Resultados de búsqueda - ((((nadie OR datos) OR lazos) OR ado) OR ((nlddado OR nllddaldo) OR (data OR caldo)))

Una propuesta metodológica para la evaluación del proceso de enseñanza-aprendizaje en un ambiente virtual (A methodologica proposal to evaluate teaching-learning process in a vi... por Fernández, F., Torrealba, J.C., Pineda, O., Tijerina, A.

“…This article provides a methodological proposal oriented to optimize the assessment process of a student performance on an on line environment through the application of group communication techniques (advisor-student, student-advisor, studentstudent, student-chat and so on) and widespread use of the new technologies on information and telecommunication as basic tools, based one the process follow-up and statistical data collection from the student´s learning performance and behaviour to enable the construction of significant and reliable indexes thus allowing the advisor a diagnostic on the student´s attitude and performance, allowing him to take on time the adequate preventive/corrective decision measures based on a success/failure tests outputs from the student performance, on a day- to- day basis, on the line environment.Resumen. …”
Enlace del recurso

Epidemiology of fragile skin: Internet-based surveys in Mexico and Russia por Ocampo Candiani, Jorge, Murashkin, Nikolay, Zkik, Asmaa, Saint Aroman, Markéta, Wolkenstein, Pierre

“…There are currently limited epidemiological data on the prevalence of fragile skin in adults. …”
Enlace del recurso

Use of complementary and alternative medicine by patients with hematological diseases: experience at a university hospital in northeast Mexico por Jaime Pérez, José Carlos, Chapa Rodríguez, Adrián, Rodríguez Martínez, Marisol, Colunga Pedraza, Perla Rocío, Marfil Rivera, Luis Javier, Gómez Almaguer, David

“…Although there is information on unconventional practices in oncological diseases, specific data regarding the use of complementary and alternative medicine by hematology patients is scarce. …”
Enlace del recurso

Flourensia cernua: Hexane Extracts a Very Active Mycobactericidal Fraction from an Inactive Leaf Decoction against Pansensitive and Panresistant Mycobacterium tuberculosis por Molina Salinas, Gloria María, Peña Rodríguez, Luis Manuel, Mata Cárdenas, Benito David, Escalante Erosa, Fabiola, González Hernández, Silvia, Torres de la Cruz, Víctor Manuel, Martínez Rodríguez, Herminia Guadalupe, Said Fernández, Salvador

“…The results of which were expressed as absolute mycobactericidal activity (AMA). These data were normalized to the ΣAMA of the decoction fraction set. …”
Enlace del recurso

Mycetoma: experience of 482 cases in a single center in Mexico por Bonifaz, Alexandro, Tirado Sánchez, Andrés, Calderón, Luz, Saúl, Amado, Araiza, Javier, Hernández, Marco, González González, Gloria María, Ponce, Rosa María

“…In this retrospective study we report epidemiologic, clinical and microbiologic data of mycetoma observed in the General Hospital of Mexico in a 33 year-period (1980 to 2013). …”
Enlace del recurso

Evaluation of a community-based trapping program to collect simulium ochraceum sensu lato for verification of onchocerciasis elimination por Mutuku, Francis, Rodríguez Pérez, Mario Alberto, Adeleke, Monsuru Adebayo, Rodríguez Luna, Isabel C., Cupp, Eddie W., Unnasch, Thomas R.

“…Conclusions/Significance: These data demonstrate that Esperanza Window Traps may be effectively operated by minimally trained residents of formerly endemic communities, resulting in the collection of sufficient numbers of flies to verify transmission interruption of onchocerciasis. …”
Enlace del recurso

Social Factors Contributing to the Development of Allostatic Load in Older Adults: A Correlational- Predictive Study por Morales Jinez, Alejandro, Gallegos Cabriales, Esther Carlota, D'Alonzo, Karen T., Ugarte Esquivel, Alicia, López Rincón, Francisco J., Salazar González, Bertha Cecilia

“…The instruments used were sociodemographic data, the perceived family relationships instrument, the Medical Outcomes Study-Social Support Survey and the abbreviated version of the Neighborhood Environment Walkability Scale. …”
Enlace del recurso

Psychological, interpersonal, and clinical factors predicting time spent on physical activity among Mexican patients with hypertension por Ybarra Sagarduy, José Luis, Camacho Mata, Dacia Yurima, Moral de la Rubia, José, Piña López, Julio Alfonso, Yunes Zárraga, José Luis Masud

“…The final model shows a good fit to the sample data (pBS =0.235, χ2/gl =1.519, Jöreskog and Sörbom’s Goodness of Fit Index =0.987, adjusted modality =0.962, Bollen’s Incremental Fit Index =0.981, Bentler-Bonett Normed Fit Index =0.946, standardized root mean square residual =0.053). …”
Enlace del recurso

Cortisol y estrés-recuperación durante un periodo competitivo en jugadores de balonmano por Reynoso Sánchez, Luis Felipe, Hoyos Flores, José Raúl, García Dávila, Myriam Zaraí, Rosas Taraco, Adrián Geovanni, Jaenes Sánchez, José Carlos, López Walle, Jeanette M., Hernández Cruz, Germán

“…Fourteen handball players took part in the study during a major competition. Data were collected from six blood samples in order to measure cortisol, and from four applications of the RESTQ-Sport for stress-recovery balance assessment. …”
Enlace del recurso

Validity and reliability of the Mexican resilience measurement scale in families of children with chronic conditions por Toledano Toledano, Filiberto, Moral de la Rubia, José, McCubbin, Laurie D., Liebenberg, Linda, Vera Jiménez, Jesús Alejandro, Rivera Rivera, Leonor, Hart, Angie, Barajas Nava, Leticia Andrea, Salazar García, Marcela, Martínez Valverde, Silvia, Rivera Aragón, Sofía, Sánchez Gómez, Concepción, Villavicencio Guzmán, Laura, Granados García, Victor, Garduño Espinosa, Juan

“…Results: The expected five-factor model showed an adequate fit with the data based on a maximum likelihood test. The internal consistency for each factor ranged from .76 to .93, and the global internal consistency was .95. …”
Enlace del recurso

Atmospheric Levels of Benzene and C1-C2 Carbonyls in San Nicolas de los Garza, Nuevo Leon, Mexico: Source Implications and Health Risk por Cerón Bretón, Julia Griselda, Cerón Bretón, Rosa María, Kahl, Jonathan D.W., Lara Severino, Reyna del Carmen, Ramírez Lara, Evangelina, Espinosa Fuentes, María de la Luz, Rangel Marrón, Marcela, Uc Chi, Martha Patricia

“…Principal component analysis (PCA) analysis revealed that photochemical activity influenced benzene and carbonyl levels during summer and that benzene was associated with vehicular traffic emissions during autumn and winter, showing good correlation with CO. Meteorological data showed that measured VOCs were influenced by regional sources. …”
Enlace del recurso

Epidemiology of fragile skin: Internet-based surveys in Mexico and Russia por Ocampo Candiani, Jorge, Murashkin, Nikolay, Zkik, Asmaa, Saint Aroman, Markéta, Wolkenstein, Pierre

“…There are currently limited epidemiological data on the prevalence of fragile skin in adults. …”
Enlace del recurso

Successful β cells islet regeneration in streptozotocin-induced diabetic baboons using ultrasound-targeted microbubble gene therapy with cyclinD2/CDK4/GLP1 por Shuyuan Chen, Raúl A., Bastarrachea, Raúl A., Voruganti, Venkata Saroja, Frost, Patrice A., Nava González, Edna Judith, Arriaga Cazarez, Jixji Chen, Huang, Pintong, DeFronzo, Ralph A., Comuzzie, Anthony G., Garyburn, Paul A.

“…We were able to generate important preliminary data indicating that gene therapy by UTMD can achieve in vivo normalization of the intravenous (IV) glucose tolerance test (IVGTT) curves in STZ hyperglycemic-induced conscious tethered baboons. …”
Enlace del recurso

Self-Determined Motivation and Competitive Anxiety in Athletes/Students: A Probabilistic Study Using Bayesian Networks por Ponseti, Francisco Javier, Almeida, Pedro L., Lameiras, Joao, Martins, Bruno, Olmedilla, Aurelio, López Walle, Jeanette M., Reyes, Orlando, García Mas, Alexandre

“…Methods: Regarding the data analysis, firstly, classification using the CHAID algorithm was carried out to determine the dependence links between variables; Secondly, a BN was developed to reduce the uncertainty in the relationships between the two key psychological variables. …”
Enlace del recurso

CTLA4 +49AG (rs231775) and CT60 (rs3087243) gene variants are not associated with alopecia areata in a Mexican population from Monterrey Mexico por Salinas Santander, Mauricio Andrés, Cantú Salinas, Cristina Susana, Ocampo Candiani, Jorge, Suarez Valencia, Victor de Jesus, Ramirez Guerrero, Jennifer Guadalupe, Sánchez Domínguez, Celia Nohemí

“…Results: No statistical difference was observed for either of the gene variants regarding allele or genotype frequencies between AA patients and the controls when the parameters of family/personal history of autoimmune diseases or gender were considered (p > 0.05).Study limitations: Small sample size of patients and the data were obtained from NortheastMexico population.Conclusion: The genetic variants rs231775 and rs3087243 of the CTLA4 gene are not a risk factorfor the development of alopecia areata in the analyzed Mexican population…”
Enlace del recurso

Baricitinib plus dexamethasone compared to dexamethasone for the treatment of severe COVID-19 pneumonia: A retrospective analysis por Pérez Alba, Eduardo, Nuzzolo Shihadeh, Laura Marina, Aguirre García, Gloria Mayela, Espinosa Mora, Jaime Eugenio, Lecona García, Juan Diego, Flores Pérez, Rómulo Omar, Mendoza Garza, Marisela, Camacho Ortiz, Adrián

“…Methodology: We performed a retrospective comparative study. Data from hospitalized patients with severe COVID-19 pneumonia (saturation <93%, bilateral pulmonary infiltrates) thatwere treated with baricitinib plus dexamethasone or dexamethasone were collected. …”
Enlace del recurso

Two New Dihydrosphingosine Analogs Against Mycobacterium tuberculosis Affect gltA1, lprQ, and rpsO Expression por Peñuelas Urquides, Katia, Bermúdez de León, Mario, Silva Ramírez, Beatriz, Castorena Torres, Fabiola, Molina Salinas, Gloria María, Castro Garza, Jorge Enrique, Becerril Montes, Pola, Del Olmo, Esther, San Feliciano, Arturo, González Escalante, Laura Adiene, Villarreal Treviño, Licet, Said Fernández, Salvador

“…The aim of this study was to evaluate the effect of UCI exposure on gene expression of drug-sensitive H37Rv and MDR CIBIN:UMF:15:99 clones of M. tuberculosis which were isolated, phenotypically, and genetically characterized, cultured to log phase and treated with UCI compounds; followed by total RNA isolation, reverse transcription and hybridization assays on Affymetrix genomic microarrays. Data were validated with RT-qPCR assays. As results, UCI-05 and UCI-14 exposure increased gltA1 expression in drug-sensitive H37Rv clones. …”
Enlace del recurso

Corrosion resistance of multilayer coatings deposited by PVD on inconel 718 using electrochemical impedance spectroscopy technique por Gaona Tiburcio, Citlalli, Montoya Rangel, Marvin, Cabral Miramontes, José Ángel, Estupiñan López, Francisco Humberto, Zambrano Robledo, Patricia del Carmen, Orozco Cruz, Ricardo, Chacón Nava, José G., Baltazar Zamora, Miguel Ángel, Almeraya Calderón, Facundo

“….% H2SO4 solutions. The EIS data acquired were curve fitted and analysed by equivalent circuit models to calculate the pore resistance, the charge transfer resistance and the capacitance. …”
Enlace del recurso

Electrochemical Noise Measurements of Advanced High-Strength Steels in Different Solutions por Montoya Rangel, Marvin, Garza Montes de Oca, Nelson Federico, Gaona Tiburcio, Citlalli, Colás Ortíz, Rafael, Cabral Miramontes, José Ángel, Nieves Mendoza, Demetrio, Maldonado Bandala, Erick, Chacón Nava, José G., Almeraya Calderón, Facundo

“…The direct current (DC) trend data from EN were removed by a polynomial method of statistical and spectral analysis. …”
Enlace del recurso

Historical and current spatial modeling of the sacred fir (Abies religiosa [Kunth] Schltdl. & Cham.) in the Trans-Mexican Volcanic Belt por Manzanilla Quiñones, Ulises, Martínez Adriano, Cristian Adrián, Aguirre Calderón, Oscar Alberto

“…The distribution models were generated in MaxEnt using 75 % of the data for training and 25 % for validation. The most important variables of each period were determined with the Jackknife test. …”
Enlace del recurso