Artículos Científicos: Envíos recientes
Mostrando publicaciones 3601-3620 de 3929
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A new descriptor for person identity verification based on handwritten strokes off-line analysis
Mora, Marco
; (2017)
A new descriptor for the verification of people’s identity through the analysis of handwritten text is presented. The proposed descriptor corresponds to a representation of the pattern of writing pressure computed from the ...
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La comprensión lectora de un texto literario en estudiantes de 8° año de educación general básica: Una intervención didáctica en el aula
(2015)Este artículo presenta los resultados de una investigación cuyo objetivo general fue evaluar la relación entre la aplicación de una propuesta de intervención didáctica, centrada en el proceso lector interactivo, y el nivel ...
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Isolation and molecular characterization of Thraustochytrium strain isolated from Antarctic peninsula and its biotechnological potential in the production of fatty acids
(2017)Thraustochytrids are unicellular protists belonging to the Labyrinthulomycetes class, which are characterized by the presence of a high lipid content that could replace conventional fatty acids. They show a wide geographic ...
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Leaf area estimation in muskmelon by allometry
(2013)This study developed a method for estimating the leaf area (LA) of muskmelon by using allometry. The best linear measure was evaluated first, testing both a leaf length and width (W). Leaf samples were collected from plants ...
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A replacement name for Hualpenia Mundaca, Parra & Vargas (Lepidoptera, Gracillariidae)
(2013)A replacement name for Hualpenia Mundaca, Parra & Vargas (Lepidoptera, Gracillariidae). Vihualpenia nom. nov. is proposed as a replacement name for Hualpenia Mundaca, Parra & Vargas, 2013 (Lepidoptera, Gracillariidae), in ...
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Measurement invariance in the satisfaction with life scale in Chilean and Ecuadorian older adults
(2017)The Satisfaction with Life Scale (SWLS) has been validated in numerous countries. However, there are still few studies that evaluate its cross-cultural measurement invariance. The measurement invariance of the SWLS across ...
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The emerging role of the receptor for advanced glycation end products on innate immunity
Rojas, Armando; ; ; ; ; (2014)
Cells from innate immune system are activated by the engagement of germ-line encoded patternrecognition receptors (PRRs) in response to the microbial insult. These receptors are able to recognize either the presence of ...
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Role of multiligand/RAGE axis in platelet activation
Rojas, Armando; ; (2014)
In the context of plaque progression, platelet hyperactivity associated with hyperlipidemia contributes to the development of a pro-thrombotic state. In this context, it has been demonstrated that advanced glycation end ...
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Las revistas de psicología en Chile: Historia y situación actual
(2017)El presente artículo expone una revisión del desarrollo histórico y estado actual de las publicaciones científicas seriadas en psicología en Chile. Para determinar el análisis de las revistas se realizó una recuperación ...
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Chlorogenic acid inhibits human platelet activation and thrombus formation
Rojas, Armando; ; ; ; (2014)
Background: Chlorogenic acid is a potent phenolic antioxidant. However, its effect on platelet aggregation, a critical factor in arterial thrombosis, remains unclear. Consequently, chlorogenic acid-action mechanisms in ...
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Tratamiento médico del embarazo ectópico no complicado; experiencia del Hospital Regional de Talca
(2017)El tratamiento médico del embarazo ectópico (EE) no complicado es una alternativa para el manejo de esta patología. Existen distintos criterios para su uso y las tasas de éxito publicadas son variadas. Realizamos una ...
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Validez y confiabilidad de la versión adaptada al español de la Escala de Dificultades de Regulación Emocional (DERS-E) en población chilena
(2014)El objetivo de esta investigación fue examinar la confiabilidad y validez de la versión adaptada al español de la Escala de Dificultades de Regulación Emocional (DERS-E), en población chilena. Este es un instrumento de ...
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Crystal structure and magnetic properties of titanium-based CuTi2 xMxS4 and CuCr2 xTixSe4 chalcospinels
(2014)CuTi2 xMxS4 (M¼Fe, Mn, Co; x¼0.3, 0.5) and CuCr2 xTixSe4 (x¼0.3, 0.5, 0.7) chalcospinels were synthesized by conventional solid-state reactions. Their crystal structures were determined by single-crystal X-ray diffraction. ...
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Enhanced therapeutic alliance modulates pain intensity and muscle pain sensitivity in patients with chronic low back pain: An experimental controlled study
(2014)Background: Physical therapy influences chronic pain by means of the specific ingredient of an intervention as well as contextual factors including the setting and therapeutic alliance (TA) between provider and patient. ...
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Inconsistency in the items included in tools used in general health research and physical therapy to evaluate the methodological quality of randomized controlled trials: A descriptive analysis
(2013)Background: Assessing the risk of bias of randomized controlled trials (RCTs) is crucial to understand how biases affect treatment effect estimates. A number of tools have been developed to evaluate risk of bias of RCTs; ...
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Disposición de los padres a pagar por una vacuna contra el virus del papiloma humano para sus hijas adolescentes. Región del Maule, Chile
(2014)Objetivo. Determinar la disposición de los padres de hijas adolescentes a pagar por una vacuna contra el virus del papiloma humano en la Región del Maule, Chile. Material y métodos. Se utilizó una muestra de 386 padres ...
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The effects of visual information on willingness to pay for a recreational site improvement in Chile
(2014)Este artículo examina el efecto de la información visual sobre la disposición de las personas a pagar por mejoras en la infraestructura y calidad del agua en un lugar de recreación urbana. Aplicamos la metodología de ...
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Increasing the shelf life of post-harvest table grapes (Vitis vinífera cv. Thompson Seedless) using different packaging material with copper nanoparticles to change the atmosphere
; Carrasco-Benavides, Marcos; ; (2017)
An effective way to control post-harvest rotting of table grapes is the use of sulfur dioxide (SO2 ). However, under certain conditions, the use of SO2 can cause significant loss, mainly associated with bleaching of the ...
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Hydroxytyrosol and Cytoprotection: A projection for clinical interventions
(2017)Hydroxytyrosol (HT) ((3,4-Dihydroxyphenyl)ethanol) is a polyphenol mainly present in extra virgin olive oil (EVOO) but also in red wine. It has a potent antioxidant effect related to hydrogen donation, and the ability to ...
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Kinetic and adsorption isotherms of polyamine on bleached pulp of sugar cane bagasse
abril, diana; (2016)
This work presents the results of a study of kinetic and adsorption isotherms of a cationic polyamine on bleached pulp of sugar cane bagasse. Polyamine was synthesized at laboratory scale and used in an experimental trial ...