Photocatalysts

Hernández, Hiram; Durón Torres, Sergio Miguel; Esquivel, Karen; Guzmán, C. (Springer, 2016-10)

Pt–TiO2 and Au–TiO2 photocatalysts have been synthetized by a microwave assisted sol-gel method and characterized by means of X-ray diffraction (XRD) techniques and UV-Vis diffuse reflectance spectroscopy. Particle sizes ...
Efficiency Factors in Photocatalytic Reactors: Quantum Yield and Photochemical Thermodynamic Efficiency Factor

de Lasa, Hugo; Serrano Rosales, Benito; Moreira, Jesús; Valades Pelayo, Patricio (Wiley, 2015-12)

Photocatalytic efficiency is evaluated using quantum yields (QYs) and the photo- chemical thermodynamic efficiency factor (PTEF). The PTEF allows establishing reactor efficiency as the ratio of utilized enthalpy for the ...
Glucose microfluidic fuel cell using air as oxidant

Escalona Villalpando, Ricardo Antonio; Dector; Dector; Moreno Zuria, Alonso; Durón Torres, Sergio Miguel; Galván Valencia, Marisol; Arriaga, Luís Gerardo; Ledesma García, Janet (Elsevier, 2016-12)

A bioanode was constructed using glucose oxidase enzyme (GOx) supported on multiwalled-carbon nanotubes (MWCNTs) in the presence of glutaraldehyde (GA) (GOx/MWCNTs-GA) and evaluated in an air-breathing hybrid glucose ...
Click chemistry of multi-walled carbon nanotubes-G-1,3-diazido-2-isopropanol with alkyne groups

Estévez Martínez, Yoxkin; Durón Torres, Sergio Miguel; Alaníz Lumbreras, Daniel; Jiménez Sandoval, Sergio; Rámirez Palma, María Teresa; González Arratia, Jaime; Cuevas Yañez, Erick; Castaño, Víctor (Advanced Study Center Co. Ltd., 2017)

The click chemistry was employed on oxidized multiwall carbon nanotubes for their functionalization with 1,3-diazido-2-isopropanol (2N3OH). Phenylacetylene and propargylamine are used as alkyne groups, catalyzed with ...
Determination of Pb in Brickellia Veronicifolia for Anodic Stripping Voltammetry

Luís Tomás, Félix; Durón Torres, Sergio Miguel; Ávila, Verónica; Correa, Hans Christian; Aguilera, Miguel Mauricio (IOP, 2018)

The Electrochemical Society, find out more Determination of Pb in Brickellia Veronicifolia for Anodic Stripping Voltammetry Luis Tomás Félix1, Sergio Miguel Durón2, Verónica Ávila1, Hans Christian Correa1 and ...
Effect of molybdenum content on the morphology and electronic characteristics of Pd–MoOx nanomaterials and activity evaluation for ethylene glycol electro–oxidation

Ambriz Pelaez, Oscar; Durón Torres, Sergio Miguel; Olivas, Amelia; Valdez, Ricardo; Arriaga, Luis Gerardo; Álvarez Contreras, Lorena; Guerra Balcazar, Minerva; Arjona, Noé (Elsevier, 2019-12)

In this work, Pd–MoOx nanomaterials were developed changing the Mo/Pd precursor ratio and tested for ethylene glycol electro–oxidation reaction (EGOR) in alkaline medium. Mo atomic % compositions of 0, 15, 35, 45 and 75 at. ...
Synthesis, characterization and cyclic voltammetry studies of helical carbon nanostructures produced by thermal decomposition of ethanol on Cu-foils

Fajardo Díaz, Juan; Durón Torres, Sergio Miguel; López Urías, Florentino; Muñoz Sandoval, Emilio (Elsevier, 2019-12)

Cu-foils have been used intensively to fabricate graphene and other carbon nanostructures. Several routes have been implemented to improve the synthesis of such carbonaceous nanomaterials. We investigated the growth of ...
Tumor-induced neurogenesis and immune evasion as targets of innovative anti-cancer therapies

Cervantes Villagrana, Rodolfo Daniel; Albores García, Damaris; Cervantes Villagrana, Alberto Rafael; García Acevez, Sara Judit (Nature, 2020-06-18)

Normal cells are hijacked by cancer cells forming together heterogeneous tumor masses immersed in aberrant communication circuits that facilitate tumor growth and dissemination. Besides the well characterized angiogenic ...
Incorporating the Use of a Fouling Model in the Design and Operation of Cooling Networks

Lugo Granadosa, Hebert; Canizalez Dávalos, Lázaro; Picón Núñez, Martín (The Italian Association of Chemical Engineering, 2019-10-30)

The importance of knowing how fouling develops and deteriorates the thermal-hydraulic performance of heat transfer processes becomes evident when the problem is already there and is difficult to eliminate. ...
Comprehensive analysis of the thermohydraulic performance of cooling networks subject to fouling and undergoing retrofit projects

Lugo Granados, Hebert; Canizalez Dávalos, Lázaro; Picon Nuñez, Martín (SAGE, 2020)

The aim of this paper is to develop guidelines for the placing of new coolers in cooling systems subject to retrofit. The effects of the accumulation of scale on the flow system are considered. A methodology to assess ...
Designing Spiral Plate Heat Exchangers to Extend Its Service and Enhance the Thermal and Hidraulyc Performance

Canizales Dávalos, Lázaro; Murrieta Luna, Edilberto; Rodríguez Ángeles, Mario Alberto; Cruz Delgado, Víctor J. (Intech Open, 2019)

Spiral plate heat exchangers are well suitable for handling fluids with features linked to fouling, high viscosities, fluids with suspended fragments of solids and process streams with tough heat transfer targets. Correlations ...
One-pot synthesis of ZnO–Ag and ZnO–Co nanohybrid materials for photocatalytic applications

Martínez Vargas, Blanca; Durón Torres, Sergio Miguel; Bahena, Daniel; Rodríguez López, José Luís; Peralta Hernández, Juan; Picos, Alaín (Elsevier, 2019-12)

ZnO–Ag and ZnO–Co nanohybrid materials with different Ag and Co contents were successfully prepared through a simple one-pot method at room temperature in the absence of surfactants. This synthesis route is effective and ...
DNA Biosensor Based on Double-Layer Discharge for the Detection of HPV Type 16

Espinosa, José; Galván, Marisol; Quiñones, Arturo; Ayala, Jorge; Durón Torres, Sergio Miguel (MDPI, 2019-09)

DNA electrochemical biosensors represent a feasible alternative for the diagnosis of different pathologies. In this work, the development of an electrochemical method for Human Papillomavirus-16 (HPV-16) sensing is reported ...
Lipid Metabolism Alterations in a Rat Model of Chronic and Intergenerational Exposure to Arsenic

Rivas Santiago, Cesar; González Curiel, Irma; Zarazua, Sergio; Murgu, Michael; Ruiz Cardona, Alonso; Lazalde, Blanca; Lara Ramírez, Edgar E.; Vázquez, Edgar; Castañeda Delgado, Julio Enrique; Rivas Santiago, Bruno; López, Jesús Adrián; Cervantes Villagrana, Alberto R.; López Hernández, Yamile (Hindawi, 2019)

Chronic exposure to arsenic (As), whether directly through the consumption of contaminated drinking water or indirectly through the daily intake of As-contaminated food, is a health threat for more than 150 million people ...
Las flores de hibiscus sabdariffa y sus beneficios a la salud: una revisión de sus efectos cardiometabólicos y la relación con su composición de antocianinas

Ruedas del Real, Benjamín; Galván Valencia, Marisol; Cervantes Villagrana, Alberto Rafael; González Curiel, Irma Elizabeth (Academia Journals, 2018)

Algunos fitoquímicos son tóxicos para otros organismos, siendo éste un mecanismo de defensa contra factores estresores del medio ambiente. La hipótesis de la xenohormesis establece que dosis bajas de estas moléculas activan ...
Metformin Induces Cell Cycle Arrest, Reduced Proliferation, Wound Healing Impairment In Vivo and Is Associated to Clinical Outcomes in Diabetic Foot Ulcer Patients

Ochoa González, Fátima; Cervantes Villagrana, Alberto Rafael; Fernandez Ruíz, Julio C.; Nava Ramírez, Hilda S.; Hernández Correa, Adriana C.; Enciso Moreno, Jose A.; Castañeda Delgado, Julio E. (Harvard Medical School, 2016-03-10)

Several epidemiological studies in diabetic patients have demonstrated a protective effect of metformin to the development of several types of cancer. The underlying mechanisms of such phenomenon is related to the effect ...
Medicinal Plant Extracts and Their Use As Wound Closure Inducing Agents

Medellín Luna, Mitzzy F.; Castañeda Delgado, Julio E.; Martıínez Balderas, V. Yordani; Cervantes Villagrana, Alberto Rafael (Mary Ann Liebert Inc Publishers, 2019)

Skin insult and damage start a complex healing process that involves a myriad of coordinated reactions at both the cellular and molecular level occurring simultaneously. These processes can be divided into that of cell ...

Mostrando ítems 61-80 de 121

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