Artículos Científicos: Envíos recientes
Mostrando publicaciones 2061-2080 de 3929
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Systematic review of aquatic physical exercise programs on functional fitness in older adults
(2021)The practice of physical exercise is recommended in the prevention of the deterioration of neuromuscular functions in aging. The objectives of this systematic review were to describe the protocols used and the functional ...
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Propuesta de percentiles para evaluar el crecimiento físico y la adiposidad corporal en función del estado de madurez en niños y adolescentes chilenos
(2021)Introducción: durante la infancia y la adolescencia existe una gran variabilidad individual en el crecimiento y la maduración biológica, lo que resulta en diferencias en el tamaño, la forma y la composición corporal de los ...
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Recomendaciones higiénicas para servicios alimenticios en entornos hospitalarios durante el confinamiento por covid-19: revisión panorámica
(2021)Objetivo: Explorar las principales medidas de higiene e inocuidad alimentaria para servicios de alimenticios en entornos hospitalarios durante el período de confinamiento por COVID-19. Métodos: Se desarrolló una revisión ...
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Differential impact of an eclipse on photosynthetic performance of trees with different degrees of shade tolerance
(2021)Solar eclipses represent a natural and unexpected event for plants that can potentially affect photosynthetic performance at the individual level. This effect, however, has seldom been evaluated. Here, we measured the ...
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Symbiotic interaction enhances the recovery of endangered tree species in the fragmented maulino forest
(2021)Beneficial plant-associated microorganisms, such as fungal endophytes, are key partners that normally improve plant survival under different environmental stresses. It has been shown that microorganisms from extreme ...
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Isolation and characterization of microsatellites for the endangered endemic tree Nothofagus alessandrii (Nothofagaceae)
(2021)Nothofagus alessandrii (Nothofagaceae) is one of the most endangered trees from Chile due to high rates of habitat disturbance caused by human activities. Despite its conservation status, few molecular markers are available ...
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A systematic review on the effects of Epichloë fungal endophytes on drought tolerance in cool-season grasses
(2021)Symptomless fungal endophytes in the genus Epichloë are repeatedly mentioned to increase tolerance of cool-season grasses to a wide range of environmental stress factors, mainly drought. However, the generality of this ...
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What if the cold days return? epigenetic mechanisms in plants to cold tolerance
(2021)Low temperatures are one of the most critical environmental conditions that negatively affect the growth, development, and geographic distribution of plants. Exposure to low temperatures results in a suit of physiological, ...
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Getting ready for the ozone battle: vertically transmitted fungal endophytes have transgenerational positive effects in plants
(2021)Ground-level ozone is a global air pollutant with high toxicity and represents a threat to plants and microorganisms. Although beneficial microorganisms can improve host performance, their role in connecting environmentally ...
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Percepción de adultos mayores chilenos en relación a la salud y el ejercicio físico en pandemia covid-19
(2021)El propósito de este artículo es comprender el significado que le otorgan adultos mayores de la zona central de Chile al periodo de la pandemia Covid-19 respecto a la salud y al ejercicio físico. Desde el punto de vista ...
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Soil mesofauna responses to fire severity in a sclerophyllous forest in central Chile
(2021)Forest fires may have severe impacts on the aboveground biodiversity and soil chemical and biological properties. Edaphic organisms are highly sensitive to disturbances and are typically used to measure the magnitude of ...
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Deletion of TRPV3 and CaV3.2 T-type channels in mice undermines fertility and Ca2+ homeostasis in oocytes and eggs
(2021)Ca2+ influx during oocyte maturation and after sperm entry is necessary to fill the internal Ca2+ stores and for complete egg activation. We knocked out the transient receptor potential vanilloid member 3 (TRPV3) and the ...
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Exploratory analysis of color forms’ variability in the invasive asian lady beetle Harmonia axyridis (Pallas 1773)
(2021)The Asian ladybird (Harmonia axyridis Pallas), native to Asia, is one of the 100 most invasive species in the world and has spread worldwide. This study aimed to characterize color forms of H. axyridis in Croatia and to ...
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Training strategies to minimize interchannel interference effects using supervised learning in gridless Nyquist-WDM systems
(2021)The dynamism envisioned in future high-capacity gridless optical networks requires facing several challenges in distortion mitigation, such as the mitigation of interchannel interference (ICI) effects in any optical channel ...
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Characterization of five chilean agribusiness by-products and their potential use as food supplements
(2021)Chilean agribusiness generates large quantities of by-products and they have been little studied. According to the literature they represent important sources of sugar, protein, lipid, micronutrient, fiber, and others that ...
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Effects of a hybrid multi-professional intervention on morphological and cardiorespiratory parameters in overweight or obese females
(2021)Background: Obesity is a chronic, non-communicable, multifactorial disease that different governmental and non-governmental organizations consider a pandemic. It has even been reported as the disease to be combated in the ...
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Estimation of pubertal growth spurt parameters in children and adolescents living at moderate altitude in Colombia
(2021)Objective: Knowledge of the biological parameters of pubertal growth spurt allows verification of secular changes and exploration of the timing of puberty. The aim of the study was to estimate final height, age at peak ...
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Conocimiento especializado sobre gráficos estadísticos de futuras maestras de educación infantil
(2021)En este estudio se busca caracterizar el conocimiento especializado sobre gráficos estadísticos por 102 futuras maestras de educación infantil en Chile. Se sigue una metodología cualitativa, de nivel descriptivo, basada ...
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Autoconfianza de los estudiantes de técnico en enfermería a partir de una experiencia clínica simulada
(2021)Se evalúa el efecto de una secuencia didáctica que incorporó la utilización de simulación clínica de baja fidelidad con apoyo de tecnología, con diferentes escenarios virtuales que reunía diversos casos clínicos. Esto con ...