Producción Académica: Envíos recientes
Mostrando publicaciones 1561-1580 de 3841
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Chitosan capped copper oxide/copper nanoparticles encapsulated microbial resistant nanocomposite films
(2019)Chitosan (CH) capped inorganic nanomaterials have been considered as significant antibacterial materials in the clinical field. This work shows the synthesis of two new different antibacterial composite films as a result ...
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HMGB1 decreases CCR-2 expression and migration of M2 macrophages under hypoxia
; ; ; ; ; ; Rojas, Armando
(2019)
Objective: The hypoxic milieu at tumor microenvironment is able to drive the behavior of infiltrating tumor cells. Considering that hypoxia-mediated HMGB1 release is known to promote tumor growth, as well to enhance the ...
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Native bee fauna of tomato crops: a comparison of active sampling and pan trapping methods
(2019)The tomato is widely cultivated throughout the world and requires pollination by wild or managed bees to realize its full-potential fruit production. Two different sampling methods (pan trapping and active sampling) were ...
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Multiplicative local binary patterns (MuLBP)
Mora, Marco; ; (2019)
Speckle is a multiplicative noise that greatly deteriorates images. In this paper a model of Local Binary Patterns (LBP) adapted to images with speckle (MuLBP) is proposed. The multiplicative model is constructed by ...
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Assessment of e-social activity in psychiatric patients
(2019)This paper introduces a novel method to assess the social activity maintained by psychiatric patients using information and communication technologies. In particular, we model the daily usage patterns of phone calls and ...
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All-optical routers modeled through the matrix method with NVidia CUDA development framework
(2019)Optical packet switching (OPS) is a promising technology in order to satisfy the ever-increasing need for bandwidth. With this technology, data packets, which consist of a header and a payload, are assembled and transmitted ...
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BER performance of OFDM-based visible light communication systems
(2019)In this paper, OFDM-based techniques designed for Intensity Modulation/Direct Detection (IMDD) modulation applied to Visible Light Communications (VLC) systems are evaluated. The evaluated techniques are Asymmetrically ...
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Relationship between metacognitive learning strategies and proficiency in efl classroom in Chile
(2019)Purpose of the study: The main aim of the present study is to analyze and explain the use of metacognitive strategies in learning English as a foreign language (EFL) in Chile. To comprehend the metacognitive strategy usage ...
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Diagnostic stability in bipolar disorder: a narrative review
(2019)Learning objectives: After participating in this activity, learners should be better able to: • Evaluate diagnostic stability in bipolar disorder • Analyze the factors contributing to diagnostic stability Objective: ...
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Enfermería gerontológica: desafíos para la promoción de los roles sociales en las personas mayores
Poblete, Margarita; (2019)
El acelerado envejecimiento poblacional a nivel mundial constituye un desafío para los profesionales de la salud. En este sentido, enfermería debe promover la autonomía en salud de las personas mayores con una participación ...
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Validez, confiabilidad y baremación para medir la auto-percepción del estrés académico de estudiantes universitarios
(2019)El estrés, es un fenómeno presente en la actualidad y afecta a la comunidad en general, por lo que, diagnosticar y/o monitorizarlo podría permitir desarrollar acciones tempranas y oportunas para alcanzar el estado de ...
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Effectiveness of psychotherapy on suicidal risk: a systematic review of observational studies
Méndez-Bustos, Pablo; ; ; ; ; (2019)
Background: Suicidal behavior is a major public health concern worldwide, and the interest in the development of novel and more efficient treatment strategies and therapies to reduce suicidal risk is increasing. Some recent ...
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Risk assessment tools and data-driven approaches for predicting and preventing suicidal behavior
(2019)Risk assessment of suicidal behavior is a time-consuming but notoriously inaccurate activity for mental health services globally. In the last 50 years a large number of tools have been designed for suicide risk assessment, ...
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Effects of prolonged head-down bed rest on cardiac and vascular baroreceptor modulation and orthostatic tolerance in healthy individuals
(2019)Orthostatic intolerance commonly occurs after prolonged bed rest, thus increasing the risk of syncope and falls. Baroreflex-mediated adjustments of heart rate and sympathetic vasomotor activity (muscle sympathetic nerve ...
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La noción de "modelo teórico" en la enseñanza de la química: representación y función del sistema periódico
(2022)Este trabajo aborda desde el punto de vista semanticista uno de los temas estructurantes de la química: la tabla periódica. El anclaje a temáticas estructurantes de la química ...
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Aphid suppression by natural enemies in hedgerows surrounding greenhouses in southern Spain
(2023)Southern Spain is home to the most intensively grown protected crop area in the EU. The area is currently characterized by greenhouse monocultures and a homogenous landscape. The establishment of hedgerows among greenhouses ...
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Microbiology and nitrogen cycle in the benthic sediments of a glacial oligotrophic deep andean lake as analog of ancient martian lake-beds
(2019)Potential benthic habitats of early Mars lakes, probably oligotrophic, could range from hydrothermal to cold sediments. Dynamic processes in the water column (such as turbidity or UV penetration) as well as in the benthic ...
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Sentido de eficacia de estudiantes de pedagogía de una universidad chilena
(2022)El objetivo del trabajo fue analizar el grado de competencias y sentido de eficacia que presentan los estudiantes de peda-gogía de una universidad chilena para responder a las necesidades de los estudiantes. Para dar ...
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Top-down and bottom-op effects deployed by a nurse shrub allow facilitating an endemic mediterranean orchid
(2019)Aims: Facilitation among plant species occurs when the presence of one species, the so-called nurse, alters the environment in a way that enhances the growth, survival or reproduction of a second species. This positive ...