Repositorio UMAYOR: Envíos recientes
Mostrando ítems 1041-1060 de 7937
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National Health Systems and COVID-19 Death Toll Doubling Time
(FRONTIERS MEDIA SA, 2021-07-15)Coronavirus disease 2019 (COVID-19) has placed stress on all National Health Systems (NHSs) worldwide. Recent studies on the disease have evaluated different variables, namely, quarantine models, mitigation efforts, damage ... -
Soil bacterial community structure of fog-dependent Tillandsia landbeckii dunes in the Atacama Desert
(SPRINGER WIEN, 2021-09-06)The interplay between plants and soil drives the structure and function of soil microbial communities. In water-limited environments where vascular plants are often absent and only specialized groups of rootless plants ... -
Coalition incentives and party bias in Chile
(ELSEVIER SCI LTD, 2021-08-01)This article revisits the debate over Chile's binomial electoral rules and its consequences and examines how the new electoral system conceived by a democratic congress altered political competition. It utilizes a seat-vote ... -
Construction of 0D/2D composites heterostructured of CdTe QDs/ZnO hybrid layers to improve environmental remediation by a direct Z-scheme
(ELSEVIER, 2021-09-19)Layered hybrid ZnO (2D) intercalated by myristic acid (MA) with (0D) CdTe quantum dots (QDs) was designed to increase the conversion efficiency of photochemical energy. The results showed that the introduction of CdTe QDs ... -
Keeping zombies alive: The ER-mitochondria Ca2+ transfer in cellular senescence
(ELSEVIER, 2021-08-31)Cellular senescence generates a permanent cell cycle arrest, characterized by apoptosis resistance and a pro-inflammatory senescence-associated secretory phenotype (SASP). Physiologically, senescent cells promote tissue ... -
In the Right Place at the Right Time: Regulation of Cell Metabolism by IP3R-Mediated Inter-Organelle Ca2+ Fluxes
(FRONTIERS MEDIA SA, 2021-03-22)In the last few years, metabolism has been shown to be controlled by cross-organelle communication. The relationship between the endoplasmic reticulum and mitochondria/lysosomes is the most studied; here, inositol ... -
Assédio moral no trabalho e saúde mental em trabalhadores chilenos: o papel do gênero
(CADERNOS SAUDE PUBLICA, 2021-04-16)O assédio moral no trabalho ganhou relevância nas últimas décadas devido à sua crescente magnitude e às consequências negativas sobre a saúde dos trabalhadores, sendo que existem diversos enfoques para estudá-la. Entretanto, ... -
A decade later, reviewing floating marine debris in Northern Chilean Patagonia
(PERGAMON-ELSEVIER SCIENCE LTD, 2021-07-07)Floating marine debris (FMD) were abundantly reported in the Northern Chilean Patagonia in 2009 where seabased activities (mussel and salmon aquaculture) are responsible for most of them. Identifying the sources of FMD is ... -
Multiplex TaqMan Real-Time PCR Assay for Sensitive Detection of Two Weevil Species (Coleoptera: Curculionidae)
(OXFORD UNIV PRESS INC, 2021-06-04)Rapid and cost-efficient identification of Naupactus species is becoming a key process for the exportation of citrus fruit from Chile and other countries, considering the quarantine regulations for some species of the ... -
Stages of change in the purchase of ultra-processed snacks among university students after the implementation of the chilean food law; a multi-center study
(ARCHIVOS LATINOAMERICANOS NUTRICION, 2021-05-23)The Objective is to determine the stages of change in the behavior of university students regarding the purchase of ultra-processed snacks consumed. Multi-center study (14 Chilean universities). The participants (4,807 ... -
The Hamstrings: Anatomic and Physiologic Variations and Their Potential Relationships With Injury Risk
(FRONTIERS MEDIA SA, 2021-07-07)The incidence and recurrence of hamstrings injuries are very high in sports, posing elevated performance and financial-related costs. Attempts to identify the risk factors involved in predicting vulnerability to hamstrings ... -
Strength Training versus Stretching for Improving Range of Motion: A Systematic Review and Meta-Analysis
(MDPI, 2021-05-11)Background: Stretching is known to improve range of motion (ROM), and evidence has suggested that strength training (ST) is effective too. However, it is unclear whether its efficacy is comparable to stretching. The goal ... -
Unilateral versus Bilateral Landing after Spike Jumps in Male and Female Volleyball: A Systematic Review
(MDPI, 2021-08-06)Background: The spike is a key action in volleyball, and the landing technique and its asymmetries are commonly associated with an increased risk of injury. Objectives: The aim of this systematic review was to assess how ... -
The Effectiveness of Post-exercise Stretching in Short-Term and Delayed Recovery of Strength, Range of Motion and Delayed Onset Muscle Soreness: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
(FRONTIERS MEDIA SA, 2021-05-05)Background: Post-exercise (i.e., cool-down) stretching is commonly prescribed for improving recovery of strength and range of motion (ROM) and diminishing delayed onset muscular soreness (DOMS) after physical exertion. ... -
Prevalence and co-occurrence of lifestyle risk factors for non-communicable diseases according to sociodemographic characteristics among adults Chilean residents
(NATURE PORTFOLIO, 2021-11-04)To examine the prevalence and co-occurrence of lifestyle risk factors for non-communicable diseases (NCDs) according to sociodemographic characteristics in Chilean residents. A cross-sectional study based on data from 5995 ... -
Soft or Hard? Investigating the Deformation Mechanisms of Au-Pd and Pd Nanocubes under Compression: An Experimental and Molecular Dynamics Study
(AMER CHEMICAL SOC, 2021-11-18)In the search for new mechanisms to improve and control the mechanical properties of nanostructures, the idea of tuning the strength through composition is appealing because of the extensive experimental availability of ... -
Medidor de vibraciones en tiempo real para helicópteros
(Chile. Universidad Mayor, 2007-06)El Proyecto "Medición de Vibraciones en Tiempo Real para Helicópteros", desarrolla un sistema de medición en tiempo real de las vibraciones de los rotores a un bajo costo. De esta manera, se busca facilitar la solución del ... -
Migración de la plataforma SAP hacia un data center de clase mundial
(Chile. Universidad Mayor, 2007-03)El Proyecto "Migración de Plataforma SAP hacia un Data Center de Clase Mundial", está orientado a analizar e implementar la base tecnológica para llevar a cabo la migración de la plataforma productiva de SAP a un nuevo ... -
Mejoramiento de sistema distanciómetro laser para la medición volumétrica de camiones forestales
(Chile. Universidad Mayor, 2007-07)El Proyecto "Mejoramiento de Sistema Distanciómetro Láser para la Medición Volumétrica de Camiones Forestal", tiene como objetivo contribuir a mejorar el sistema de medición de metros ruma de entrada a la etapa de adquisición ... -
Banco de prueba automatizado para bombas de control de fluídos de los equipos de diagnóstico clínico de Abbott Laboratorios
(Chile. Universidad Mayor, 2007-08)El Proyecto "Banco de Prueba Automatizado para Bombas de Control de Fluídos de los Equipos de Diagnóstico Clínico de Abbott Laboratorios Chile L TDA", está orientado a satisfacer la necesidad de Abbott Laboratorios. Esta ...