Resultados de búsqueda - (censo OR (composition OR (compcppcppcppdense OR (compcppcppcppdense OR compcppcppcppcenso))))

Exploring the potential of plant-derived natural products beyond functional food: Applications in nanomedicine por Luna Criado, Carlos, Mendoza Reséndez, Raquel

“…In fact, the power antioxidant, reducing and biological activities of the plant metabolites, together their chelating and their biodegradable properties, make the plant-derived natural products unique raw materials to design new sustainable approaches to prepare promising hybrid formulations and composites at the nanometer scale for innovative diagnostic and therapeutic procedures and nanotechnology applications. …”
Enlace del recurso

Exploring the potential of plant-derived natural products beyond functional food: Applications in nanomedicine por Carlos Luna, RAQUEL MENDOZA RESENDEZ

“…In fact, the power antioxidant, reducing and biological activities of the plant metabolites, together their chelating and their biodegradable properties, make the plant-derived natural products unique raw materials to design new sustainable approaches to prepare promising hybrid formulations and composites at the nanometer scale for innovative diagnostic and therapeutic procedures and nanotechnology applications. …”
Enlace del recurso

Desigualdad salarial entre trabajadores con y sin discapacidad en México, ¿discriminación o menor productividad? por Perez, Reyna Elizabeth Rodriguez, García Alvarado, Felipe de Jesus

“…El objetivo es determinar la existencia de una brecha salarial entre trabajadores con y sin discapacidad en México, a su vez, en qué medida tal disparidad se explica por factores relacionados al capital humano, con los datos de Censos de Población y Vivienda de 2000 y 2010, y la metodología de Firpo, Lemieux y Fortin (2011). …”
Enlace del recurso

Turismo y entorno empresarial en los Pueblos Mágicos de Coahuila por Barboza Lara, César, Gutiérrez González, Leonor, Salas Torres, Horacio

“…Se parte de la hipótesis de que, debido a su nombramiento como pueblo mágico, el turismo contribuyó a impulsar los sectores de actividad económica vinculadas al turismo en cada pueblo mágico, tales como hoteles, restaurantes, servicios de esparcimiento, entre otros. Se utilizan los Censos Económicos del INEGI del 2003, 2008, que muestran para cada pueblo mágico y para cada año, el total de unidades económicas por sector de actividad. …”
Enlace del recurso

La presencia japonesa en Guerrero durante el siglo XX por Wences Rangel, Araceli

“…El presente texto pertenece a los avances de la tesis: La migración japonesa a México y su presencia en el estado de Guerrero durante el siglo XX, cuyo objetivo principal es la identificación de inmigrantes japoneses en diversos municipios del estado de Guerrero, a través de documentos localizados en el Archivo General de Nación de México (AGN), registros civiles, parroquiales y censos. Posteriormente se hizo un análisis sobre su proceso migratorio para determinar si realmente estaban establecidos o solo se encontraban de manera temporal en los lugares en que fueron localizados. …”
Enlace del recurso

Perfil resistómico en microbioma de lechuga (Lactuca sativa) y perejil (Petroselinum crispum) en punto de venta en mercados de Monterrey, N.L. y su área metropolitana. por Betancourt Mejorado, Dante Aldhair

“…The municipality that presented the highest number of resistance genes identified was Apodaca, as well as there was a higher incidence of ARG in the parsley, with a total of 38 composite positive samples, while for lettuce 25 composite positive samples; Despite the trends, no significant differences were found (α = 0.05) between the genes, municipalities and type of plant, only in E. coli strains, where the comparison between type of vegetable did show significant differences.…”
Enlace del recurso

Perfil resistómico en microbioma de lechuga (Lactuca sativa) y perejil (Petroselinum crispum) en punto de venta en mercados de Monterrey, N.L. y su área metropolitana. por Betancourt Mejorado, Dante Aldhair

“…The municipality that presented the highest number of resistance genes identified was Apodaca, as well as there was a higher incidence of ARG in the parsley, with a total of 38 composite positive samples, while for lettuce 25 composite positive samples; Despite the trends, no significant differences were found (α = 0.05) between the genes, municipalities and type of plant, only in E. coli strains, where the comparison between type of vegetable did show significant differences.…”
Enlace del recurso

Antimicrobial and antibiofilm activities of MTA supplemented with bismuth lipophilic nanoparticles por Hernández Delgadillo, René, Del Angel Mosqueda, Casiano, Solís Soto, Juan Manuel, Munguia Moreno, Silvia, Pineda Aguilar, Nayely, Sánchez Nájera, Rosa Isela, Chellam, Shankararaman, Cabral Romero, Claudio

“…The antimicrobial activity of the composite MTA-BisBAL NPs was determined by the disk diffusion assay, while antibiofilm activity was analyzed by fluorescence microscopy. …”
Enlace del recurso

Pseudo-monocrystalline properties of cylindrical nanowires confinedly grown by electrodeposition in nanoporous alumina templates por Barriga Castro, Enrique Díaz, García, Javier, Mendoza Reséndez, Raquel, Prida, Víctor M., Luna Criado, Carlos

“…Although these nanowires have different chemical compositions, crystalline structures and/or diameters, they exhibit similar behaviors, which are unexpected for ideal single-crystals. …”
Enlace del recurso

Long-term influence of chitin concentration on the resistance of cement pastes determined by atomic force microscopy por Ortega, Eduardo, Rodríguez Martínez, Oliver, Figueroa Labastida, Miguel, Villa Pulido, Andrés Alberto, Sánchez Fernández, Antonio, Cué Sampedro, Rodrigo, Gracia Pinilla, Miguel Ángel, Menchaca, Jorge Luis

“…The mechanical properties of cement–chitin mixtures are investigated with different percentages of chitin (0.5, 1.3, and 2.1 wt.%) and aging of composite in a joint nanoscopic- and macroscopic-scale by experimental study. …”
Enlace del recurso

Optimization of the Hard Anodizing Process in Acidic Baths on AA6063 Aluminum Alloy Using Response Surface Methodology por Cabral Miramontes, José Ángel, Gaona Tiburcio, Citlalli, Estupiñan López, Francisco Humberto, Jáquez Muñoz, Jesús Manuel, Almeraya Calderón, Facundo

“…We used the response surface methodology (RSM) with a composite central design (CCD). The results of the optimization MSR reveal that to obtain the optimum Type III hard anodizing on AA6063 aluminum alloy with a target thickness of 11.85 µm and a Vickers microhardness of 297.14, a combination consisting of 15 min, 2.55 A/dm2, and 333.15 g/L of H2SO4 is required.…”
Enlace del recurso

Effect of silica fume and fly ash admixtures on the corrosion behavior of AISI 304 embedded in concrete exposed in 3.5% NaCl solution por Baltazar Zamora, Miguel Ángel, Bastidas, David M., Santiago Hurtado, Griselda, Mendoza Rangel, José Manuel, Gaona Tiburcio, Citlalli, Almeraya Calderón, Facundo, Bastidas, José María

“…Three different concrete mixtures were tested: 100% CPC (composite Portland cement), 80% CPC and 20% silica fume (SF), and 80% CPC and 20% fly ash (FA). …”
Enlace del recurso

Safe etching route of Nb2SnC for the synthesis of two-dimensional Nb2CTx MXene: an electrode material with improved electrochemical performance por Singh, Karan Kishor, Pushpan, Soorya, Loredo, Shadai Lugo, Cerdán-Pasarán, Andrea, Hernández-Magallanes, J. A., Sanal, K. C.

“…Various techniques, including XRD, SEM, TEM, EDS, and XPS, were used to characterize the samples and determine their crystal structures and chemical compositions. SEM images revealed a two-dimensional layered structure of Nb2CTx, which is consistent with the expected morphology of MXenes. …”
Enlace del recurso
Enlace del recurso

Greener synthesis of chemical compounds and materials por Kharissova, Oxana V., Kharisov, Boris I., Oliva González, Cesar Maximo, Méndez, Yolanda Peña, López, Israel

“…A range of nanosized materials and composites can be produced by greener routes, including nanoparticles of metals, non-metals, their oxides and salts, aerogels or quantum dots. …”
Enlace del recurso

Green Synthesis of Magnetic Nanoparticles of Iron Oxide Using Aqueous Extracts of Lemon Peel Waste and Its Application in Anti-Corrosive Coatings por Elizondo Villarreal, Nora, Verástegui Domínguez, Luz Hypatia, Rodríguez Batista, Raúl, Gándara Martínez, Eleazar, Alcorta García, Aracelia, Martínez Delgado, Dora Irma, Rodríguez Castellanos, Edén Amaral, Vázquez Rodríguez, Francisco Javier, Gómez Rodríguez, Cristian

“…The X-ray Diffraction (XRD) and Transmission Electron Microscopy (TEM) characterization showed that magnetite nanoparticles were successfully obtained with a very narrow particle size distribution between 3 and 10 nm. A composite was produced with the nanoparticles and graphene to be used as a surface coating on steel. …”
Enlace del recurso

A Study of the Corrosion Behavior of AHSS Complex-Phase CP 780 Employing an Electrochemical Noise Technique Analyzed by Different Methods por Lara Banda, María del Refugio, Almeraya Calderón, Facundo, Jáquez Muñoz, Jesús Manuel, Nieves Mendoza, Demetrio, Baltazar Zamora, Miguel Ángel, Olguín Coca, Javier, Estupiñan López, Francisco Humberto, Cabral Miramontes, José Ángel, Santiago Hurtado, Griselda, Gaona Tiburcio, Citlalli

“…Due to their mechanical properties, part of the chassis is a composite of advanced high-strength steels (AHSS). …”
Enlace del recurso

Development of a Novel Scaffold of Chitosan, Type IV Collagen and Integrin α3β1 As Alternative Scaffold for Primary Culture of Podocytes por Zárate Triviño, Diana Ginette, Hernández Martínez, Sara Paola, Bollain y Goytia de la Rosa, Juan José, Franco Molina, Moisés Armides, Elizalde Peña, Eduardo, Hernández Villegas, Margarita Idalia, Rangel Ochoa, Gloria Azucena, Rodríguez Padilla, Cristina

“…We obtained and characterized composites based on Chitosan (CTS), polyvinyl alcohol (PVA), type IV collagen and integrin α3β1 as a possible application in primary culture of podocytes. …”
Enlace del recurso

Petrology and geochemistry of meta-ultramafic rocks in the Paleozoic Granjeno Schist, northeastern Mexico: Remnants of Pangaea ocean floor por Torres Sánchez, Sonia Alejandra, Augustsson, Carita, Jenchen, Uwe, Barboza Gudiño, José Rafael, Alemán Gallardo, Eduardo Alejandro, Ramírez Fernández, Juan Alonso, Torres Sánchez, Darío, Abratis, Michael

“…We suggest different tectonic settings for metamorphism of its serpentinite and talc-bearing rocks based on petrographic and geochemical compositions. According to the REE ratios (LaN/YbN = 0.51–20.0 and LaN/SmN = 0.72–9.1) and the enrichment in the highly incompatible elements Cs (0.1 ppm), U (2.8 ppm), and Zr (60 ppm) as well as depletion in Ba (1 – 15 ppm), Sr (1–184ppm),Pb(0.1–14ppm),andCe(0.1–1.9ppm)the rocks have mid-ocean ridge and subduction zones characteristics.TheserpentinitecontainsAl-chromite,ferrian chromiteandmagnetite.TheAl-chromiteischaracterized byCr#of0.48to0.55suggestingaMORBorigin,andCr#of 0.93 to 1.00 for the ferrian chromite indicates a prograde metamorphism.Weproposeatleasttwoserpentinization stagesoflithosphericmantlefortheultramaficrockofthe GranjenoSchist,(1)afirstinanocean-floorenvironment atsub-greenschisttogreenschistfaciesconditionsand(2) later a serpentinization phase related to the progressive replacement of spinel by ferrian chromite and magnetite atgreenschisttolowamphibolitefaciesconditionsduring regional metamorphism. …”
Enlace del recurso

Corrosion Behavior of Galvanized Steel Embedded in Concrete Exposed to Soil Type MH Contaminated With Chlorides por Baltazar Zamora, Miguel Ángel, Mendoza Rangel, José Manuel, Croche, René, Gaona Tiburcio, Citlalli, López, Luis, Olguín, Francisco, Almeraya Calderón, Facundo

“…In such concrete specimens a carbon steel bar AISI 1018 and Galvanized Steel was embedded as reinforcement, the mixed concrete was of ratio water/cement (w/c) = 0.45 (compressive strength, f'c = 350 kg/cm2), according to ACI 211.1, using cements Portland Cement Composite [CPC 30R (Type I) and CPC 30R RS (Type V)]. …”
Enlace del recurso

Aspectos ecológicos del zarapito pico largo numenius americanus (Bechstein, 1812) en dos sitios de invernación del desierto chihuahuense por Olalla Kerstupp, Alina

“…El presente trabajo generó información confiable y novedosa sobre 4 aspectos ecológicos del zarapito pico largo durante su estadía invernal en dos sitios del Desierto Chihuahuense en México: censos poblacionales, dieta, usos de hábitat /migración y amenazas. …”
Enlace del recurso