Artículos Científicos: Envíos recientes
Mostrando publicaciones 3121-3140 de 3929
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Black holes with Lambert W function horizons
(2019)We consider Einstein gravity with a negative cosmological constant endowed with distinct matter sources. The different models analyzed here share the following two properties: (1) they admit static symmetric solutions with ...
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Impact of additives of commercial rubber compounds on the microbial and enzymatic degradation of poly(cis-1,4-isoprene)
(2019)Much fundamental research has already been performed to understand the mechanism of microbial rubber degradation. Due to the increasing amount of rubber waste, biotechnical methods to degrade that particular waste are ...
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Análisis bibliométrico sobre educación STEM
(2019)Este artículo describe los resultados de un análisis bibliométrico de la producción científica sobre educación STEM, en la base de datos SCOPUS, entre los años 2010 y 2018. El estudio consistió en analizar un total de 65 ...
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Growth and biomass partitioning of nine provenances of Quillaja saponaria seedlings to water stress
(2019)Information on the morphological and physiological responses of seedlings to stressors, such as water stress, is required for successful early establishment of seedlings. We examined provenance variation in morphological ...
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Effects of physical activity governmental programs on health status in independent older adults: A systematic review
; ; ; Vargas, Rodrigo
; (2019)
This systematic review analyzes the evidence of the effects of physical activity governmental programs oriented toward the health of independent older adults. Medline, Web of Science, PsycINFO, and Psychology & Behavioral ...
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Mathematical modelling of some poliomyelitis vaccination and migration scenarios in Colombia
(2019)The Poliomyelitis is an acute infection that has not eradicated worldwide. There are two types of vaccines for prevention: the live attenuated virus (OPV) and the inactivated polio virus (IPV). In Colombia, the poliomyelitis ...
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Contour detection in images with speckle by using the bi-geometric structure
; ; Mora, Marco (2019)
The speckle produces severe degradations in digital images, which could be introduced by technological devices during the acquisition, capture or transmission of the images. This perturbation affects, for instance, medical ...
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Entropy production of ion thermo-diffusion in cell membranes
(2019)Here, we developed a mathematical model for the ion diffusion in thermo ion-channels. Ion channels modulated by temperature are responsible for several physiological processes, including thermo-sensation. Our model is based ...
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Blending short rotation coppice poplar with wheat straw as a biorefinery feedstock in the State of Washington
(2019)To ensure an uninterrupted feedstock supply, commercial-scale cellulosic biofuel production facilities must consider using more than one type of biomass; this paper considers the use of poplar and wheat straw. Short rotation ...
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Inhibition of RAGE Axis signaling: A pharmacological challenge
Rojas, Armando; ; ; (2019)
The Receptor for Advanced Glycation End Products (RAGE) is an important cell surface receptor, which belongs to the IgG super family and is now considered as a pattern recognition receptor. Because of its relevance in many ...
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Strategy based on data mining and MALDI-Mass spectrometry for control disease of SRS in Salmo Salar
(2018)Piscirickettsia salmonis is a highly transmissible pathogens that cause high mortality in farmed salmonids. In this way, new techniques based on mass spectrometry (MS) and machine learning were applied and combined in an ...
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Las razones de por qué Chile debe detener la importación del abejorro comercial Bombus terrestris (Linnaeus) y comenzar a controlarlo
(2018)La crisis mundial de polinización no solo es producida por la pérdida de polinizadores, sino también por su homogeneización, ambos procesos causados por el ser humano. En este documento analizamos los impactos ecológicos ...
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El término músculo y su coherencia interna: Una sugerencia a terminologia histologica
(2019)Terminologia Histologica (TH) fue confeccionada siguiendo las indicaciones del Comité Federativo Internacional en Terminología Anatómica (FIPAT), sin embargo, no está exenta de errores e incongruencias. Lo anterior se ...
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La enseñanza de la publicidad en la escuela chilena: Debilidades y desafíos
(2017)Este trabajo es parte de una investigación mayor, en la que se intenta analizar la enseñanza de la publicidad en la escuela chilena, a través de la programación curricular que el Ministerio de Educación propone. El artículo ...
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El determinante discurso publicitario: Atribución en la sociedad y la escuela
(2018)Este trabajo —que se origina de una investigación mayor— pretende analizar la relación existente entre educación, familia y publicidad, así como la influencia que ejerce esta última en el contexto chileno. Se ha realizado ...
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Factores que influyen en el aprendizaje del proceso de enfermería percibidos por un grupo de estudiantes chilenos
(2019)Introducción/objetivo: para implementar la “Gestión del Cuidado”, el profesional de enfermería cuenta con una herramienta fundamental como es el proceso de enfermería, el cual aprende y practica durante su formación de ...
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Establishment of photomixotrophic cultures for high-scale micropropagation by temporary immersion bioreactors (TIBs) in plant commercial species
; ; Poblete, Mauricio; ; ; ; (2018)
The optimization of photomixotrophic conditions (increase of both light intensity and the CO2 atmosphere inside the culture flask) improves plant quality and can lead to greater efficiency during the acclimatization phase. ...
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TRPM7 and CaV3.2 channels mediate Ca2+ influx required for egg activation at fertilization
(2018)The success of mammalian development following fertilization depends on a series of transient increases in egg cytoplasmic Ca2+, referred to as Ca2+ oscillations. Maintenance of these oscillations requires Ca2+ influx ...
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Adaptations of check-in/check-out to meet the needs of high school students
(2018)Check-In/Check-Out (CICO) is a preventative Tier 2 intervention with demonstrated evidence in decreasing problem behaviors and increasing academic engagement for elementary and middle school students (Bruhn, Lane, & Hirsch, ...