Resultados de búsqueda - ((((((sumando OR sum) OR (some OR asume)) OR usura) OR uusumaay) OR usuma) OR uuusumo)*

Antimycobacterial Activity of Constituents from Foeniculum vulgare Var. Dulce Grown in Mexico por Esquivel Ferriño, Patricia Cristina, Favela Hernández, Juan Manuel de Jesús, Garza González, Elvira, Waksman Minsky, Noemí Herminia, Ríos, María Yolanda, Camacho Corona, María del Rayo

“…Compounds that showed some degree of antimycobacterial activity against all strains tested were the following: linoleic acid (MIC 100 µg/mL), oleic acid (MIC 100 µg/mL), 1,3-benzenediol (MIC 100–200 µg/mL), undecanal (MIC 50–200 µg/mL), and 2,4-undecadienal (MIC 25–50 µg/mL), the last being the most active compound. …”
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Molecular annotation of ketol-acid reductoisomerases fromStreptomycesreveals a novel amino acid biosynthesis interlock mediated by enzyme promiscuity por Verdel Aranda, Karina, López Cortina, Susana, Hodgson, David A., Barona Gómez, Francisco

“…Here, we obtain steady-state enzyme kinetic parameters for 10 IlvC homologues from the genera Streptomyces and Corynebacterium, upon eight selected chemically diverse substrates, including some not normally recognized by enzymes of this superfamily. …”
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Detoxification of implant surfaces affected by peri-implant disease: an overview of non-surgical methods por Valderrama, Pilar, Blansett, Jonathan A., Gonzalez, Mayra G., Cantu, Myrna G., Wilson, Thomas G.

“…Combination protocols for non-surgical treatment of peri-implantitis in humans have shown some positive clinical results but long-term evaluation to evaluate the validity and reliability of the techniques is needed.…”
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On aerodynamics of baseball pitches: reconstruction of spinning throws, and a lift force model for the knuckleball por Aguirre López, Mario Alberto

“…On the other hand, there are some methods to reconstruct baseball trajectories, however, these methods do not usually deal with the movement equations, and if they do, its by knowing a lot of points of the real trajectory. …”
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Estimación de los niveles ambientales de formaldehido en clínicas de odontopediatría. por Villarreal González, Adela Andrea

“…ABSTRACT Introduction In any health profession, we are constantly obliged not only to ensure the health of our patients but also to value and ensure our health at all times, when we must ask ourselves if the materials we use for our routine treatments could cause us some adverse effect. objective Analyze the concentration of environmental formaldehyde levels in the postgraduate clinics of Pediatric Dentistry and Dental Modules. …”
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Schizophyllum commune : An unexploited source for lignocellulose degrading enzymes por Tovar Herrera, Omar Eduardo, Martha Paz, Adriana Mayrel, Pérez LLano, Yordanis, Aranda, Elisabet, Tacoronte Morales, Juan Enrique, Pedroso Cabrera, María Teresa, Arévalo Niño, Katiushka, Folch Mallol, Jorge Luis, Batista García, Ramón Alberto

“…In addition, a large number of protein- coding genes for glycoside hydrolases, oxidoreductases like laccases (Lacs; EC 1.10.3.2), as well as some sequences encoding for lytic polysaccharide monooxygenases (LPMOs) and expansins- like proteins demonstrate the potential of this fungus to be applied in different biotechnological process. …”
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Ley sobre accidentes en el trabajo de 1906: una legislación moderna para un sistema de justicia anquilosado = The Labor Accident Law of 1906: Modern Legislation for a Stagnant Just... por Rodríguez Castillo, Óscar Abraham

“…This project seeks to clear some doubts about this law’s application. In that sense, we used three cases of occupational accidents to show the following: the procedure followed by the injured worker, the parsimony of the civil courts to resolve these lawsuits, and finally, the resources used by the defense to not pay compensation. …”
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Mechanisms of insecticide resistance in field populations of Aedes aegypti (L) from Quintana Roo, Southern Mexico por Flores Suárez, Adriana Elizabeth, Salomón Grajales, Jaime, Fernández Salas, Ildefonso, Ponce García, Gustavo, Lozano Fuentes, Saúl, Black, William C., Brodgon, William

“…Elevated esterases suggest potential insecticide-resistance mechanisms against organophosphate, carbamate, and some pyrethroid insecticides. Slightly elevated levels of MFOs appeared in Lazaro Cardenas females and in Cozumel, Isla Mujeres, and Solidaridad males. …”
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Non-random distribution of biocrust in a natural arid environment in the northern mexican plateau por Gutiérrez, M., Pando Moreno, Marisela, Jurado, Enrique, González Rodríguez, Humberto, Marmolejo Monsiváis, José Guadalupe, Mendoza, D.

“…Biocrust, as photosynthetic organisms, has been considered to show an inversely proportional relationship with vascular plant cover. However, some studies report association and facilitation relationships between them. …”
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Spatial Microstructural Ordering of Expansive Clay Minerals por López Lara, T., Hernández Zaragoza, J. B., Carreón Freyre, D., Cerca, M., Rojas González, E., Minor Franco, A. G., Martínez Barrera, G., Salgado Delgado, R.

“…Sothis work studies the spatial microstructural ordering and mineralogy of different expanding clays in order to correlate them with some of their geotechnical properties (plasticity, classification, andexpansion).TheclaymicrostructurewasobtainedusingX-ray diffraction, and sweeping electronic microscopy. …”
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Reacción adversa a contraste no iodado por Palma Gomez, Samuel, González Díaz, Sandra Nora, Arias Cruz, Alfredo, Macías Weinmann, Alejandra, Amaro Vivian, Laura Elizabeth, Pérez Vanzzini, Rafael, Gutiérrez Mujica, José Julio, Young Rodríguez, Adrián

“…ABSTRACT Adverse reactions to drugs are relatively frequent in clinical practice, and some of them can be life threatening. Reactions to contrast material (CM) represent an important percentage of these adverse reactions. …”
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La educación holística desde una perspectiva humanista por López Arrillaga, César Enrique

“…El presente ensayo pretende aproximarse a los conceptos básicos de Educación Holística (Barrera, 2013) y un breve recorrido conceptual y de principales postulados de la teoría humanista considerada por el autor sobre la personalidad, (Carl, 1961), para establecer la posible aproximación teórica de la educación holística desde una perspectiva humanista en el encuentro de los postulados del Humanismo en la práctica docente que permita la humanización de la educación, centrada en los seres humanos tomando en cuenta sus capacidades, habilidades y destrezas, en pocas palabras un recorrido de algunos tópicos teóricos importante que coadyuvaran a construir una visión Hologogica en los docentes ABSTRACT This essay intends to approach the basic concepts of Holistic Education (Barrera, 2013) and a brief conceptual journey and main postulates of the humanist theory considered by the author on personality, (Carl, 1961), to establish the possible link of holistic education from a humanist perspective in the meeting of the postulates of Humanism in the teaching practice that allows the humanization of education, centered on human beings taking into account their abilities, abilities and skills, in a few words a tour of some important theoretical topics that will help build a vision of Hologogy in teachers…”
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Experimental data on the production and characterization of biochars derived from coconut-shell wastes obtained from the Colombian Pacific Coast at low temperature pyrolysis por Castilla Caballero, Deyler, Barraza Burgos, Juan, Gunasekaran, Sundaram, Roa Espinosa, Aicardo, Colina Márquez, José, Machuca Martínez, Fiderman, Hernández Ramírez, Aracely, Vázquez Rodríguez, Sofía

“…Production yields and some biochar properties such as particle size, Zeta Potential, elemental content (C, N, Al, B, Ca, Cu, Fe, K, Li, Mg, Mn, Na, P, S, Ti, Zn), BET surface area, FT-IR spectrum, XRD spectrum, and SEM morphology are presented. …”
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Depósito de películas ultradelgadas de óxido de zinc (ZnO) por ALD por Martínez G., Eduardo, Flores, José, Pérez Tijerina, Eduardo

“…Trough the topographical analysis developed by AFM, we have observed that roughness of the surface has a clear dependence with some of the experimental parameters as the exposure time with the precursors and the purge time in which the residues are removed. …”
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Nonferrous waste foundry sand and milling fly ash as alternative low mechanical strength materials for construction industry: effect on mortars at early ages por Vázquez Rodríguez, Francisco Javier, Valadez Ramos, Jaime Elihezer, Puente Ornelas, Rodrigo, Contreras, J. E., Arato, A., Rodríguez Castellanos, Edén Amaral

“…Microstructurally, it was found a porous cement matrix with some cracking caused by the reaction of portland cement with the metallic aluminum remaining in the waste sand, which is correlated to the low mechanical resistance obtained. …”
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Effect of Sawdust Particle Size on Physical, Mechanical, and Energetic Properties of Pinus durangensis Briquettes por Zepeda Cepeda, Christian Osvaldo, Goche Télles, José Rodolfo, Palacios Mendoza, Celina, Moreno Anguiano, Oswaldo, Núñez Retana, Víctor Daniel, Heya, Maginot Ngangyo, Carrillo Parra, Artemio

“…The objective of this research was to evaluate the effect of different particle sizes of sawdust in mixtures on some physical, mechanical, and energetic properties of briquettes made from Pinus durangensis sawdust, as well as set the ranges within the appropriate values found to obtain desired values. …”
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Corrosion Resistance of Hard Coat Anodized AA 6061 in Citric–Sulfuric Solutions por Cabral Miramontes, José Ángel, Gaona Tiburcio, Citlalli, Estupiñan López, Francisco Humberto, Lara Banda, María del Refugio, Zambrano Robledo, Patricia del Carmen, Nieves Mendoza, Demetrio, Maldonado Bandala, Erick, Almeraya Calderón, Facundo, Chacón Nava, José G.

“…Unfortunately, aluminum alloys are susceptible to corrosion, which limits their use in some corrosive environments. The aim of this work is to characterize hard coat film fabricated by anodizing in a citric–sulfuric acid system using electrochemical techniques. …”
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Electrochemical corrosion behavior of passivated precipitation hardening stainless steels for aerospace applications por Villegas Tovar, José Miguel, Gaona Tiburcio, Citlalli, Lara Banda, María del Refugio, Maldonado Bandala, Erick, Baltazar Zamora, Miguel Ángel, Cabral Miramontes, José Ángel, Nieves Mendoza, Demetrio, Olguín Coca, Javier, Estupiñan López, Francisco Humberto, Almeraya Calderón, Facundo

“…Citric acid does work as a passivating solution, and in some cases, the corrosion resistance of the stainless steel was comparable to that of nitric acid.…”
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Copper Induces Damage, Oxidative Stress and Cell Death in Endothelium of Chronic Intoxicated Wistar Rats por Fernández Rodarte, Bernardo Alfonso, Soto Domínguez, Adolfo, González Navarro, Alejandro, Mellado Ayala, Maximiliano, Piña Mendoza, Edgar, Rodríguez Rocha, Humberto, Montes de Oca Luna, Roberto, Guerra Leal, Jesús Dante

“…Reactive Oxygen Species (ROS) are part of the functional balance of various systems, they can generate cellular damage by oxidative stress associated with disease processes such as atherosclerosis, cardiovascular disease, diabetes, and aging. Some studies report that copper induces damage to the endothelium, which could be associated with cardiovascular pathologies. …”
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Effects of wetting and drying cycles on the germination of nine species of the Chihuahuan Desert por Contreras Quiroz, Mariana del Rocío, Pando Moreno, Marisela, Flores, Joel, Jurado, Enrique

“…These results indicate that at least some desert species germinate more and faster after single or multiple hydration-dehydration events showing the ability of those seeds to retain, during dehydration, the physiological changes produced from seed hydration.…”
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