Artículos Científicos: Envíos recientes
Mostrando publicaciones 2641-2660 de 3929
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Partial least squares models and their formulations, diagnostics and applications to spectroscopy
(2020)Partial least squares (PLS) models are a multivariate technique developed to solve the problem of multicollinearity and/or high dimensionality related to explanatory variables in multiple linear models. PLS models have ...
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Agroecological effect and sexual shape dimorphism in medfly Ceratitis capitata (Diptera: Tephritidae) an example in Croatian populations
(2020)The Mediterranean fruit fly or medfly, Ceratitis capitata (Wiedemann, 1824) is one of the most economically important fruit flies globally. Geometric morphometric methods based on principal component analyses, multivariate ...
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Multi-scale simulation reveals that an amino acid substitution increases photosensitizing reaction inputs in Rhodopsins
(2020)Evaluating the availability of molecular oxygen (O2 ) and energy of excited states in the retinal binding site of rhodopsin is a crucial challenging first step to understand photosensitizing reactions in wild-type (WT) and ...
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Mobilising common biocultural heritage for the socioeconomic inclusion of small farmers: panarchy of two case studies on quinoa in Chile and Bolivia
(2020)Valorising the biocultural heritage of common goods could enable peasant farmers to achieve socially and economically inclusive sustainability. Increasingly appreciated by consumers, peasant heritage products offer small ...
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Estilos de vida y cumplimiento de las guías alimentarias chilenas: resultados de la ENS 2016-2017
(2020)Cumplir las recomendaciones incluidas en las Guías Alimentarias permite un acercamiento hacia un estilo de vida saludable. El objetivo de este estudio fue caracterizar los estilos de vida de la población chilena y su ...
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Comparación entre el auto-reporte de actividad física y la medición con acelerómetro según factores sociodemográficos
(2020)Introducción: La determinación del nivel de actividad física (AF) puede realizarse a través de acelerómetro o mediante cuestionario de auto-reporte. El objetivo de este estudio fue comparar los niveles de AF entre un ...
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Actitudes y prácticas parentales de alimentación infantil: una revisión de la literatura
(2020)Introducción: si bien la conducta alimentaria depende de múltiples factores, existe acuerdo en la importancia de aspectos socio-ambientales en los que la familia tiene un rol central, especialmente en edades tempranas. Objetivo: ...
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Optimal cut-off points for waist circumference in the definition of metabolic syndrome in Chile.
(2020)Objective: To identify sex-specific cut-off points for waist circumference (WC) in the definition of metabolic syndrome (MetS) for the Chilean adult population. Design: MetS was defined as the presence of at least two out ...
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Personas mayores en Chile: el nuevo desafío social, económico y sanitario del siglo XXI
(2020)Ageing will be one of the most significant social transformations of the 21st century worldwide. In the last 40 years, Chile has tripled its older adult population. As a result, by 2050 the country will have the highest ...
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Alzheimer's disease susceptibility gene Apolipoprotein E (APOE) and blood biomarkers in UK Biobank (N = 395,769)
(2020)Background: Alzheimer's disease (AD) is a neurodegenerative condition where the underlying etiology is still unclear. Investigating the potential influence of apolipoprotein E (APOE), a major genetic risk factor, on common ...
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Reuse of treated municipal wastewater from constructed wetlands for cut flowers irrigation in aeroponic cultivation
(2020)Este trabajo tuvo por objetivo evaluar la reutilización de aguas residuales municipales tratadas por humedales construidos subsuperficiales (HC-SSs), como agua de riego, en el cultivo aeropónico de flores de corte en ...
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Relación de las medidas de mecánica ventilatoria y radiográficas con el tiempo de conexión a ventilación mecánica en pacientes COVID-19. Un análisis preliminar
(2020)Los pulmones son el sitio predominante en la infección por COVID-19. Esta puede conducir al síndrome distrés respiratorio agudo (SDRA). Frente a su sintomatología severa, la ventilación mecánica (VM), y sus valores de ...
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Work ability assessment and its relationship with cardiovascular autonomic profile in postural orthostatic tachycardia syndrome
(2020)Postural orthostatic tachycardia syndrome (POTS) negatively impacts quality of life. The excessive increase in cardiac sympathetic modulation during standing, which characterizes POTS patients, leads to many symptoms and ...
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Dynamin‑2 R465W mutation induces long range perturbation in highly ordered oligomeric structures
(2020)High order oligomers are crucial for normal cell physiology, and protein function perturbed by missense mutations underlies several autosomal dominant diseases. Dynamin-2 is one of such protein forming helical oligomers ...
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Methods for measuring physical activity in children and their relationship with nutritional status: a narrative review
(2020)En las últimas décadas, el sobrepeso y obesidad se han convertido en una epidemia mundial que afecta no solo a la población adulta sino también a niños y adolescentes. En España la prevalencia alcanza el 46%, con mayor ...
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Improved double-jump 2 pulse to compensate frequency offset in MQAM-OFDM systems
(2020)Orthogonal frequency division multiplexing (OFDM) is severely affected by the frequency offset because of it causes inter-carrier interference (ICI). ICI can be diminished with the assistance of any pulse that complies the ...
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A VLC channel model for underground mining environments with scattering and shadowing
(2020)Underground mining is an industry that preserves the miners' safety and efficiency in their work using wireless communication systems as a tool. In addition to communication links characterized by radio frequency signals, ...
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Las economías solidarias revisadas desde las transformaciones de la subjetividad, la creación de comunidades y la producción de diversidad: Editorial
(2020)El modelo productivo implementado en América Latina durante los últimos cuarenta años ha desincentivado el uso del conocimiento socio-técnico reunido por organizaciones y comunidades locales y territoriales. Desde principios ...