Producción Académica: Envíos recientes
Mostrando publicaciones 2721-2740 de 3943
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Ecological studies of sleep disturbances during suicidal crises
(2020)Purpose of Review: Several reviews and metanalyses have shown that sleep disturbances, such as insomnia and nightmares, can predict suicidal ideations and behaviors. Common physio-pathological pathways may explain this ...
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Exploring rhenium (I) complexes as potential fluorophores for walled-cells (yeasts and bacteria): Photophysics, biocompatibility, and confocal microscopy
(2021)In the present work, we synthesized and characterized two complexes: fac-Re(CO)3(4,5-diazafluoren-9-one)Br (ReL1) and fac-Re(CO)3(5,6-epoxy-5,6-dihydro-1,10-phenanthroline)Br (ReL2), where ReL2 has not been reported at ...
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State-dependent TMS of inferior frontal and parietal cortices highlights integration of grip configuration and functional goals during action recognition
(2020)Understanding the object-directed actions of conspecifics not only implies recognition of the object (e.g., a pen) and processing of the motor components (e.g., grip configuration), but also identification of the functional ...
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Sistema de creencias de los futuros maestros sobre educación para el desarrollo sostenible en la clase de matemática
(2020)En este estudio se indaga en el sistema de creencias de futuros profesores chilenos de educación infantil y de educación primaria respecto de sus competencias para incorporar la Educación para el Desarrollo Sostenible (EDS) ...
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Auto reporte de la velocidad de marcha y su asociación con marcadores de adiposidad y riesgo cardiovascular en Chile
(2020)Background: Walking speed is a strong predictor of non-communicable diseases and mortality. Aim: To investigate the association of self-reported walking pace with adiposity, metabolic and cardiovascular markers in the ...
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Quality in use of an android-based mobile application for calculation of bone mineral density with the standard ISO/IEC 25022
(2020)One of the most critical bone diseases is osteoporosis, which can be evaluated through measurements of bone mineral density. Though there is a lot of commercialized portable about health in general, few are oriented towards ...
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Neuro-fuzzy system with particle swarm optimization for classification of physical fitness in school children
(2020)Physical fitness is widely known to be one of the critical elements of a healthy life. The sedentary attitude of school children is related to some health problems due to physical inactivity. The following article aims to ...
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Fuerza muscular y porcentaje de grasa corporal en niños y adolescentes de la región del Maule, Chile
(2020)Objetivo. Analizar la asociación entre la fuerza de prensión manual relativa (FPMR) y la masa grasa (MG), controlando el posible efecto del estado de madurez. Metodología. Se estudiaron niños y adolescentes de ambos sexos ...
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COVID-19: impacto psicosocial en la escuela en Chile. Desigualdades y desafíos para Latinoamérica
; ; Precht Gandarillas, Andrea
; ; ; (2020)
La pandemia de Coronavirus-19 (COVID-19) ha superado los cinco millones de casos en todo el mundo y sus consecuencias han sido devastadoras para la salud y la sociedad en general. Como parte de los protocolos sanitarios ...
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Birnbaum–Saunders regression models: a comparative evaluation of three approaches
(2020)This study investigates three regression models based on the Birnbaum–Saunders distribution. The first model is obtained directly through the Birnbaum–Saunders distribution; the second model is obtained via a logarithmic ...
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Phenology, pollen synchronization and fruit characteristics of european hazelnut (Corylus avellana L.) cv. tonda de Giffoni in three sites of central Chile
von Bennewitz, Eduardo; ; Muñoz, Diego ; ; ; ; (2019)
Se estudió la fenología, sincronización polínica y características frutales de avellano europeo (Corylus avellana L.) cv. "Tonda di Giffoni" y tres polinizantes ("Tonda Romana", "Tonda Gentile delle Langhe" y "Barcelona") ...
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Estimulación eléctrica en niños y adolescentes con parálisis cerebral: Una revisión sistemática
(2020)Objetivos: Analizar los rangos de edad más investigados en niños con parálisis cerebral (PC). Identificar las regiones anatómicas tratadas mediante electro-estimulación (EE). Determinar la frecuencia y duración de los ...
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Pruebas de aptitud física que realizan los escolares
(2020)El objetivo fue determinar los tipos de estudios que se han efectuado según año y región, y verificar las pruebas físicas utilizadas según dimensiones de la aptitud física durante 2010 a 2018. Se efectuó una revisión ...
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Formation of hollow gold nanocrystals by nanosecond laser irradiation
(2020)The irradiation of spherical gold nanoparticles (AuNPs) with nanosecond laser pulses induces shape transformations yielding nanocrystals with an inner cavity. The concentration of the stabilizing surfactant, the use of ...
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Effect of functionalized silica nanoparticles on the mass transfer process in active PLA nanocomposite films obtained by supercritical impregnation for sustainable food packaging
(2020)Nanocomposite films based on PLA with 1.0 % w/w silica nanoparticles (NP) and surface-functionalized silica nanoparticles with lactic acid (NP-LA), respectively, were obtained by extrusion process. Subsequently, cinnamaldehyde ...
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Proposal of competencies for engineering education to develop water infrastructure based on “nature-based solutions” in the urban context
(2020)The aim of this work was to determine the competencies that need to be included in engineering programs to develop water infrastructure based on Nature-Based Solutions (NBS) in the urban context, focused on its application ...
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Feasibility of using paper pulp residues into fired clay bricks
(2020)In accordance with global estimations, approx. 15 million tons of residues are yearly generated from paper and pulp industry, which are traditionally used as biofuels or just disposed in landfills. However, residues ...
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Association between walking pace and diabetes: findings from the Chilean national health survey 2016–2017
(2020)Background: Walking pace is a well-known indicator of physical capability, but it is also a strong predictor of type 2 diabetes (T2D). However, there is a lack of evidence on the association between walking pace and T2D, ...
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Cancer cases and deaths attributable to lifestyle risk factors in Chile
(2020)Background: To identify modifiable risk factors that contribute to cancer holds important public health relevance for setting up prevention strategies. Therefore, the aim of this study was to estimate the proportion of ...
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Hollow gold nanoparticles produced by femtosecond laser irradiation
(2020)Metallic hollow nanoparticles exhibit interesting optical properties that can be controlled by geometrical parameters. Irradiation with femtosecond laser pulses has emerged recently as a valuable tool for reshaping and ...