Artículos Científicos: Envíos recientes
Mostrando publicaciones 2001-2020 de 3929
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Selective and efficient arsenic recovery from water through quaternary amino-functionalized silica
(2018)The free-radical graft polymerization of acryloxyethyl-trimethylammonium chloride onto commercial silica particles was studied experimentally for extraction of arsenic ions from water. Two steps were used to graft ...
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Insect elevational specialization in a tropical biodiversity hotspot
(2018)1. Tropical montane organisms are vulnerable to climate change because of elevational specialisation, but little is known of the variability in elevational specialisation across tropical insects. 2. We assessed elevational ...
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Multicomponent reactions in ligation and bioconjugation chemistry
(2018)Multicomponent reactions (MCRs) encompass an exciting class of chemical transformations that have proven success in almost all fields of synthetic organic chemistry. These convergent procedures incorporate three or more ...
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Responsabilidad social: voluntariado universitario y comportamiento virtuoso. El caso de una ciudad de Perú
(2021)El presente trabajo tiene como propósito explorar la responsabilidad social del estudiante universitario desde la perspectiva del voluntariado como comportamiento virtuoso. Se aplicó un instrumento a una muestra (318 ...
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Anxiety, low self-esteem and a low happiness index are associated with poor school performance in chilean adolescents: a cross-sectional analysis
(2021)Objective: To analyze the relationship between anxiety, self-esteem, happiness index and primary school students’ academic performance in Chilean adolescents from the Biobío province. Methodology: 733 (46.1% girls; 12 (1.3 ...
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Importance of biotic pollination varies across common bean cultivars
(2022)Common bean (Phaseolus vulgaris L.) flowers are morphologically adapted to biotic pollination, although it is partially autogamous. We evaluated the effect of pollinator visits on pod and seed production of 14 local creole ...
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Performance, detection, contamination, compliance, and cointervention biases in rehabilitation research what are they and how can they affect the results of randomized controlled trials? basic information for junior researchers and clinicians
(2022)Bias is a systematic error that can cause distorted results leading to incorrect conclusions. Intervention bias (i.e., contamination bias, cointervention bias, compliance bias, and performance bias) and detection bias are ...
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Novel phenolic compound from southern ocean microalgae Chlorella sp. PR-1 and its antibacterial activity
(2021)Las microalgas marinas han atraído la atención de los investigadores durante siglos. El desarrollo de la investigación de las microalgas se ve favorecido principalmente debido a sus propiedades ...
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Nota clínica: Trastorno bipolar en xantomatosis cerebrotendinosa: a propósito de un caso
(2021)La xantomatosis cerebrotendinosa (XCT) es una rara enfermedad autosómica recesiva que puede cursar con manifestaciones psiquiátricas cuyo tratamiento puede resultar complejo. Presentamos el caso de una mujer de 29 años, ...
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Percepción sobre la responsabilidad social corporativa de los estudiantes de educación superior de Chile
(2021)Esta investigación tiene como propósito explorar la percepción de los estudiantes de educación superior sobre la responsabilidad social corporativa. El estudio de la responsabilidad social corporativa es un tema de relevancia ...
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Video games for the treatment of autism spectrum disorder: a systematic review
(2021)Video games are a promising area of intervention for children diagnosed with Autism Spectrum Disorders (ASD). However, reviews on this topic are scarce. This review on studies exploring video games for the treatment of ASD ...
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Use of ecological momentary assessment through a passive smartphone-based app (eB2) by patients with schizophrenia: acceptability study
(2021)Background: Ecological momentary assessment (EMA) tools appear to be useful interventions for collecting real-time data on patients’ behavior and functioning. However, concerns have been voiced regarding the acceptability ...
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Toxoplasma gondii,suicidal behavior, and intermediate phenotypes for suicidal behavior
(2021)Within the general literature on infections and suicidal behavior, studies on Toxoplasma gondii (T. gondii) occupy a central position. This is related to the parasite's neurotropism, high prevalence of chronic infection, ...
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Theoretical models of suicidal behaviour: a systematic review and narrative synthesis
(2021)Background and objectives Suicide mortality has not decreased in recent decades, partly due to the lack of valid predictors. A small number of systematic reviews have been published on the different integrated theoretical ...
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Acontecimientos vitales estresantes como factores de riesgo proximales para una crisis suicida: estudio de casos y controles
(2021)Introducción. El suicidio produce casi un millón de muertes al año en todo el mundo. Los acontecimientos vitales estresantes podrían jugar un papel clave en las últimas fases de la trayectoria suicida. Nuestro objetivo en ...
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Disturbed sleep as a clinical marker of wish to die: a smartphone monitoring study over three months of observation
(2021)Background: Smartphone monitoring could contribute to the elucidation of the correlates of suicidal thoughts and behaviors (STB). In this study, we employ smartphone monitoring and machine learning techniques to explore ...