Repositorio Universidad Católica del Maule: Envíos recientes
Mostrando publicaciones 441-460 de 5138
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Geographic variation in total phenol content and specific leaf area, as antioxidant indicators, of maqui in central Chile
(2023)The high content of antioxidants of maqui (Aristotelia chilensis (Mol.) Stuntz) has recently motivated an increase in the research on this species. This study evaluates the variation in phenolic antioxidants of maqui leaves ...
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Snow albedo reduction in the colombian Andes mountains due to 2000 to 2020 saharan dust intrusions events
(2023)This article investigates the snow albedo changes in Colombian tropical glaciers, namely, Sierra Nevada de Santa Marta (SNSM), Sierra Nevada del Cocuy (NSC), Nevado del Ruíz (NDR), Nevado Santa Isabel (NDS), Nevado del ...
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SoftVein-WELM: a weighted extreme learning machine model for soft biometrics on palm vein images
; ; Barrientos, Ricardo
(2023)
Contactless biometric technologies such as palm vein recognition have gained more relevance in the present and immediate future due to the COVID-19 pandemic. Since certain soft biometrics like gender and age can generate ...
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A VO2peak prediction model in older adults' patients with Parkinson's disease
(2023)Introduction: Cardiopulmonary function is compromised in people with Parkinson's Disease (PD) and might be related with mortality in advanced stages of the disease. Therefore, estimating the peak oxygen uptake (VO2peak) ...
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Evaluación del modelo de calidad de Donabedian en base a los criterios de Chinn y Kramer
(2023)INTRODUCCIÓN: La evaluación de teorías es un proceso crucial para el desarrollo del conocimiento enfermero, permite seleccionar y utilizar la teoría en función de los problemas y fenómenos del cuidado, sin embargo, es ...
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El desarrollo diacrónico de la construcción disponerse a + INF
(2023)En el presente artículo, se analiza el desarrollo histórico de la construcción disponerse a + INF, como portadora de un valor aspectual de inminencia. En concreto, se exploran aquellos criterios léxico-gramaticales que ...
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Effect of cellulose nanofibrils on vancomycin drug release from chitosan nanocomposite films
(2023)Overuse of antibiotic drugs usually leads to the further development of resistance to targeted bacteria. In this context, a controlled release system could be a solution to achieve higher drug efficiency without overdosing ...
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A comprehensive review of extreme learning machine on medical imaging
; Mora, Marco; ; ; ; (2023)
The feedforward neural network based on randomization has been of great interest in the scientific community, particularly extreme learning machines, due to its simplicity, training speed, and levels of accuracy comparable ...
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De lo explícito a lo implícito: lógicas morfológicas mapuches en los planos de colonización de Malleco y Cautín, 1916-1917
(2023)El Estado de Chile, durante la segunda mitad del siglo XIX, procede a radicar a las diferentes agrupaciones mapuches que quedaban en el territorio de la actual Araucanía. Posteriormente, en los años 1916 y 1917, el mismo ...
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Soluble interleukin-1 receptor type 2 plasma levels in Parkinson’s disease: relationship with cardiac autonomic profile before and after peripheral mechanical somatosensory stimulation
(2023)Introduction: Systemic inflammation promotes neurodegeneration in Parkinson’s disease (PD). Interleukin-1 receptor type 2 (sIL-1R2) plasma levels increase during inflammation. Data on sIL-1R2 in PD patients and its ...
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Analysis of pedagogical content knowledge in science teacher education: a systematic review 2011-2021
(2023)Pedagogical content knowledge (PCK) consists of a set of understandings, knowledge, skills, and dispositions necessary for effective performance in specific teaching and learning situations. Using Scopus, EBSCO, and Web ...
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Association between being breastfed and cardiovascular disease: a population cohort study of 320 249 participants
(2023)Background Being breastfed is associated with lower cardiovascular risk factors but, to date, no studies have demonstrated a protective effect on cardiovascular disease (CVD). This study aims to address the limitations of ...
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Estrategias asociativas de mejora de campesinos en mercados oligopsónicos: las organizaciones de viticultores certificadas Fairtrade en Chile
(2023)Por su trayectoria, relevancia económica, social y cultural, la vitivinicultura es una de las actividades económicas más importantes de la zona central de Chile. Los campesinos participan de este mercado como proveedores ...
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Desempeño físico en jóvenes futbolistas y escolares por edad cronológica y estado de madurez
(2023)Introducción: Durante el periodo de la adolescencia se producen cambios en el cuerpo, siendo importante identificar las diferencias individuales de madurez entre los adolescentes. En el caso de los futbolistas, esto puede ...
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Profiles of older adults according to their life and food-related life satisfaction during the COVID-19 pandemic: the importance of the social environment
(2023)Introduction: Older adults are a highly heterogeneous population, as individuals of the same age can show considerable variations in personal characteristics and living conditions. Risk and protective factors for older ...
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¿Cuántos tipos de revisiones de la literatura existen? enumeración, descripción y clasificación. revisión cualitativa
(2023)La expansión y consolidación de la práctica clínica basada en la evidencia ha llevado entre otras, a la necesidad de realizar una variedad cada vez mayor de tipos de revisión de la literatura científica; lo que permite ...
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Preservice teacher professional identity: influence of the teacher educator and the teacher education model
(2023)The objective of this study is to estimate the association between the following variables: teacher professional identity, the teacher education model adopted, the type of teacher educator, and academic progression of ...
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Assessment of atmospheric emissivity models for clear-sky conditions with reanalysis data
; ; ; ; ; ; Carrasco-Benavides, Marcos; ; ; (2023)
Atmospheric longwave downward radiation (Ld) is one of the significant components of net radiation (Rn), and it drives several essential ecosystem processes. Ld can be estimated with simple empirical methods using atmospheric ...
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Sobrepeso en adolescentes: una posible asociación entre la calidad del sueño y el comportamiento alimentario según el sexo
(2023)Introducción: La obesidad es una enfermedad multifactorial que afecta la calidad del sueño y los atracones en los adolescentes. Objetivo: analizar la calidad del sueño y los posibles atracones en adolescentes según sexo y ...
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Asociación entre nivel educacional y sospecha de deterioro cognitivo en personas mayores chilenas: resultados de la Encuesta Nacional de Salud 2016-2017
(2022)Background: A low education level has been associated with cognitive impairment in older adults. Aim: To determine the association between educational attainment and suspicion of cognitive imparirment in older Chilean ...