Zobrazeno 1 - 10
of 124
pro vyhledávání: '"Fernando Chávez"'
Autor:
Diego Alejandro Ortega-Moreno, Fernando Tienda-López, David Loaiza-Pérez, Fernando Chávez-Ríos, Samantha Salinas-Rodríguez, Egla Samantha Sánchez-Peralta, Ana Laura de León-Pérez, Diego Oyervides-Recio, Arely Rodríguez-Salazar, Emmanuel Navarrete Juárez, Fernando Góngora-Rivera
Publikováno v:
International Journal of Medical Students, Vol 11 (2023)
BACKGROUND: Stroke is highly prevalent worldwide; however, the associated symptoms and risk factors are commonly unknown among the general population. No study has been carried out in the Mexican population about the risk of stroke and knowledge of w
Externí odkaz:
https://doaj.org/article/ac2168d73fcb42f1ac0bbe7f967713b4
Autor:
Bryan Ortiz, Roque López, Carlos Muñoz, Kateryn Aguilar, Fernando Pérez, Isis Laínez-Arteaga, Fernando Chávez, Celeste Galindo, Luis Rivera, Manuel G. Ballesteros-Monrreal, Pablo Méndez-Pfeiffer, Dora Valencia, Gustavo Fontecha
Publikováno v:
Journal of Fungi, Vol 10, Iss 3, p 186 (2024)
Kodamaea ohmeri is an environmental yeast considered a rare emerging pathogen. In clinical settings, the correct identification of this yeast is relevant because some isolates are associated with resistance to antifungals. There is a lack of availabl
Externí odkaz:
https://doaj.org/article/66f8986275c54cbc833f05a770ca881d
Autor:
José Manuel Sánchez-Viveros, Vitalii Petranovskii, Gregorio Zacahua Tlacuatl, Minerva Lara Hernández, Fernando Chávez–Rivas, Ciro Falcony–Guajardo, Julio César Espinoza–Tapia
Publikováno v:
Materials Research Express, Vol 11, Iss 10, p 105004 (2024)
This study explores the photocatalytic degradation of Reactive Black 5 (RB5) dye using thermally modified natural zeolites, aiming to improve water purification methods. Zeolites were calcined at 250 °C, 350 °C, and 500 °C, and characterized throu
Externí odkaz:
https://doaj.org/article/544105457cf344f4894b8e2392213af1
Autor:
Fernando Chávez Solca
Publikováno v:
Estudios Sociales Contemporáneos, Iss 25 (2021)
Partiendo de una mirada discursiva de los clivajes políticos, este trabajo analiza los discursos de los actores intervinientes en la crisis del campo en la Argentina en el año 2008. A través de ellos se evidencia la pervivencia y el desplazamiento
Externí odkaz:
https://doaj.org/article/1fd1388eaa6a40d7a463b5a160f4d405
Publikováno v:
Inorganics, Vol 10, Iss 3, p 34 (2022)
Long-term changes in species of copper-silver bimetallic systems on natural clinoptilolite obtained by ion exchange of Cu2+ and Ag+ and then reduced at different temperatures were studied. Even after storage under ambient conditions, XRD and UV-Vis d
Externí odkaz:
https://doaj.org/article/fe285ae57b504a06abfc61cba400c82c
Autor:
Daria Tito-Ferro, Inocente Rodríguez-Iznaga, Beatríz Concepción-Rosabal, Fernando Chávez-Rivas, Vitalii Petranoskii, Arbelio Penton-Madrigal, Felipe Castillón-Barraza
Publikováno v:
Minería y Geología, Vol 32, Iss 4, Pp 1-16 (2016)
The aim of this work was to characterize the natural clinoptilolite from Tasajeras deposit, Cuba, modified by hydrothermal ion-exchange with solutions of iron (II) sulfate and iron (III) nitrate in acid medium. Besides this, its catalytic activity to
Externí odkaz:
https://doaj.org/article/4df0555de50b49acb1e55e8a89b46aca
Autor:
J. Gabriel Ortega-Mendoza, Alfonso Padilla-Vivanco, Carina Toxqui-Quitl, Placido Zaca-Morán, David Villegas-Hernández, Fernando Chávez
Publikováno v:
Sensors, Vol 14, Iss 10, Pp 18701-18710 (2014)
This paper reports the implementation of an optical fiber sensor to measure the refractive index in aqueous media based on localized surface plasmon resonance (LSPR). We have used a novel technique known as photodeposition to immobilize silver nanopa
Externí odkaz:
https://doaj.org/article/0f9a4f4bd4884264a36263c2d3d9006c
Autor:
Katia Martina, Federica Calsolaro, Alessio Zuliani, Gloria Berlier, Fernando Chávez-Rivas, Maria Jesus Moran, Rafael Luque, Giancarlo Cravotto
Publikováno v:
Molecules, Vol 24, Iss 13, p 2490 (2019)
Silica-supported metallic species have emerged as valuable green-chemistry catalysts because their high efficiency enables a wide range of applications, even at industrial scales. As a consequence, the preparation of these systems needs to be finely
Externí odkaz:
https://doaj.org/article/6414a89fa30b4c6fa37b9c0324ffaffb
Autor:
Daria Tito-Ferro, Inocente Rodríguez-Iznaga, Beatriz Concepción-Rosabal, Fernando Chávez-Ribas, Valduvina Córdova-Rodríguez, Rolando Rizo-Beyra
Publikováno v:
Minería y Geología, Vol 27, Iss 1, Pp 22-37 (2011)
Se presenta un estudio sobre la roca zeolitizada del yacimiento de Palmarito de Cauto, constituida fundamentalmente por zeolita del tipo mordenita, con el objetivo de identificar las principales fases magnéticas y otras fases asociadas al hierro y r
Externí odkaz:
https://doaj.org/article/502b25422b19446bb02e1823ff8e81bc
Autor:
Nancy Elizabeth González-Sierra, Luz del Carmen Gómez-Pavón, Gerardo Francisco Pérez-Sánchez, Arnulfo Luis-Ramos, Plácido Zaca-Morán, Jesús Manuel Muñoz-Pacheco, Fernando Chávez-Ramírez
Publikováno v:
Sensors, Vol 17, Iss 9, p 2039 (2017)
A comparative study on the sensing properties of a tapered optical fiber pristine and functionalized with the palladium nanoparticles to hydrogen and volatile organic compounds (VOCs), is presented. The sensor response and, response/recovery times we
Externí odkaz:
https://doaj.org/article/9bcd7c2dc0dc462695270f9ac82f5102