Artículos científicos: Envíos recientes
Mostrando ítems 2401-2420 de 5726
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Formation pathways of complex organic molecules: OH•projectile colliding with methanol ice mantle (CH3OH)10 (2020)
(EDP Sciences, 2020-09-01)In this article, we simulated the collisions of an OH• projectile impacting on a methanol cluster formed by ten units of methanol to mimic an ice mantle (CH3OH)10. The chemical processes occurring after the impact were ... -
Article
Parkinson's Disease in the Era of a Novel Respiratory Virus Pandemic (2020)
(Frontiers Media S.A., 2020-09-11) -
Article
A new approach to the mechanism for the acetalization of benzaldehyde over MOF catalysts (2020)
(Royal Society of Chemistry, 2020-09-21)The benzaldehyde acetalization reaction catalyzed by UiO-66, and its fluorinated analog UiO-66F, was carried out in a batch-type reactor at room temperature and atmospheric pressure, and the full kinetic study was performed ... -
Article
Electron count and electronic structure of bare icosahedral Au32 and Au33 ionic nanoclusters and ligated derivatives. Stable models with intermediate superatomic shell fillings (2020)
(NLM (Medline), 2020-09-23)DFT calculations were carried out on bare Au32 and Au33 nanoclusters with various charges, in order to analyze their stability with respect to different cluster electron numbers. Results indicate that in addition to the ... -
Article
Concepts for historical and geographical thinking in Sweden’s and Spain’s Primary Education curricula (2020)
(Springer Nature, 2020-09-28)The goal of this study is to compare the presence of concepts for historical and geographical thinking in the national curricula for Primary Education in Spain and Sweden in order to analyze if these thinking concepts can ... -
Article
The global homogenization of urban form. An assessment of 194 cities across time (2020)
(Elsevier B.V., 2020-12)The spatial structure of cities, i.e. their composition, shape and degree of fragmentation or compactness, is a physical expression reflecting development efficiency. Identifying the evolution of urban systems in time and ... -
Article
A macroeconomic contribution: Extended environmental input–output analysis (2020)
(Springer Science and Business Media Deutschland GmbH, 2020-09-24)An environmentally extended Input–Output (IO) model is used to estimate the impact of the increased use of electric cars (EV) on production, Gross Value Added, employment, and greenhouse gas emissions. The year taken as a ... -
Article
Trends in the incidence of the human immunodeficiency (HIV) virus in Chile, by age and gender 2010-2017 (2020)
(Universidad Nacional de Colombia, 2019)Objetive To determine the trends in the incidence of contagion by the HIV in Chile, according to age and gender, for the period 2010-2017. Methods Analysis from the database of confirmed HIV positive diagnosis cases. HIV ... -
Article
HLA-DRB1 Alleles are Associated With COPD in a Latin American Admixed Population (2020)
(Elsevier Doyma, 2020-09-15)Introduction: While the molecular mechanisms of COPD pathogenesis remain obscure, there is mounting evidence supporting a key role for autoimmunity. Although human leukocyte antigens (HLA) alleles have been repeatedly ... -
Article
Author Correction: Detection of SARS-CoV-2 in nasal swabs using MALDI-MS (Nature Biotechnology, (2020), 10.1038/s41587-020-0644-7) (2020)
(Nature Research, 2020-09-17)An amendment to this paper has been published and can be accessed via a link at the top of the paper. -
Article
Institutional responses against natural threats in the government of Chile: The earthquake and tsunami of 1657 in the city of Concepcion (2020)
(University of Sevilla, 2020-06-30)On March 15, 1657, civil and ecclesiastical authorities realized the ruin of the city of Concepcion product of an earthquake and a tsunami. This research analyzes the way in which the population and the authorities reacted ... -
Article
Can Halophilic and Psychrophilic Microorganisms Modify the Freezing/Melting Curve of Cold Salty Solutions? Implications for Mars Habitability (2020)
(NLM (Medline), 2020-09-01)We present the hypothesis that microorganisms can change the freezing/melting curve of cold salty solutions by protein expression, as it is known that proteins can affect the liquid-to-ice transition, an ability that could ... -
Article
Association between executive function, intellectual maturity and physical fitness in preschoolchildren (2020)
(Universidad Autonoma de Madrid y CV Ciencias del Deporte, 2020-09-01)The main aim of this study is to understand the evolutionary profile of the executive function (EF) and the intellectual maturity (IM) in relation to the physical-motor condition in preschool children. A group of 81 children, ... -
Article
Assessment of the chemical composition in different dental implant types: An analysisthrough EDX system (2020)
(MDPI AG, 2020-09-14)The use of dental implants has been increasing in the last years; however, their chemical composition is an important issue due to the fact that the implant surface may suffer a corrosion process, allowing the possibility ... -
Article
Are advanced glycation end products in skin associated with vascular dysfunction markers? A meta-analysis (2020)
(MDPI AG, 2020-09-02)Evidence exists regarding the association between advanced glycation end products and different cardiovascular disease subclinical processes, such as arterial stiffness and atherosclerosis. With this systematic review and ... -
Article
[Cp*RuPb11]3−and [Cu@Cp*RuPb11]2−: centered and non-centered transition-metal substituted zintl icosahedra (2020)
(Royal Society of Chemistry, 2020-09-21)Cluster anions [Cp*RuPb11]3−(1) and [Cu@Cp*RuPb11]2−(2) represent the first vertex-substituted zintl icosahedra and1is the first non-centered zintl icosahedron isolated in the condensed phase. Complexes1and2are both ... -
Article
Assessment of mechanical, thermal, mineral and physical properties of fired clay brick made by mixing kaolinitic red clay and paper pulp residues (2020)
(Elsevier Ltd, 2020-11-15)Among the largest producers of waste, the paper industry stands out due to its impact on human health and ecological balance. However, these residues may also contribute to a more environmental friendly brick industry, ... -
Article
2018 chilean physical activity report card for children and adolescents: Full report and international comparisons (2020)
(Human Kinetics Publishers Inc., 2020)Background: The study summarizes the findings of the 2018 Chilean Report Card (RC) on Physical Activity (PA) for Children and Adolescents and compares the results with the first Chilean RC and with other countries from the ... -
Article
Chilean health professionals’ attitudes towards deafness: A cross-sectional study (2020)
(Association of Support to Oral Health Research (APESB), 2020-05-23)Objective: To assess the attitudes of health professionals towards Deafness and its association with sociodemographic and Deaf contact experience. Material and Methods: A cross-sectional study was carried out in Concepcion, ... -
Article
The ethnography of (Im)mobilities: Mobile technology as a dimension of islanders’ life (2020)
(Centro em Rede de Investigacao em Antropologia, 2020-06-01)Based on an ethnography of the pier of Achao and the experience of two young islanders, it is demonstrated how the daily mobility has been modified with the arrival of new technologies and objects on the islands. On the ...