Repositorio UMAYOR: Envíos recientes
Mostrando ítems 3421-3440 de 7669
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Effects of Expiratory Muscle Training and Air Stacking on Peak Cough Flow in Individuals with Parkinson's Disease
(SPRINGER, 2020)The purpose of this study was to investigate the effects of air stacking (AS) and an expiratory muscle training (EMT) program to increase voluntary and reflex peak cough flow (PCF) in individuals with Parkinson's disease. ... -
Silicic volcanism triggered by increased denudation rates in the Quaternary Andean arc of central Chile between 33 degrees 50 '-34 degrees 30 ' S
(ELSEVIER, 2020)In central Chile (33 degrees 50'-34 degrees 30'S), the Quaternary arc records a distinctive episode of silicic volcanism (SiO2 >70 wt%) that occurred during latest Pleistocene (0.1-1 Ma). This episode is recorded in several ... -
Culturable diversity of Arctic phytoplankton during pack ice melting
(UNIV CALIFORNIA PRESS, 2020)Massive phytoplankton blooms develop at the Arctic ice edge, sometimes extending far under the pack ice. An extensive culturing effort was conducted before and during a phytoplankton bloom in Baffin Bay between April and ... -
Stress, sleep, and sex: A review of endocrinological research in Octodon degus
(ACADEMIC PRESS INC ELSEVIER SCIENCE, 2019)The Common Degu (Octodon degus) is a small rodent endemic to central Chile. It has become an important model for comparative vertebrate endocrinology because of several uncommon life-history features - it is diurnal, shows ... -
La importancia de la articulación territorial de escala intermedia en la recuperación de la memoria del trabajo: el caso de Barbate
(UNIV SEVILLA, EDITORIAL, 2019)This article explores the recovery of industrial environments to verify the influence that both the coastal landscape and productive activity have on the configuration of the identity image of medium-scale cities. For this, ... -
Removal of a non-climatically induced seven-year cycle from Nothofagus pumilio tree-ring width chronologies from Tierra del Fuego, Argentina for their use in climate reconstructions
(ELSEVIER GMBH, 2019)A pronounced seven-year cycle is one of the most prominent features of many Fuegian and southern Patagonian Nothofagus pumilio tree-ring width chronologies. However, the source of this variability is still unclear. Here ... -
A Prunus persica genome-wide RNA-seq approach uncovers major differences in the transcriptome among chilling injury sensitive and non-sensitive varieties
(WILEY, 2019)Chilling injury represents a major constrain for crops productivity. Prunus persica, one of the most relevant rosacea crops, have early season varieties that are resistant to chilling injury, in contrast to late season ... -
Prevalence and patterns of active commuting according to socio-demographic factors in the Chilean population
(ELSEVIER SCI LTD, 2019)Introduction: The objective of this study was to investigate levels of self-reported active commuting by socio-demographics factors in Chile. Methods: This cross-sectional study was conducted in 5,157 participants (women: ... -
Limiting Alcohol Outlet Density to Prevent Alcohol Use and Violence: Estimating Policy Interventions Through Agent-Based Modeling
(OXFORD UNIV PRESS INC, 2019)Increasing alcohol outlet density is well-documented to be associated with increased alcohol use and problems, leading to the policy recommendation that limiting outlet density will decrease alcohol problems. Yet few studies ... -
Relationship Between Nostril, Nasal Valve and Minimal Cross-Sectional Area in Functional Upper Airway
(LIPPINCOTT WILLIAMS & WILKINS, 2019)Purpose: To propose a three-dimensional cephalometric analysis of upper airway (UA) related to its functionality, defining normal reference values in healthy individuals and the relationship between nostril, nasal valve, ... -
Gluconeogenic Enzymes in beta-Cells: Pharmacological Targets for Improving Insulin Secretion
(ELSEVIER SCIENCE LONDON, 2019)Pancreatic beta-cells express the gluconeogenic enzymes glucose 6-phosphatase (G6Pase), fructose 1,6-bisphosphatase (FBP), and phosphoenolpyruvate (PEP) carboxykinase (PCK), which modulate glucose-stimulated insulin secretion ... -
Characterization of the fungitoxic activity on Botrytis cinerea of the aristolochic acids I and II
(WILEY, 2019)The fungitoxic effect of aristolochic acids I and II on mycelial growth and conidial germination of Botrytis cinerea was analysed. Aristolochic acid I had a higher effect on mycelial growth of B. cinerea than aristolochic ... -
Reply to the commentary on: High-speed resistance training in elderly women: Effects of cluster training sets on functional performance and quality of life
(PERGAMON-ELSEVIER SCIENCE LTD, 2019)Sin resumen -
Age, period and cohort effects in frequent cannabis use among US students: 1991-2018
(WILEY, 2019)Background and Aims As the legal status of cannabis changes across the United States and modes of administration expand, it is important to examine the potential impact on adolescent cannabis use. This study aimed to assess ... -
Peer-Based Strategies to Support Physical Activity Interventions for Older Adults: A Typology, Conceptual Framework, and Practice Guidelines
(OXFORD UNIV PRESS INC, 2019)Despite the documented and well-publicized health and well-being benefits of regular physical activity (PA), low rates of participation have persisted among American older adults. Peer-based intervention strategies may be ... -
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 ... -
Recent increases in depressive symptoms among US adolescents: trends from 1991 to 2018
(SPRINGER HEIDELBERG, 2019)BackgroundMental health problems and mental health related mortality have increased among adolescents, particularly girls. These trends have implications for etiology and prevention and suggest new and emerging risk factors ... -
Autophagy as a Homeostatic Mechanism in Response to Stress Conditions in the Central Nervous System
(SPRINGER, 2019)Autophagy is considered a major bulk degradation system that helps cells to counteract different intracellular and extracellular stress signals. Several protein complexes integrate multiple signals in order to activate ... -
Martensitic transformation induced by void defects in the B2-CuZr crystal structure: an atomistic analysis
(TAYLOR & FRANCIS LTD, 2019)Molecular dynamics simulations were carried out to perform tensile tests on B2-CuZr nanofilms at 1 K with a single spherical void defect. Six different samples were considered: a void-free one and five others with a single ... -
Private Pension Systems Built on Precarious Foundations: A Cohort Study of Labor-Force Trajectories in Chile
(SAGE PUBLICATIONS INC, 2019)The success of private pension systems to provide old-age security is mainly a function of continuous individual pension contributions linked to formal employment. Using a rich longitudinal dataset from Chile and employing ...