Repositorio UMAYOR: Envíos recientes
Mostrando ítems 1961-1980 de 8199
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Spatio-Temporal Variation of the Urban Heat Island in Santiago, Chile during Summers 2005-2017
(MDPI Multidisciplinary Digital Publishing Institute, 2020-10)Urban heat islands (UHIs) can present significant risks to human health. Santiago, Chile has around 7 million residents, concentrated in an average density of 480 people/km(2). During the last few summer seasons, the highest ... -
Child maltreatment and cardiovascular disease: quantifying mediation pathways using UK Biobank
(BioMed Central Ltd., 2020-06)BackgroundChild maltreatment is associated with cardiovascular disease (CVD), but mediation pathways have not been fully elucidated. The aim of the current study was to determine and quantify the underlying pathways linking ... -
Axonal Degeneration in AD: The Contribution of A beta and Tau
(Frontiers Media S.A., 2020-10)Alzheimer's disease (AD) represents the most common age-related neurodegenerative disorder, affecting around 35 million people worldwide. Despite enormous efforts dedicated to AD research over decades, there is still no ... -
Associations of fat and carbohydrate intake with cardiovascular disease and mortality: prospective cohort study of UK Biobank participants
(BMJ Publishing Group, 2020-03)Objective - To investigate the association of macronutrient intake with all cause mortality and cardiovascular disease (CVD), and the implications for dietary advice. Design - Prospective population based study. Setting - ... -
Association of injury related hospital admissions with commuting by bicycle in the UK: prospective population based study
(BMJ Publishing Group, 2020-03)OBJECTIVE: To determine whether bicycle commuting is associated with risk of injury. DESIGN: Prospective population based study. SETTING: UK Biobank. PARTICIPANTS: 230390 commuters (52.1% women; mean age 52.4 years) recruited ... -
Association Between Walking Pace and Stroke Incidence Findings From the UK Biobank Prospective Cohort Study
(Lippincott Williams and Wilkins Ltd., 2020-05)Background and Purpose- Stroke incidence in younger and middle-aged people is growing. Despite this, its associations in this subset of the stroke population are unknown, and prevention strategies are not tailored to meet ... -
Height growth-rate at a given height: A mathematical perspective for forest productivity
(Elsevier, 2020-09)Understanding the height growth of trees is a fundamental component for scientific knowledge and management of forest ecosystems. The height of dominant trees at a reference-age, commonly known as the site-index, is the ... -
Distinct oxygen environments shape picoeukaryote assemblages thriving oxygen minimum zone waters off central Chile
(Oxford University Press, 2020-09)Oxygen minimum zones (OMZs) support ocean biogeochemical cycles of global importance. The OMZ off central Chile is characterized by seasonally variable oxygen concentrations due to upwelling events. Bacterial and archaeal ... -
Discriminative learning and associative memory under the differential outcomes procedure is modulated by cognitive load
(Elsevier, 2020-07)Working memory (WM) has been thought to be the cause of associative memory deficits in older adults. Previous research has demonstrated the benefits of a discriminative learning procedure, the differential outcomes procedure ... -
Deciphering the functional diversity of DNA-binding transcription factors in Bacteria and Archaea organisms
(Public Library of Science, 2020-08)DNA-binding Transcription Factors (TFs) play a central role in regulation of gene expression in prokaryotic organisms, and similarities at the sequence level have been reported. These proteins are predicted with different ... -
Core-periphery dynamics in a plant-pollinator network
(Wiley-Blackwell Publishing Ltd, 2020-07)Mutualistic networks are highly dynamic, characterized by high temporal turnover of species and interactions. Yet, we have a limited understanding of how the internal structure of these networks and the roles species play ... -
Connectivity of bacterial assemblages along the Loa River in the Atacama Desert, Chile
(PeerJ Inc., 2020-10)The Loa River is the only perennial artery that crosses the Atacama Desert in northern Chile. It plays an important role in the ecological and economic development of the most water-stressed region, revealing the impact ... -
Characterizing growth rings in the trees of Peru: A wood anatomical overview for potential applications in dendroecological-related fields
(Elsevier GmbH, 2020-08)Sustainable forestry requires accurate ecological information such as species composition, growth rates and recruitment dynamics. Tree growth rates are usually obtained through long-term periodic re-measurements of individual ... -
Cancer cells with defective oxidative phosphorylation require endoplasmic reticulum-to-mitochondria Ca2+ transfer for survival
(American Association for the Advancement of Science, 2020-07)Spontaneous Ca2+ signaling from the InsP(3)R intracellular Ca2+ release channel to mitochondria is essential for optimal oxidative phosphorylation (OXPHOS) and ATP production. In cells with defective OXPHOS, reductive ... -
Cancer cases and deaths attributable to lifestyle risk factors in Chile
(Univ Mayor, Ctr Invest Fisiol Ejercicio CIFE, Chile, 2020-07)Background To identify modifiable risk factors that contribute to cancer holds important public health relevance for setting up prevention strategies. Therefore, the aim of this study was to estimate the proportion of ... -
Biometric Analysis of Healthy Coronary Arteries in a Chilean Population: An Angiographic Study
(Universidad de la Frontera, 2020-12)Thorough knowledge and understanding of coronary arteries and their anatomy is essential when performing cardiac surgery such as a coronary bypass. Coronary angiography is a minimally invasive method used to evaluate the ... -
Biomarkers Profile of People With Sarcopenia: A Cross-sectional Analysis From UK Biobank
(Elsevier Inc., 2020-12)Objective: This study aimed to characterize the biomarker profile of sarcopenic vs nonsarcopenic men and women, using the current European Working Group on Sarcopenia in Older People (EWGSOP2) definition in the UK Biobank ... -
Bacterially produced metabolites protect C. elegans neurons from degeneration
(Public Library of Science, 2020-03)Caenorhabditis elegans and its cognate bacterial diet comprise a reliable, widespread model to study diet and microbiota effects on host physiology. Nonetheless, how diet influences the rate at which neurons die remains ... -
Menopausia y factores de riesgo cardiovascular en mujeres chilenas
(Sociedad Medica de Santiago, 2020-02)Background: Menopause exposes women to an increased cardiovascular risk. Aim: To determine the association between menopause and cardiovascular risk factors in Chilean adult women using data from the National Health Survey ... -
Integrating conflict, lobbying, and compliance to predict the sustainability of natural resource use
(The Resilience Alliance, 2020-06)Predictive models are sorely needed to guide the management of harvested natural resources worldwide, yet existing frameworks fail to integrate the dynamic and interacting governance processes driving unsustainable use. ...