Repositorio UMAYOR: Envíos recientes
Mostrando ítems 461-480 de 7669
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High-accuracy detection of supraspinatus fatty infiltration in shoulder MRI using convolutional neural network algorithms
(FRONTIERS MEDIA SA, 2023-05-25)BackgroundThe supraspinatus muscle fatty infiltration (SMFI) is a crucial MRI shoulder finding to determine the patient's prognosis. Clinicians have used the Goutallier classification to diagnose it. Deep learning algorithms ... -
The integrated stress response is activated in the salivary glands of Sjogren's syndrome patients
(FRONTIERS MEDIA SA, 2023-03-23)IntroductionPrimary Sjogren's syndrome (SS) is an autoimmune exocrinopathy that affects the structure and function of salivary and lachrymal glands. Labial salivary gland (LSG) acinar cells from SS patients lose cellular ... -
Corrigendum: Unraveling patient heterogeneity in complex diseases through individualized co-expression networks: a perspective (vol 14, 1209416, 2023)
(FRONTIERS MEDIA SA, 2023-09-21)Sin resumen. -
Unraveling patient heterogeneity in complex diseases through individualized co-expression networks: a perspective
(FRONTIERS MEDIA SA, 2023-08-10)This perspective highlights the potential of individualized networks as a novel strategy for studying complex diseases through patient stratification, enabling advancements in precision medicine. We emphasize the impact ... -
Environmental signature and health risk assessment of polybrominated diphenyl ethers (PBDEs) emitted from a landfill fire in Santiago de Chile
(ELSEVIER SCI LTD, 2023-08-01)Polybrominated diphenyl ethers (PBDEs) have been used as flame retardants in building materials, electronics, furnishings, vehicles, airplanes, plastics, polyurethane foams, and textiles for many years. Currently, the ... -
Continuous bioreactors enable high-level bioremediation of diesel-contaminated seawater at low and mesophilic temperatures using Antarctic bacterial consortia: Pollutant analysis and microbial community composition
(ELSEVIER SCI LTD, 2023-03-15)In 2020, more than 21,000 tons of diesel oil were released accidently into the environment with most of it contaminating water bodies. There is an urgent need for sustainable technologies to clean up rivers and oceans to ... -
Assessment of Bio-Compounds Content, Antioxidant Activity, and Neuroprotective Effect of Red Cabbage (Brassica oleracea var. Capitata rubra) Processed by Convective Drying at Different Temperatures
(MDPI, 2023-09)Parkinson's disease (PD) is the second most common neurodegenerative disorder, and no efficient therapy able to cure or slow down PD is available. In this study, dehydrated red cabbage was evaluated as a novel source of ... -
Aging Hallmarks and the Role of Oxidative Stress
(MDPI, 2023-03)Aging is a complex biological process accompanied by a progressive decline in the physical function of the organism and an increased risk of age-related chronic diseases such as cardiovascular diseases, cancer, and ... -
Wild Floral Visitors Are More Important Than Honeybees as Pollinators of Avocado Crops
(MDPI, 2023-08-12)Wild insects provide pollination services in agroecosystems. Avocado is an economically important crop grown in the Chilean Mediterranean climate region and exported worldwide. Avocado pollination is managed using honeybee ... -
Crop-Specific Effects on Pan-Trap Sampling of Potential Pollinators as Influenced by Trap Color and Location
(MDPI, 2023-03-20)Characterizing insect communities in pollinator-dependent crops helps determine the potential pollinator effectiveness and their effects on crop yield. Few studies have examined pollinator communities and their services ... -
Formación Inicial Docente en Educación Física, paradigmas de la formación desde la percepción del formador de formadores, lineamientos ministeriales y mallas curriculares: estudio de caso
(FEDERACION ESPANOLA ASOC DOCENTES EDUCACION FISICA-FEADEF, 2023-07-21)La presente investigación presentó un análisis de elementos que norman e interactúan con la Formación Inicial Docente (FID) en Pedagogía en Educación Física (PEF) con el objetivo de conocer mediante un estudio de caso ... -
Nivel de actividad física y estrés académico percibido por estudiantes universitarios del área de salud durante el periodo de exámenes
(FEDERACION ESPANOLA ASOC DOCENTES EDUCACION FISICA-FEADEF, 2023-05-24)Introducción: La práctica regular de actividad física (AF) es reconocida por su efecto en la salud. Durante, la formación universitaria, surge la sobrecarga académica. Los objetivos de este estudio son 1). Determinar las ... -
Efectos de intervenciones sobre las habilidades motoras fundamentales y actividad física en preescolares: revisión sistemática
(FEDERACION ESPANOLA ASOC DOCENTES EDUCACION FISICA-FEADEF, 2023-03-11)Preescolares con mayor desarrollo de habilidades motoras fundamentales (HMF) se relaciona con mayor tiempo en actividad física (AF). Sin embargo, se sabe poco acerca de si la participación después de una intervención provoca ... -
Aprendizaje basado en investigación para el fortalecimiento de la formación inicial docente en pedagogía en educación física
(FEDERACION ESPANOLA ASOC DOCENTES EDUCACION FISICA-FEADEF, 2023)La sistematización de la presente experiencia pedagógica explica la implementación de un programa piloto de Aprendizaje Basado en Investigación (ABI) en el proceso de Formación Inicial Docente (FID) del Profesorado de ... -
Editorial: Impacts of climate change on long term viability of tree species with recalcitrant seeds
(FRONTIERS MEDIA SA, 2023-08-07)Sin resumen. -
Suitability of band angle indices for burned area mapping in the Maule Region (Chile)
(FRONTIERS MEDIA SA, 2023-01-04)In January 2017, 114 active fires burned throughout Chile at the same time. These fires spread quickly due to high temperatures, fast dry winds, and low vegetation water content. The fire events burned more than 570,000 ... -
Occurrence, source estimation, and risk assessment of Polycyclic Aromatic Hydrocarbons in coastal seawaters from the Quintero Industrial Complex (Valparaiso, Chile)
(ELSEVIER, 2023-06-20)In the 1960s, the Quintero industrial complex was inaugurated in Chile. This began a history of dramatic anthropo-genic impacts on the Chilean coast. Among the known, we could mention high atmospheric emissions of chemicals ... -
Climate variability of the southern Amazon inferred by a multi-proxy tree-ring approach using Cedrelafissilis Vell
(ELSEVIER, 2023-02-01)The analysis of climate variability and development of reconstructions based on tree-ring records in tropical forests have been increasing in recent decades. In the Amazon region, ring width and stable isotope long-term ... -
Spin-lattice-dynamics analysis of magnetic properties of iron under compression
(NATURE PORTFOLIO, 2023-08-31)Compression of a magnetic material leads to a change in its magnetic properties. We examine this effect using spin-lattice dynamics for the special case of bcc-Fe, using both single- and poly-crystalline Fe and a bicontinuous ... -
Simulated nanoindentation into single-phase fcc FexNi1-x alloys predicts maximum hardness for equiatomic stoichiometry
(NATURE PORTFOLIO, 2023-06-16)We investigate by molecular dynamics simulation the mechanical behavior of concentrated alloys under nanoindentation for the special example of single-phase fcc FexNi1-x alloys. The indentation hardness is maximum for the ...