A5017336948- Higher Education and Sustainability
- Spanish Linguistics and Language Studies
- E-Learning and Knowledge Management
- Science, Technology, and Education in Latin America
- Literacy and Educational Practices
- Urban, Neighborhood, and Segregation Studies
- Traditional and Medicinal Uses of Annonaceae
- Journalism and Media Studies
- Banana Cultivation and Research
- University-Industry-Government Innovation Models
- Organizational Management and Innovation
- International Relations in Latin America
- Cocoa and Sweet Potato Agronomy
- Plant and animal studies
- Advertising and Communication Studies
- History and Politics in Latin America
- Social Skills and Education
- Educational Innovations and Technology
- Pacific and Southeast Asian Studies
- Linguistic Studies and Language Acquisition
- Latin American history and culture
- Collaboration in agile enterprises
- Food, Nutrition, and Cultural Practices
- Urban Planning and Governance
- Social impacts of COVID-19
Hospital Vargas
2024
University of California, Merced
2022-2023
Federico Villarreal National University
2020
Autonomous University of Yucatán
2009-2019
Universidad Rafael Belloso Chacín
2010-2014
Secretaría de Investigación, Innovación y Educación Superior
2012
Centre National de la Recherche Scientifique
2011
Universidad de Oriente
2003
Fundación Ciencias Exactas y Naturales
2001
Consejo Nacional de Investigaciones Científicas y Técnicas
2001
Para determinar la prevalencia de Blastocystis hominis en una muestra vendedores ambulantes comida, aparentemente sanos, se realizó un estudio seccional con 415 personas que acudieron al Ambulatorio Urbano tipo III "Manoa" (Municipio Caroní, Estado Bolívar, Venezuela), Programa Higiene del Adulto, a solicitar el certificado salud para trabajar como comida. Una heces obtenida por evacuación espontánea fue analizada mediante técnica examen directo y método concentración Willis. Se encontraron...
La investigación se propone despertar el interés de la comunidad académica sobre los efectos pandemia del COVID-19 en educación universitaria país a través análisis aislamiento social y trabajo remoto. enfrenta un nuevo escenario: sobrevivir o someterse ella aprendizaje remoto convierte una nueva estrategia para que nuestros estudiantes continúen con su formación profesional. UNESCO señala según sus cálculos son más 1,500 millones alumnos mundo, caso Perú cerca 10 millones, confinados...
Many plant and animal species have been domesticated in southeastern Mexican homegardens, resulting changes their genetic variability. One of the most representative fruit trees these systems is Annona squamosa L. We wanted to know if predominant type economic activity a given area affects distribution variability A. squamosa. In order answer this question, we analyzed 14 populations 5 different socioeconomic regions states Yucatán Quintana Roo, using isozyme analysis. All enzyme markers...
The "broken windows" hypothesis has led to millions of citizen/police encounters through aggressive enforcement minor infractions. Despite extensive research on the relationship between broken windows and crime, there is less whether police officers focus areas with windows, few studies that exist have mixed findings. Another set finds high levels policing in gentrifying neighbourhoods. On one hand, then, show more neighbourhoods visible signs disorder as departments adhere tenets would be...
Researchers have found that gentrification is less likely in Black neighborhoods than White or Latinx neighborhoods, and looks different neighborhoods. For example, researchers experience marginal gentrification—changes the educational level but not income of residents. This study uses Census National Historical Geographic Information System (NHGIS) data to explore relationship between racial change Washington, DC 2000 2019. We measure using four distinct related measures: home value, rent,...
La hipertensión arterial (HTA) es una enfermedad crónica caracterizada por un incremento continuo de las cifras la presión sanguínea encima los límites sobre cuales aumenta el riesgo cardiovascular. El objetivo del presente trabajo fue determinar prevalencia, y factores entre usuarios Ambulatorio Rural Tipo I “Dr. Alfredo Marín” en Comunidad Jóvito Villalba, Apostadero, Municipio Maneiro, durante período Mayo – Julio 2023. Metodología: Consistió estudio cuantitativo, corte transversal,...
Abstract The gastrointestinal content analysis of 344 invasive rodents (120 black rats and 224 house mice) in two Mayan communities revealed that consumed a high percentage plants (93.3%) arthropods (95.5%). In contrast, were less frequent (55.8%) than (94.6%) mouse’s diet. both rodent species, fragments Sapotaceae Hymenoptera common plant arthropod foods, respectively. Our results suggest the food availability present is similar to one described natural habitats.
The effect of Pb2+ on growth, tetrapyrrole photosynthetic pigment content, total free porphyrin, and 5-aminolevulinate dehydratase (ALA-D) activity a cyanobacterium, Microchaete tenera, its ability to sequester from the culture medium were studied. was assayed by graphite furnace atomic absorption spectrophotometry. M. tenera growth chlorophyll content not affected 0.5, 1.0, 6.0 ppm Pb2+. These treatments doubled protein increased phycobiliprotein four times after 7 days. ALA-D decreased in...