Científica: Depósitos recientes

Mostrando ítems 321-340 de 806

The relationship between cyto-genotoxic damage and oxidative stress produced by emerging pollutants on a bioindicator organism (Allium cepa): The carbamazepine case.

García-Medina, Sandra; Galar-Martínez, Marcela; Gómez-Oliván, Leobardo Manuel; Torres-Bezaury, Rosalia; Islas-Flores, Hariz; Gasca-Pérez, Eloy (Chemosphere, 2020-04-03)

he carbamazepine (CBZ) is one of the most frequently detected anticonvulsant drugs in water bodies. Although there are reports of its ecotoxicological effects in the scienti!c literature, toxicity studies have not focused ...
Alterations in viability and CYP1A1 expression in SH SY5Y cell line by pollutants present in Madín Dam, Mexico.

Sánchez-Ocampo, Esmeralda Michelle; Elizondo-Azuela, Guillermo; Shibayama-Salas, Mineko; Galar-Martínez, Marcela; Gómez-Oliván, Leobardo Manuel (Science of the Total Environment, 2020-02-21)

Currently one of the problems facing global development is the availability of water. Although water is abundant the planet only a small portion is for human use and consumption. The problem is exacerbated due to different ...
Análisis de la gestión ambiental en el desarrollo turístico del municipio de Ixtapan de la sal

Alpizar Manjarrez, Javier (Universidad Autónoma del Estado de México, 2017-01-13)

La preocupación por las manifestaciones del clima y el deterioro ambiental causadas por los cambios en el entorno natural por las modificaciones realizadas en el medio ambiente por la acción del hombre a lo largo del tiempo ...
Ionic gelation encapsulation of sesame oil with sodium alginate-nopal mucilage blends: Encapsulation efficiency and oxidative stability

VELAZQUEZ GUTIERREZ, SANDRA KARINA; ALPIZAR REYES, ERIK; CRUZ OLIVARES, JULIAN; BARRERA PICHARDO, JOSE FRANCISCO; RODRIGUEZ HUEZO, MARIA EVA; PEREZ ALONSO, CESAR (Revista Mexicana de Ingeniería Química, 2020-06-25)

Hydrogel beads were formed by ionic gelation between sodium alginate-nopal mucilage (SA-NM) for enhancing the encapsulation efficiency and oxidative stability of sesame oil (SO). SA-NM blends (2% w/v) were used 1:1 and ...
Dibenzothiophene hydrodesulfurization over P-CoMo on sol-gel alumina modified by La addition. Effect of rare-earth content

ESCOBAR AGUILAR, JOSE; BARRERA DOMINGUEZ, MARIA CONCEPCION; S. Valente, Jaime; SOLIS CASADOS, DORA ALICIA; Santes, Víctor; Terrazas Rodríguez, José Eduardo; Fouconnier, Benoit (Multidisciplinary Digital Publishing Institute (MDPI), 2019-04-13)

Alumina-lanthana (La at 1, 3, or 5 wt%) supports were prepared by sol-gel from Al alkoxide sol where La(NO 3 ) 3 was added. Annealed (550 °C) xerogels were characterized by N 2 physisorption, thermal analysis (TG-DTA), ...
DEGRADACIÓN DE ÍNDIGO CARMÍN POR MEDIO DE OXIDACIÓN ELECTROQUÍMICA POTENCIADA CON AGENTES OXIDANTES

Bucio Rodríguez, Paola Yamith (Universidad Autónoma del Estado de México, 2019-01-27)

En el contexto global, las aguas contaminadas por ausencia o inadecuado tratamiento son una de las peores amenazas para la salud y el desarrollo humano por lo que es necesario el desarrollo de mejores y más eficaces ...
Comow/al203-mgo-li2o catalytic formulations for DBT hydrodesulphurization

Solís Casados, Dora Alicia; BLANCAS BLANCAS, JAVIER; ESCOBAR ALARCON, LUIS; ESCOBAR AGUILAR, JOSE; KLIMOVA BERESTNEVA, TATIANA; GONZALEZ ZAVALA, FERNANDO (Universidad Nacional Autónoma de México, 2019-12-01)

Low acidity catalytic formulations were prepared incorporating MgO and Li2O to the conventional C0M0W/Al2O3 catalysts. The C0M0W active phases were impregnated using an ammoniacal solution containing the metallic complexes ...
Quantification of the sulfidation extent of Mo in CoMo HDS catalyst through XPS

ROMERO GALARZA, ADOLFO; Bravo-Sanchez, Mariela; Ramírez Solis, Jorge Fernando; GUTIERREZ ALEJANDRE, AIDA; Solís Casados, Dora Alicia (Elsevier, 2019-07-01)

Background removal in X-ray photoelectron spectroscopy (XPS) spectra was carried out in Co–Mo hydrodesulfurization (HDS) catalysts supported alumina using traditional and recent methods. The sulfidation extent, expressed ...
Hydrogen production by laser irradiation of metals in water under an ultrasonic field: A novel approach

ESCOBAR ALARCON, LUIS; ITURBE GARCIA, JOSE LUIS; GONZALEZ ZAVALA, FERNANDO; Solís Casados, Dora Alicia (Elsevier, 2019-01-15)

An alternative method for hydrogen production by laser irradiation of metals in water is proposed. Metals such as Ti, Al, Mg an Al–Mg alloy and Si, were laser ablated and subjected to an ultrasonic field simultaneously to ...
Evaluación de los recubrimientos de níquel y fosfatados aplicados en acero corroído

REYES ASTIVIA, JESUS ELISEO (Universidad Autonoma del Estado de México, 2020-01-24)

En esta tesis se aplicó y validó una metodología para llevar a cabo dos tipos de recubrimientos metálicos sobre acero al carbono: a) los basados en níquel, utilizando el método del baño de Watts y b) los fosfatados. Con ...
Tuning the Basic Properties of ZnAl Hydrotalcites Modified with Ce Applied to Transesterification of Soybean Oil

CABRERA MUNGUIA, DENIS AIDEE; GONZALEZ RODRIGUEZ, HORACIO; Barreto Gutiérrez, Mónica; GUTIERREZ ALEJANDRE, AIDA; RICO CERDA, JOSE LUIS; Solís Casados, Dora Alicia (Catalysis Letters, 2020-01-04)

The basicity of ZnAl hydrotalcite type materials was modified through the incorporation of Ce into their structure and used as heterogeneous catalysts in the transesterification of soybean oil. A series of novel ZnAl–Ce(X) ...
Thin films prepared by a hybrid deposition configuration combining two laser ablation plasmas with one sputtering plasma

ESCOBAR ALARCON, LUIS; Solís Casados, Dora Alicia; ROMERO MARQUEZ, JAVIER SAUL; Haro-Poniatowski, Emmanuel (springer nature, 2020-01-01)

A hybrid configuration for multicomponent thin film deposition by combining two laser ablation plasmas with one sputtering plasma is presented. This setup was used to deposit TiO2 thin films modified simultaneously with ...
Thermal Study of Aluminum Trifluoromethyl Sulfonate as Effective Catalyst for the Polymerization of Epoxidized Linseed Oil

DEHONOR MARQUEZ, ETHNICE; VIGUERAS SANTIAGO, ENRIQUE; HERNANDEZ LOPEZ, SUSANA (Physical Chemistry, 2019-11-25)

It was studied the Aluminum Trifluoromethyl Sulfonate ((Al(OTf)3) as a very effective catalyst to polymerize Epoxidized Linseed Oil (ELO) in bulk, in a very wide range of temperatures, from room temperature (25°C) to the ...
Selective HDS of DBT using a K2O-modified CoMoW/Al2O3-MgO catalytic formulation

Solis-Casados, Dora Alicia; Rodriguez-Nava, Caludia Estefany; Escobar-Alarcon, Luis; Klimova, Tatiana (Elsevier, 2019-07-25)

Novel catalytic formulation CoMoW/Al2O3-MgO-K2O with low acidity and good selectivity towards direct desulfurization was obtained.It is observed that the addition of magnesia and potash to the catalytic support decreases ...
Characterization of RuO2–Rh2O3 supported on Ag1-xNbO3; at x=0, 0.1 and 0.5 for the H2 production

CRUZ LOPEZ, ARQUIMEDES; SUAREZ VAZQUEZ, SANTIAGO IVAN; RAMOS RIVERA, CARLOS ALBERTO; ZANELLA SPECIA, RODOLFO; Solís Casados, Dora Alicia (Elsevier, 2020-03-01)

In this work, the characterization of the RuO2–Rh2O3 system supported on Ag1-xNbO3 (where x = 0, 0.1, and 0.5) prepared by the solid-state route at 900 °C for its employment as semiconductor in the production of hydrogen ...
Relación entre ácido úrico y composición corporal, perfil metabólico, leptina y adiponectina en mujeres posmenopáusicas

Saucedo, Renata; PEÑA CANO, MARIA ISABEL; VALENCIA ORTEGA, JORGE; MORALES AVILA, ENRIQUE; Zavala Moha, José Alberto; López Márquez, Adriana; HERNANDEZ VALENCIA, MARCELINO (Ginecología y Obstetricia de México, 2019-05-01)

OBJETIVO: Evaluar la relación del ácido úrico con los parámetros metabólicos, antropométricos, leptina y adiponectina, en mujeres posmenopáusicas en quienes se incrementa el riesgo de enfermedad cardiovascular. MATERIALES ...
Screening anti-predator behaviour in fish larvae exposed to environmental pollutants

Faria, Melisa; Xu, Xiaona; Luja Mondragón, Marlenee; Prats, Eva; Gómez Oliván, Leobardo Manuel; Piña, Benjamin; Raldúa, Demetrio (Science of the Total Environment, 2020-01-16)

Predation is one of the main sources of mortality for fish larvae. During evolution, they have developed different anti-predator behaviours, as the vibrational-evoked startle response and its habituation, for promoting ...
Oxidative stress in pregnancy complicated by preeclampsia

San Juan Reyes, Sindy; Gómez Oliván, Leobardo Manuel; Islas Flores, Hariz; Dublán García, Octavio (Archives of Biochemistry and Biophysics, 2020-01-03)

Preeclampsia is a multisystemic disorder of pregnancy that causes perinatal morbidity and mortality. Studies published in the last decade have contributed to a better understanding of physiopathogenesis through key mechanisms ...
Survival and malformation rate in oocytes and larvae of Cyprinus carpio by exposure to an industrial effluent

San Juan Reyes, Nely; Gómez Oliván, Leobardo Manuel; Pérez Pasten Borja, Ricardo; Luna Mondragón, Marlene; Orozco Hernández, José Manuel; Heredia García, Gerardo; Islas Flores, Hariz; Galar Martínez, Marcela; Escobar Huérfano, Francisco (Environmental Research, 2019-12-03)

Pharmaceuticals are used for the prevention or treatment of diseases, and due to their manufacturing process they are continuously released to water bodies. One of the pharmacological groups detected in aquatic en- vironments ...
Ibuprofen at environmentally relevante concentraciones altera embryonic development, induces teratogenesis and oxidative stress in Cyprinus carpio

Gutierrez Noya, Verónica Margarita; Gómez Olivan, Leobardo Manuel; RAMIREZ MONTERO, MARIA DEL CARMEN; ISLAS FLORES, HARIZ; GALAR MARTINEZ, MARCELA; DUBLAN DUBLAN, OCTAVIO; ROMERO ROMERO, RUBI (Science of the Total Environment, 2020-01-01)

Ibuprofen (IBU) is a non-steroidal anti-inflammatory (NSAIDs) that is used in various conditions. The prescrip- tions and the global consumption of this drug are very high and its annual production oscillates in millions ...

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