Search Results - "Hernández, Luis J."

Improving aboveground biomass maps of tropical dry forests by integrating LiDAR, ALOS PALSAR, climate and field data by Hernández-Stefanoni, J. Luis, Castillo-Santiago, Miguel Ángel, Mas, Jean Francois, Wheeler, Charlotte E., Andres-Mauricio, Juan, Tun-Dzul, Fernando, George-Chacón, Stephanie P., Reyes-Palomeque, Gabriela, Castellanos-Basto, Blanca, Vaca, Raúl, Dupuy, Juan Manuel

“…Background Reliable information about the spatial distribution of aboveground biomass (AGB) in tropical forests is fundamental for climate change mitigation…”
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Prevalence of SARS-CoV-2 infection and SARS-CoV-2-specific antibody detection among healthcare workers and hospital staff of a university hospital in Colombia by Caballero, Nohemí, Nieto, María A., Suarez-Zamora, David A., Moreno, Sergio, Remolina, Camila I., Durán, Daniela, Vega, Daniela, Rodríguez-Urrego, Paula A., Gómez, Claudia P., Rojas, Diana P., Ramírez, Andrea, Martínez, Oscar, Baldión-Elorza, Ana M., Hernández, Luis J., Quintero, Juliana

“…•The prevalence of SARS-CoV-2 infection among hospital workers in a Colombian university hospital was low.•The presence of antibodies against the virus was…”
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Combining LiDAR data and airborne imagery of very high resolution to improve aboveground biomass estimates in tropical dry forests by Reyes-Palomeque, Gabriela, Dupuy, Juan Manuel, Johnson, Kristofer D, Castillo-Santiago, Miguel Angel, Hernández-Stefanoni, J Luis

“…Knowledge of the spatial distribution of aboveground biomass (AGB) is crucial to guide forest conservation and management to maintain carbon stocks. LiDAR has…”
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Patient characteristics and pregnancy outcomes among Zika‐infected pregnant women: Epidemiologic surveillance data from two cities in Colombia, 2015–2016 by Ocampo Cañas, Jovana A., Caviedes Combita, David, Molina Leon, Helvert F., Garcia Sierra, Andrés M., Hernández Florez, Luis J.

“…Objectives To describe the characteristics of pregnant women infected with Zika virus in two representative regions of Colombia, examine their pregnancy…”
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Design of a haptic system for medical image manipulation using augmented reality by Hernández-Sierra, Luis J., Mendoza-Gutiérrez, Marco O., Mejía-Rodríguez, Aldo R.

“…This work discusses the development of an augmented reality (AR) interface that allows users to manipulate 3D anatomical structures (segmented and…”
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A Biological Approach for the Synthesis of Bismuth Nanoparticles: Using Thiolated M13 Phage as Scaffold by Vera-Robles, L. Irais, Escobar-Alarcón, Luis, Picquart, Michel, Hernández-Pozos, J. Luis, Haro-Poniatowski, Emmanuel

“…We report the synthesis of Bi nanoparticles (Bi NPs) using the M13 phage as scaffold. The p8 protein of the phage is functionalized with thiol groups of…”
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Influence of landscape structure and stand age on species density and biomass of a tropical dry forest across spatial scales by Hernández-Stefanoni, J. Luis, Dupuy, Juan Manuel, Tun-Dzul, Fernando, May-Pat, Filogonio

“…Three central related issues in ecology are to identify spatial variation of ecological processes, to understand the relative influence of environmental and…”
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Enfermedad periodontal: enfoques epidemiológicos para su análisis como problema de salud pública by Pardo Romero, Fredy F., Hernández, Luis J.

“…La forma como los problemas de salud son definidos permiten desarrollos conceptuales y metodológicos diferentes, lo cual conduce a determinados resultados y a…”
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Influence of the multiplicity of the roots on the basins of attraction of Newton’s method by Gutiérrez, José M., Hernández-Paricio, Luis J., Marañón-Grandes, Miguel, Rivas-Rodríguez, M. Teresa

“…In this work, we develop and implement two algorithms for plotting and computing the measure of the basins of attraction of rational maps defined on the…”
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Demographic Drivers of Aboveground Biomass Dynamics During Secondary Succession in Neotropical Dry and Wet Forests by Rozendaal, Danaë M. A., Chazdon, Robin L., Arreola-Villa, Felipe, Balvanera, Patricia, Bentos, Tony V., Dupuy, Juan M., Hernández-Stefanoni, J. Luis, Jakovac, Catarina C., Lebrija-Trejos, Edwin E., Lohbeck, Madelon, Martínez-Ramos, Miguel, Massoca, Paulo E. S., Meave, Jorge A., Mesquita, Rita C. G., Mora, Francisco, Pérez-García, Eduardo A., Romero-Pérez, I. Eunice, Saenz-Pedroza, Irving, van Breugel, Michiel, Williamson, G. Bruce, Bongers, Frans

“…The magnitude of the carbon sink in second-growth forests is expected to vary with successional biomass dynamics resulting from tree growth, recruitment, and…”
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Graphical representations for the homogeneous bivariate Newton’s method by García Calcines, José M., Gutiérrez, José M., Hernández Paricio, Luis J., Rivas Rodríguez, M. Teresa

“…In this paper we propose a new and effective strategy to apply Newton’s method to the problem of finding the intersections of two real algebraic curves, that…”
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Assessing species density and abundance of tropical trees from remotely sensed data and geostatistics by Hernández-Stefanoni, J. Luis, Dupuy, Juan Manuel, Castillo-Santiago, M. Angel

“…Question: What relationships exist between remotely sensed measurements and field observations of species density and abundance of tree species? Can these…”
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Effects of landscape patterns on species density and abundance of trees in a tropical subdeciduous forest of the Yucatan Peninsula by Hernández-Stefanoni, J. Luis, Dupuy, Juan Manuel

“…Most studies of the effects of fragmentation and landscape patterns on plant communities focus on particular patches and on local species richness…”
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Knowledge, attitudes and practices of prevention for cervical cancer and breast cancer among medical students by Rodríguez-Feria, Pablo, Hernández-Flórez, Luis J, Rodríguez-Feria, Daniela

“…Objective To assess the knowledge, attitudes and practices of medical students for health promotion, primary prevention and early detection of breast neoplasm…”
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Factores de riesgo para enfermedad respiratoria en población de 5 a 14 años de una localidad de Bogotá, 2012-2013 by SarmientoSuarez, Rodrigo, Martínez-Morales, Viviana, Medina-Palacios, Katalina, Hernández, Luis J, Rodríguez-Moreno, Natalia

“…Objetivo Establecer la prevalencia de síntomas respiratorios, asma y rinitis, posiblemente asociados a la contaminación del aire en niños entre 5 y 14 años, en…”
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Mapping species density of trees, shrubs and vines in a tropical forest, using field measurements, satellite multiespectral imagery and spatial interpolation by Hernández-Stefanoni, J. Luis, Dupuy, Juan Manuel

“…We estimated the number of species in a tropical forest landscape in Quintana Roo, Mexico, based on the relationship between reflectance values of satellite…”
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Aplicación de la metodología de las “Fuerzas Motrices” y el modelo OMS de Determinantes Sociales de la Salud tomando como ejemplo la Criptosporidiosis en Colombia by Hernández-Gallo, Nicolás, Hernández-Flórez, Luis Jorge, Cortés-Vecino, Jesús Alfredo

“…Objetivos Analizar la relación que existe entre la contaminación de agua por ooquistes de Cryptosporidium spp. y los efectos en la salud de las poblaciones…”
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Relationships between landscape patterns and species richness of trees, shrubs and vines in a tropical forest by Hernandez-Stefanoni, J.L

“…The present study aims to identify and characterize the relationships among landscape structure and plant diversity in a tropical landscape forest in Quintana…”
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Combining high resolution satellite imagery and lidar data to model woody species diversity of tropical dry forests by George-Chacon, Stephanie P., Dupuy, Juan Manuel, Peduzzi, Alicia, Hernandez-Stefanoni, J. Luis

“…•Plant species richness and diversity were estimated from high resolution imagery and LiDAR.•Image texture measures were used as indicators of habitat…”
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Criptosporidiosis y «Una Salud by Hernández-Gallo, Nicolás, Hernández-Flórez, Luis Jorge, Cortés-Vecino, Jesús Alfredo

“…Criptosporidiosis es una enfermedad diarreica (zoonótica) causada por el parásito Cryptosporidium, el cual infecta al intestino. Se producen tanto en el ser…”
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