Artículos Científicos: Envíos recientes
Mostrando publicaciones 41-60 de 3466
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Perception of psychological and physical violence among workers of private emergency units in Chile
(2024)Introducción: La violencia es un fenómeno extremadamente difuso y complejo, que afecta al mundo entero, con cifras que van en aumento considerable. Específicamente, la violencia en el lugar de trabajo es una problemática ...
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Xbox Kinect Sports vs. Nintendo Switch Sports and their effects on body composition and physical performance in older females: a randomized controlled trial
(2024)Background/Objectives: This study aimed to compare the effects of Xbox Kinect Sports (XKS) regarding Nintendo Switch Sports (NSS) and an inactive control group (CG) on body composition (body fat percentage, BFP; and fat-free ...
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Dynamics of activation and regulation of the immune response to attack by viral pathogens using mathematical modeling
(2024)In this paper, a mathematical model is developed to simulate the activation of regulatory T lymphocytes dynamics. The model considers the adaptive immune response and consists of epithelial cells, infected cells, free virus ...
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Early growth and physiological acclimation to shade and water restriction of seven sclerophyllous species of the mediterranean forests of central Chile
(2024)The success of using active restoration in Mediterranean-type climate zones mostly depends on an appropriate matching of plant species and specific management prescriptions upon establishment. In this study, we assessed ...
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How study-related positive emotions and academic psychological capital mediate between teacher-student relationship and academic performance: a four-wave study among high school students
(2024)This article presents a theory-driven model in which teacher-student relationships and academic performance are indirectly related through study-related positive emotions and academic psychological capital. A sample of ...
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Statistical techniques for digital pre-processing of computed tomography medical images: a current review
(2024)Digital pre-processing is a vital stage in the processing of the information contained in multilayer computed tomography images. The purpose of digital pre-processing is the minimization of the effect of image imperfections, ...
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Optimizing hyperparameters in machine learning models for accurate fitness activity classification in school-aged children
(2024)Classification using machine learning algorithms in physical fitness tests carried out by students in educational centers can help prevent obesity and other related diseases. This research aims to evaluate physical fitness ...
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Efectos de un entrenamiento de la musculatura respiratoria sobre la función pulmonar en adolescentes con sobrepeso y obesidad
(2024)La prevalencia del sobrepeso y la obesidad en adolescentes ha alcanzado tasas alarmantes a nivel mundial, con implicaciones significativas para la salud, incluido el deterioro de la función pulmonar. Este estudio investigó ...
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Gender stereotypes in STEM: a systemic review of studies conducted at primary and secondary school
(2024)Currently, there is ambiguity regarding the volume of empirical research that delves into gender stereotypes linked to STEM in primary and secondary education. To shed light on the prevailing literature and pertinent ...
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Breathwork-induced psychedelic experiences modulate neural dynamics
(2024)Breathwork is an understudied school of practices involving intentional respiratory modulation to induce an altered state of consciousness (ASC). We simultaneously investigate the phenomenological and neural dynamics of ...
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A material flow or life cycle analysis perspective for the water-energy-food nexus assessment of organisations? a comparative study
(2024)Nowadays, food production systems play a relevant role as the steady increase of global population and food demand. The water-energy-food (WEF) nexus is a suitable approach to tackle resources management associated with ...
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Ion occupancy of the selectivity filter controls opening of a cytoplasmic gate in the K2P channel TALK-2
(2024)Two-pore domain K+ (K2P) channel activity was previously thought to be controlled primarily via a selectivity filter (SF) gate. However, recent crystal structures of TASK-1 and TASK-2 revealed a lower gate at the cytoplasmic ...
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Theory of Planned Behavior and alcohol use in adolescents in Ecuador. structural linear regression analysis
(2024)The general aim is to identify the explanatory potential of alcohol use intentions in drinking behaviors in a sample of adolescents in Ecuador. The method consists of a descriptive, explanatory, and cross-sectional study ...
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Characterization of the conversion system of natural rubber to poly(3-Hydroxyalkanoate) in Piscinibacter gummiphilus strain NS21T
(2024)Poly(3-hydroxyalkanoate) (PHA), a bacteria-synthesized biodegradable polyester, is a useful alternative to fossil resources, and current systems for its production rely predominantly on edible resources, raising concerns ...
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Machine learning and matrix-assisted laser desorption/ionization time-of-flight mass spectra for antimicrobial resistance prediction: a systematic review of recent advancements and future development
; ; ; Cuadros-Orellana, Sara
(2024)
Background: The use of matrix-assisted laser desorption/ionization time-of-flight mass spectra (MALDI-TOF MS) combined with machine learning techniques has recently emerged as a method to address the public health crisis ...
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Relación entre el malestar psicológico, la conducta alimentaria y la grasa corporal en estudiantes universitarios
(2024)Antecedentes: El malestar psicológico es un problema constante para los estudiantes universitarios, puede estar relacionado con el exceso de trabajo académico, el miedo al fracaso, el agotamiento emocional y las presiones ...
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Fuentes de información no escrita que orientan las decisiones pedagógicas de las educadoras de preescolar: Un estudio exploratorio en Chile
(2024)A nivel mundial, los profesores enfrentan numerosos desafíos en su desarrollo profesional. Sin embargo, no utilizan fuentes científicas debido a obstáculos como el acceso, la interpretación y la aplicación práctica del ...
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La vida como bien supremo y el dogma de su sacralidad: Arendt y Benjamin en torno a la modernidad
(2024)El presente artículo tiene como objetivo principal relacionar las ideas de Walter Benjamin y de Hannah Arendt respecto de la exacerbación del valor de la vida nuda como elemento central de la Modernidad. Mientras Benjamin ...
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Neoliberal state policies in the professional biographies of veteran teachers
(2024)Este artículo analiza las biografías profesionales de docentes veteranos y cómo las transformaciones del sistema educativo y de la labor docente configuran su identidad profesional. Se realizó un ciclo de entrevistas ...
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Estimación de aptitud cardiorrespiratoria a partir de la Prueba de Caminata de Seis Minutos en escolares
(2024)La aptitud cardiorrespiratoria se puede evaluar con métodos directos, indirectos, de esfuerzo máximo, moderado, por medio de la carrera, bicicleta o caminata. Objetivo: predecir el consumo máximo de oxígeno (V̇O2máx) a ...