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Mostrando ítems 1166-1185 de 2523
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Histological comparison of DBBM and platelet rich fibrin for guided bone regeneration in a rabbit model
(Elsevier BV, 2020-09)Purpose: To histologically evaluate the use of bovine derived deproteinized xenograft (DBBM), leukocyte and platelet rich fibrin (L-PRF) and the combination of both in Guided Bone Regeneration (GBR) performed in non-critical ... -
Histomorphometric Analysis of Osseointegrated Grade V Titanium Mini Transitional Implants in Edentulous Mandible by Backscattered Scanning Electron Microscopy (BS-SEM)
(MDPI, 2021-01)The purpose of this study is to assess the use of grade V titanium mini transitional implants (MTIs) immediately loaded by a temporary overdenture. For this, a histomorphometric analysis of the bone area fraction occupancy ... -
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, ... -
Historia, producción y continuidad de la Sociedad de Folklore Chileno (1909-2008)
(Argentina. Universidad Nacional de Córdoba, 2019-12-18)El presente artículo describe la historia, producción y continuidad intelectual de la Sociedad de Folklore Chileno, organismo académico fundado en 1909, pionero en el estudio del folclore material e inmaterial en Chile. ... -
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 ... -
Histórias corporativas e a ideia da América Latina
(Chile. Universidad Mayor, 2021-02)O objetivo deste artigo é contribuir para uma grande variedade de perspectivas teóricas e configurações empíricas para gerar evidências cumulativas sobre a influência de legados históricos e capacidade organizacional para ... -
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 ... -
Hormetic-Like Effects of L-Homocysteine on Synaptic Structure, Function, and Aβ Aggregation
(MDPI Multidisciplinary Digital Publishing Institute, 2020-02)Alzheimer's Disease (AD) is the primary cause of dementia among the elderly population. Elevated plasma levels of homocysteine (HCy), an amino acid derived from methionine metabolism, are considered a risk factor and ... -
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, ... -
Hormonal changes in acclimatized soldiers during a march at a high altitude with mountain skis
(Chile. Universidad Mayor, 2019)Background: The aim of the present study is to identify the physiological impact of acute exposure to high altitudes on special acclimatized troops of the Chilean Army. Twenty-nine soldiers carried out a nocturnal winter ... -
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 ... -
Hulda Guzmán (1984, Santo Domingo, República Dominicana)
(Chile. Universidad Mayor, 2020-05)Con sus colores, matices y formas particulares, Hulda Guzmán convierte esa superficie –el del enchapado industrial, para ser más precisos– en un elemento pictórico. Este elemento domina la composición: no sólo se encuentra ...