Universidad Mayor (Chile): últimos ingresos
Mostrando ítems 2841-2860 de 7087
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Factors associated with objectively measured total sedentary time and screen time in children aged 9-11 years
(SOC BRASIL PEDIATRIA, 2019)Objective: To identify factors associated with total sedentary time and screen time in children aged 9-11 years. Methods: For seven consecutive days, 328 children (51.5% boys) used accelerometers to monitor total sedentary ... -
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 ... -
Adherence to physical activity recommendations across age categories: Findings from the 2009-2010 Chilean National Health Survey
(SOC CHILENA NUTRICION, BROMATOLOGIA & TOXICOLOGIA, 2019)Although physical activity (PA) is a protective factor against non-communicable diseases, there is an important proportion of the population who do not meet PA guidelines. Our aim was to investigate how adherence to PA ... -
Development of 26-year-old mixed forests following different regeneration cutting treatments in Andean temperate rainforests of south-central Chile
(ELSEVIER SCIENCE BV, 2019)Tree regeneration following even-aged silvicultural methods in the evergreen forest type (EFT) has been scarcely studied in Chile, although this is the largest forest type in a region of highly productive native forests. ... -
Uncovering the Mechanisms of Halotolerance in the Extremely Acidophilic Members of the Acidihalobacter Genus Through Comparative Genome Analysis
(FRONTIERS MEDIA SA, 2019)There are few naturally occurring environments where both acid and salinity stress exist together, consequently, there has been little evolutionary pressure for microorganisms to develop systems that enable them to deal ... -
Impact of post-thaw supplementation of semen extender with antioxidants on the quality and function variables of stallion spermatozoa
(ELSEVIER SCIENCE BV, 2019)During cryopreservation procedures, the spermatozoa are exposed to physical and chemical stressors that generate an increase in the intracellular concentration of reactive oxygen species (ROS). If ROS concentrations are ... -
Evaluation of the Abundance of DNA-Binding Transcription Factors in Prokaryotes
(MDPI, 2020)The ability of bacteria and archaea to modulate metabolic process, defensive response, and pathogenic capabilities depend on their repertoire of genes and capacity to regulate the expression of them. Transcription factors ... -
The Term Muscle and its Internal Coherence: A Suggestion to Terminologia Histologica
(SOC CHILENA ANATOMIA, 2019)Terminologia Histologica (TH) was prepared following the indications of the International Committee on Anatomical Terminology (FIPAT), however, it is not exempt from errors and inconsistencies. the above information is ... -
Prevalence, molecular characterization and risk factor analysis of Ehrlichia canis and Anaplasma platys in domestic dogs from Paraguay
(ELSEVIER SCI LTD, 2019)This is the first study to investigate the prevalence and risk factors associated with Ehrlichia canis and Anaplasma platys positivity in dogs from Paraguay. Conventional PCR assays for the E. canis 16SrRNA gene and A. ... -
Gene Families, Epistasis and the Amino Acid Preferences of Protein Homologs
(SAGE PUBLICATIONS LTD, 2019)In order to preserve structure and function, proteins tend to preferentially conserve amino acids at particular sites along the sequence. Because mutations can affect structure and function, the question arises whether the ... -
Transplanting, adapting and developing voice pedagogy in Chile
(ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD, 2019)Sin resumen -
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 ... -
Calcium & ROS: Two orchestra directors for the requiem of death
(ELSEVIER SCI LTD, 2020)Tumor necrosis factor alpha (TNF) triggers regulated necrosis of mycobacterium-infected macrophages through of mitochondrial reactive oxygen species (mitoROS) production in a RIPK1/3-dependent manner. To explain that, Roca ... -
Guest Editorial: Local labour markets, migration, and innovation
(SPRINGER HEIDELBERG, 2019)Sin resumen -
Climate signals in tree rings of Paubrasilia echinata (Leguminosae-Caesalpinioidea) from the Atlantic Forest of Brazil
(SPRINGER HEIDELBERG, 2020)Key message Tree-ring chronologies were built for wild and cultivated Paubrasilia echinata, a presently endangered species. Significantly P. echinata showed measurably different growth patterns related to the environment ... -
Questionnaire-Based Prevalence of Physical Activity Level on Adults According to Different International Guidelines: Impact on Surveillance and Policies
(HUMAN KINETICS PUBL INC, 2019)Background: The World Health Organization recommends 150 minutes of moderate to vigorous physical activity (PA) throughout the week. However, the weekly frequency of PA and how to combine moderate and vigorous PA to define ... -
Is neck circumference an appropriate tool to predict cardiovascular risk in clinical practice? A cross-sectional study in Chilean population
(BMJ PUBLISHING GROUP, 2019)Objectives Neck circumference has emerged as a predictor of obesity and metabolic syndrome, but its clinical usefulness for different groups of population is not clearly defined. The aim is to evaluate the predictive ... -
Membrane penetration and trapping of an active particle
(AMER INST PHYSICS, 2019)The interaction between nano- or micro-sized particles and cell membranes is of crucial importance in many biological and biomedical applications such as drug and gene delivery to cells and tissues. During their cellular ... -
Influence iron-iron distance on the thermal decomposition of ammonium perchlorate. New catalysts for the highly efficient combustion of solid rocket propellant
(ELSEVIER SCIENCE SA, 2020)Five homobimetallic compounds derived from indacene and p-phenylene ligands with different Fe-Fe distances have been synthesized. The catalytic effect on the thermal decomposition of Ammonium Perchlorate (AP) of each complex ... -
Food sources of added sugar: Brazilian data (EBANS) from Latin American Nutrition and Health Study (ELANS)
(SOC ESPANOLA DIETETICA & CIENCIAS ALIMENTACION-SEDCA, 2019)Introduction: Brazil has the second highest per capita consumption of sugar in the world and added sugar (AS) contributes to 12.6% of the total energy intake. Objective: To investigate the main food sources of AS intake ...