Results 41 to 50 of about 435,317 (249)

Between uncertainty and opportunity: Companies in times of Covid-19 in Veracruz and Oaxaca, Mexico

Entreciencias: Diálogos en la Sociedad del Conocimiento, 2022
Purpose: To identify organizational and technological reactions of companies in the Mexican states of Oaxaca and Veracruz with regards to the COVID-19 crisis.  Methodological design: This is a quantitative and cross-sectional study. The information was
Humberto García Jiménez, Elena Moreno García, Álvaro Bracamonte Sierra   +2 more
doaj   +1 more source

Reference values of amino acids, acylcarnitines and succinylacetone by tandem mass spectrometry for use in newborn screening in southwest Colombia

Colombia Médica, 2017
Introduction: Inborn errors of metabolism (IEM) represent an important public health problem due to current diagnosis and treatment limitations, poor life quality of affected patients, and consequent untimely child death. In contrast to classical methods,
N. Cespedes, A. Valencia, C. Echeverry, M. Arce-Plata, C. Colón, D. Castiñeiras, Paula M. Hurtado, J. Cocho, S. Herrera, M. Arévalo-Herrera   +9 more
semanticscholar   +1 more source

El papel de la comunicación en la búsqueda de la identidad en la etapa adolescente. Adolescencia: Identidad y Comunicación

Vivat Academia, 2010
En el presente trabajo se analiza un fenómeno que puede presentarse durante la adolescencia, al cual se le ha denominado “Una adolescencia sin otredad”, en donde por momentos el adolescente parece visualizarse en una dinámica y feroz lucha por su ...
Javier Sierra Sánchez, Pedro Octavio Reyes Enríquez, Miguel Ángel Córdoba Zamudio   +2 more
doaj   +1 more source

Proteomic Analysis in Morquio A Cells Treated with Immobilized Enzymatic Replacement Therapy on Nanostructured Lipid Systems

International Journal of Molecular Sciences, 2019
Morquio A syndrome, or mucopolysaccharidosis type IVA (MPS IVA), is a lysosomal storage disease due to mutations in the N-acetylgalactosamine-6-sulfatase (GALNS) gene.
J. V. Alvarez, S. Bravo, María García-Vence, María J. De Castro, A. Luzardo, C. Colón, S. Tomatsu, Francisco J. Otero-Espinar, María-Luz Couce   +8 more
semanticscholar   +1 more source

The written document and the royal seal in the Indies: the use of the document as a power strategy [PDF]

, 2015
El documento escrito y, muy especialmente, el sello real han sido instrumentos utilizados por los reyes para comunicar y difundir a sus súbditos los más diversos negocios y voluntades.
Gómez Gómez, Margarita
core   +8 more sources

Experimental and Theoretical Electron Collision Broadening Parameters for Several Ti II Spectral Lines of Industrial and Astrophysical Interest

Atoms
A Q-switched Nd:YAG laser was focused on the Pb–Ti alloy samples in several laser-induced breakdown experiments in order to measure the Stark parameters of several spectral lines (58) of singly ionized titanium, including the 3504.89 Å and 3510.83 Å ...
L. Isidoro-García, I. de Andrés-García, Juan Porro, F. Fernández, Cristóbal Colón   +4 more
semanticscholar   +1 more source

Theoretical Study of Transition Probabilities and Stark Broadening Parameters and of Several Spectral Lines with Astrophysical Interest of Double-ionized Thallium

Astrophysical Journal, 2019
Leckrone et al. reported the presence of double-ionized thallium (Tl iii) in the stellar atmosphere of the chemically peculiar star, χ Lupi, in 1999. Two spectral lines at 1332.3 and 1558.6 Å were detected in its stellar spectrum.
I. de Andrés-García, C. Colón-Ruiz, C. Colón   +2 more
semanticscholar   +1 more source

Estudio empírico para determinar el nivel de ansiedad hacia la matemática en estudiantes universitarios.

INFAD, 2016
Los conocimientos matemáticos son de suma importancia en la vida de las personas, por lo tanto en la actualidad es necesario entender y hacer buen uso de las matemáticas en la vida diaria.
Arturo García Santillán, Milka Elena Escalera Chávez, Josefina Carmen Santana Villegas, Bertha Yolanda Guzmán Rivas   +3 more
doaj   +1 more source

Morquio A Syndrome: Identification of Differential Patterns of Molecular Pathway Interactions in Bone Lesions

International Journal of Molecular Sciences
Mucopolysaccharidosis type IVA (MPS IVA; Morquio A syndrome) is a rare autosomal recessive lysosomal storage disease (LSD) caused by deficiency of a hydrolase enzyme, N-acetylgalactosamine-6-sulfate sulfatase, and characterized clinically by mainly ...
J. V. Alvarez, S. Bravo, M. P. Chantada-Vázquez, Carmen Pena, Cristóbal Colón, Shunji Tomatsu, Francisco J Otero-Espinar, M. Couce   +7 more
semanticscholar   +1 more source

Anxiety about Mathematics among Economics Students in Mexico

Mathematics, 2019
Anxiety about mathematics is a phenomenon that occurs regardless of age, gender, or area of professional study. This research provides an overview of this phenomenon in Mexico, as experienced by undergraduate students in economics, a science that ...
Elena Moreno-García, Arturo García-Santillán, Némesis Larracilla Salazar, Milka Elena Escalera-Chávez   +3 more
doaj   +1 more source