Repositorio UMAYOR: Envíos recientes
Mostrando ítems 2001-2020 de 8199
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Magnon valley Hall effect in CrI3-based van der Waals heterostructures
(American Physical Society, 2020-05)Magnonic excitations in the two-dimensional (2D) van der Waals (vdW) ferromagnet chromium triiodide (CrI3) are studied. We find that bulk magnons exhibit a nontrivial topological band structure without the need for ... -
Looking for the Past: History and Change in Traditional Music Studies in Chile (1990-2020)
(International Council for Traditional Music, 2020-11)This article presents a historical overview of traditional music studies in Chile, pointing out some of the main achievements and problems. It describes the origins of traditional music studies through the establishment ... -
Localising urban sustainability indicators: The CEDEUS indicator set, and lessons from an expert-driven process
(Elsevier Ltd., 2020-06)The development and application of urban sustainability indicators has gained momentum in recent years, especially since the generation of specific urban indicators for the Agenda 2030. Urban sustainability is a broad ... -
Life-history dimensions indicate non-random assembly processes in tropical island tree communities
(Wiley-Blackwell Publishing Ltd, 2021-03)Community assembly processes on islands are often non-random. The mechanisms behind non-random assembly, however, are generally difficult to disentangle. Functional diversity in combination with a null model approach that ... -
Knowledge translation strategies for dissemination with a focus on healthcare recipients: an overview of systematic reviews
(BioMed Central Ltd., 2020-03)Background While there is an ample literature on the evaluation of knowledge translation interventions aimed at healthcare providers, managers, and policy-makers, there has been less focus on patients and their informal ... -
Isolation and Identification of Soil Bacteria from Extreme Environments of Chile and Their Plant Beneficial Characteristics
(MDPI AG, 2020-08)The isolation of soil bacteria from extreme environments represents a major challenge, but also an opportunity to characterize the metabolic potential of soil bacteria that could promote the growth of plants inhabiting ... -
Intranasal oxytocin increases respiratory rate and reduces obstructive event duration and oxygen desaturation in obstructive sleep apnea patients: a randomized double blinded placebo controlled study
(Elsevier, 2020-10)Background: Activation of the oxytocin network has shown benefits in animal models of Obstructive Sleep Apnea (OSA) as well as other cardiorespiratory diseases. We sought to determine if nocturnal intranasal oxytocin ... -
Structural bases that underline Trypanosoma cruzi calreticulin proinfective, antiangiogenic and antitumor properties
(Urban und Fischer Verlag GmbH und Co. KG, 2020-01)Microbes have developed mechanisms to resist the host immune defenses and some elicit antitumor immune responses. About 6 million people are infected with Trypanosoma cruzi, the protozoan agent of Chagas' disease, the sixth ... -
Structural Relaxation and Crystalline Phase Effects on the Exchange Bias Phenomenon in FeF2/Fe Core/Shell Nanoparticles
(John Wiley and Sons Ltd, 2020-09)In this study, the power of first-principles methods along with molecular dynamics and atomistic Monte Carlo simulations is employed to elucidate the effects of the structural relaxation on the exchange bias (EB) behavior ... -
Estructura y regeneración de bosques de Prumnopitys andina en los Andes del sur de Chile
(Universidad de Concepcion, 2020-06)Prumnopitys andina (lleuque) es una especie de conífera con una distribución restringida en Chile y Argentina. A pesar de su importancia ecológica, los conocimientos sobre la estructura y dinámica de los bosques donde crece ... -
Sudden gait perturbations elicit sex-specific neuromuscular trunk responses in persons with low back pain
(Elsevier Ltd., 2020-03)Persons with low back pain (LBP) exhibit delayed trunk muscle onset and increased co-contractions as a response to quasi-static and dynamic sudden trunk loading in comparison to back-healthy controls. Although LBP is more ... -
La superficie como retrato de la resistencia
(Pontificia Universidad Catolica de Chile, 2020-08)Tras el estallido social de octubre de 2019 en Chile, la arquitectura se transformó en una de sus evidencias materiales. Con el afán de resistir los posibles embates de violencia, se cubrieron las fachadas de los edificios ... -
Taxonomic reassignment of Pseudohaptolina birgeri comb. nov. (Haptophyta)
(Allen Press Inc., 2020-11)The haptophyte genus Pseudohaptolina (formerly Chrysochromulina clade B1-3) currently harbours two species: Pseudohaptolina arctica and Pseudohaptolina sorokinii. In addition, Chrysochromulina birgeri is expected to belong ... -
The association of the neutrophil-lymphocyte ratio with the presence of minimal residual disease and outcome in patients with Stage II colon cancer treated with surgery alone
(Wiley-Blackwell Publishing Ltd, 2021-04)Aim Despite curative surgery, 25% of patients with Stage II colorectal cancer will relapse due to minimal residual disease (MRD). Markers of immune function, such as the neutrophil to lymphocyte ratio (NLR), may be associated ... -
The impact of cannabis legalization in Uruguay on adolescent cannabis use
(Elsevier, 2020-06)Background: In 2013, Uruguay became the first country in the world to legalize recreational cannabis, instituting a non-commercial state regulatory model of production and supply. This study provides the first empirical ... -
The Microbial Composition in Circumneutral Thermal Springs from Chignahuapan, Puebla, Mexico Reveals the Presence of Particular Sulfur-Oxidizing Bacterial and Viral Communities
(MDPI AG, 2020-11)Terrestrial thermal springs are widely distributed globally, and these springs harbor a broad diversity of organisms of biotechnological interest. In Mexico, few studies exploring this kind of environment have been described. ... -
The Mitochondrial Unfolded Protein Response: A Hinge Between Healthy and Pathological Aging
(Frontiers Media S.A., 2020-09)Aging is the time-dependent functional decline that increases the vulnerability to different forms of stress, constituting the major risk factor for the development of neurodegenerative diseases. Dysfunctional mitochondria ... -
The negative effect of lianas on tree growth varies with tree species and seasonPalavras-chave
(Wiley-Blackwell, 2020-05)Lianas reduce tree growth, reproduction, and survival in tropical forests. Liana competition can be particularly intense in isolated forest fragments, where liana densities are high, and thus, host tree infestation is ... -
Situación actual del cáncer de colon en Chile: una mirada traslacional
(Sociedad Medica de Santiago, 2020-06)Colorectal (CRC) is one of the most common types of cancer worldwide. Most tumors develop from an adenoma in a period of 10 to 15 years, but some may appear without previous adenomatous lesions. Seventy-five percent of ... -
The Reprimo-Like Gene Is an Epigenetic-Mediated Tumor Suppressor and a Candidate Biomarker for the Non-Invasive Detection of Gastric Cancer
(MDPI Multidisciplinary Digital Publishing Institute, 2020-12)Reprimo-like (RPRML) is an uncharacterized member of the Reprimo gene family. Here, we evaluated the role of RPRML and whether its regulation by DNA methylation is a potential non-invasive biomarker of gastric cancer. RPRML ...