Listar Artículos WOS por título
Mostrando ítems 828-847 de 1852
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Histopathological findings in Gonads of Xenopus laevis from Central Chile.
(CIENCIAS, 2014)A fin de realizar un estudio histológico gonadal, se capturaron ejemplares adultos de Xenopus laevis en cuatro sitios de la región central de Chile. Los resultados evidenciaron ausencia de alteraciones gonadales en hembras, ... -
Historical trends in the grade of onset and sequence of cigarette, alcohol, and marijuana use among adolescents from 1976-2016: Implications for"Gateway"patterns in adolescence
(ELSEVIER IRELAND LTD, 2019)Introduction: In the past decade, marijuana use prevalence among adolescents has remained relatively steady while cigarette and alcohol prevalence has declined. We examined historical trends in: average grade of onset of ... -
Hollow Gold Nanoparticles Produced by Femtosecond Laser Irradiation
(American Chemical Society, 2020-07)Metallic hollow nanoparticles exhibit interesting optical properties that can be controlled by geometrical parameters. Irradiation with femtosecond laser pulses has emerged recently as a valuable tool for reshaping and ... -
Home sweet home: social dynamics and genetic variation of a long-term resident bottlenose dolphin population off the Chilean coast
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2018)Coastal resident and pelagic nonresident bottlenose dolphins, Tursiops truncatus, have been described in north-central Chile. Using long-term residence data (over 13 years of photo-identification) and genetic mtDNA ... -
Home-based exercise programmes improve physical fitness of healthy older adults: A PRISMA-compliant systematic review and meta-analysis with relevance for COVID-19
(ELSEVIER IRELAND LTD, 2021-04-19)This systematic review and meta-analysis aimed to examine the effects of home-based exercise programmes on measures of physical-fitness in healthy older adults. Seventeen randomized-controlled trials were included with a ... -
Homozygous mutation in CEP19, a gene mutated in morbid obesity, in Bardet-Biedl syndrome with predominant postaxial polydactyly
(BMJ PUBLISHING GROUP, 2018)Background Bardet-Biedl syndrome (BBS) is a ciliopathy with extensive phenotypic variability and genetic heterogeneity. We aimed to discover the gene mutated in a consanguineous kindred with multiple cases of a BBS phenotype. ... -
Honeybee health in South America
(CIENCIAS, 2016)Honeybees are essential components to modern agriculture and economy. However, a continuous increase in cases of colony losses and colony depopulation are being reported worldwide. This critical situation has put the fragile ... -
Hormiga argentina Linepithema humile Mayr, 1868 (Hymenoptera: Formicidae) y su rol como posible vector de contaminación microbiana en una lechería de cabras Capra hircus Linnaeus, 1758 (Artiodactyla: Bovidae)
(CIENCIAS, 2015)Se trata de establecer la acción de la hormiga argentina Linepithema humile, como potencial vector mecánico de microorganismos patógenos. Desde un plantel lechero de cabras ubicado en la comuna de Lampa, Región Metropolitana, ... -
How do teachers conceive the role of emotions in teaching and learning? An analysis of the affective component of their beliefs
(ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD, 2018)The study below analyses the characteristics of the discourse of 32 primary school instructors who, according to the findings of a previous study, had different conceptions of emotions and their role in the teaching-learning ... -
How do we assess a racial disparity in health? Distribution, interaction, and interpretation in epidemiological studies
(ELSEVIER SCIENCE INC, 2019)Identifying the exposures or interventions that exacerbate or ameliorate racial health disparities is one of the fundamental goals of social epidemiology. Introducing an interaction term between race and an exposure into ... -
Human Infections with Pseudoterranova cattani Nematodes, Chile
(CIENCIAS, 2015)To the Editor: Anisakidosis is an emerging foodborne zoonosis caused by nematode larvae of the Anisakinae subfamily, which includes the genera Anisakis, Pseudoterranova, and Contracecum (1). In natural cycles, anisakid ... -
Humic acids as molecular assemblers in the surface-enhanced Raman scattering detection of polycyclic aromatic hydrocarbons
(CIENCIAS, 2008)A humic acid (HA) extracted from lignite was successfully used in surface-enhanced Raman scattering SERS experiments as molecular occlusion assembler deposited onto a Ag colloidal surface to detect the polycyclic aromatic ... -
Huntingtin and Rab27a are involved in the secretion of exosomes from astroglial cells.
(WILEY, 2019)Sin resumen -
Hybrid porous silicon/green synthetized Ag microparticles as potential carries for Ag nanoparticles and drug delivery
(Elsevier BV, 2020-11)In the present work, the fabrication of hybrid porous silicon/green synthetized Ag microparticles was shown and the potential use as carriers for Ag nanoparticles and drug delivery was explored. Hybrid microparticles were ... -
Hydration status after exercise affect resting metabolic rate and heart rate variability
(CIENCIAS, 2015)Introducción: La variabilidad del ritmo cardiaco y la tasa metabólica basal se utilizan en evaluaciones de deportistas. La deshidratación por ejercicio puede conducir a pérdidas de hasta 5% de la masa corporal. En consecuencia, ... -
Hydroclimatic variations reveal differences in carbon capture in two sympatric conifers in northern Mexico
(PEERJ INC, 2019)Background. Forest ecosystems are considered among the largest terrestrial carbon sinks. The dynamics of forest carbon depend on where the carbon is stored and its responses to environmental factors, as well as the physiology ... -
Hydrogen effects on the mechanical properties of nanocrystalline free-standing Palladium thin films
(Elsevier Ltd., 2020-05)Pd membranes are used both in hydrogen detection and hydrogen separation devices. Their properties can be improved at the nanometer scale. We simulate atomistically the tensile properties of Pd mono and polycrystalline ...