Investigación y Desarrollo: Envíos recientes
Mostrando ítems 2061-2080 de 5743
-
Article
Recognizing new trends in brain drain studies in the framework of global sustainability (2021)
(MDPI AG, 2021-03-02)Scholars had been documenting the Brain Drain phenomenon producing scientific literature for more than 50 years. After three decades of slow but steady progress, literature about this concept has accelerated its progress ... -
Article
An unprecedented π-electronic circuit involving an odd number of carbon atoms in a grossly warped non-planar nanographene (2021)
(Royal Society of Chemistry, 2021-03-28)The formation of π-aromatic circuits along a grossly warped nanographene, C80H30, containing five- and seven-membered rings inserted into a six-membered mesh, reveals global π-circuits at the edge of the backbone. Based ... -
Article
Comparison of sampling methods for benthic macroinvertebrates in forested wetlands (2021)
(Elsevier B.V., 2021-06)Forest wetlands are biodiversity hotspots that perform functions of vital ecological importance, but they are among the world's most threatened ecosystems. Due to their high diversity of habitats and species, the study of ... -
Article
Structural, morphological and magnetic properties of iron oxide thin films obtained by atomic layer deposition as a function of their thickness (2021)
(Elsevier B.V., 2021-07-15)Hematite (α-Fe2O3) thin films with different thicknesses between 4 and 16 nm were synthesized by atomic layer deposition, employing 500 to 2000 cycles of FeCp2/O3. After a thermal reduction process, under a controlled ... -
Article
Social acceptance of death and its implication for end-of-life care (2021)
(Blackwell Publishing Ltd, 2021)Aims: To understand how the social patterns about death influence end-of-life care from the perspective of healthcare professionals. Design: A qualitative study according to the theory of Glaser and Strauss. Methods: A ... -
Article
Aromaticity of ortho and meta 8-Cycloparaphenylene and Their Dications: Induced Magnetic Field Analysis with Localized and Delocalized Orbitals in Strained Nanohoops (2021)
(John Wiley and Sons Inc, 2021)Dications of cycloparaphenyles ([n]CPPs) are known to exhibit in-plane global aromaticity, contained in a nanobelt structure. Recently synthesized ortho and meta isomers of [n]CPPs break the radial symmetry of π structure ... -
Article
Comparative effect of physical exercise versus statins on improving arterial stiffness in patients with high cardiometabolic risk: A network meta-analysis (2021)
(Public Library of Science, 2021-02-16)Background The comparative analysis of the effect of several doses of statins against different intensities of physical exercise on arterial stiffness (a measure of cardiovascular risk) could shed light for clinicians on ... -
Article
PSC-db: A Structured and Searchable 3D-Database for Plant Secondary Compounds (2021)
(NLM (Medline), 2021-02-20)Plants synthesize a large number of natural products, many of which are bioactive and have practical values as well as commercial potential. To explore this vast structural diversity, we present PSC-db, a unique plant ... -
Article
Synthesis of New Brassinosteroid 24-Norcholane Type Analogs Conjugated in C-3 with Benzoate Groups (2021)
(NLM (Medline), 2021-02-22)The metabolism of brassinosteroid leads to structural modifications in the ring skeleton or the side alkyl chain. The esterification and glycosylation at C-3 are the most common metabolic pathways, and it has been suggested ... -
Article
Clinical Note: Bipolar disorder in Cerebrotendinous Xanthomatosis: a case report (2021)
(NLM (Medline), 2021-03-01)Cerebrotendinous X anthomatosis (CTX) is a rare autosomal recessive disorder presenting with possible psychiatric manifestations that, once established, are difficult to control. We present the case of a 29-year-old woman ... -
Article
Multi-scale view of star formation in IRAS 21078+5211: From clump fragmentation to disk wind (2021)
(EDP Sciences, 2021-03-01)Context. Star formation (SF) is a multi-scale process in which the mode of fragmentation of the collapsing clump on scales of 0.1-1 pc determines the mass reservoir and affects the accretion process of the individual ... -
Article
NLRP3 inflammasome: Potential role in obesity related low-grade inflammation and insulin resistance in skeletal muscle (2021)
(MDPI AG, 2021-03-02)Among multiple mechanisms, low-grade inflammation is critical for the development of insulin resistance as a feature of type 2 diabetes. The nucleotide-binding oligomerization domain-like receptor family (NOD-like) pyrin ... -
Article
Parents’ perceptions on barriers and facilitators of physical activity among schoolchildren: A qualitative study (2021)
(MDPI AG, 2021-03-02)Given that physical activity (PA) plays an important role in early childhood, understanding the factors that affect the practice of PA at an early age could help develop effective strategies for overcoming barriers and ... -
Article
An update on connexin gap junction and hemichannels in diabetic retinopathy (2021)
(MDPI AG, 2021-03-02)Diabetic retinopathy (DR) is one of the main causes of vision loss in the working age population. It is characterized by a progressive deterioration of the retinal microvasculature, caused by long-term metabolic alterations ... -
Article
Russian influence in the Czech Republic as a grey zone case study (2021)
(Sciendo, 2021-04-01)In recent years, the concept of grey zone has been popularised to analyse the activities a State can use to influence the decisions and to limit the strategic choices of another State below the threshold of war. This article ... -
Article
THE MOBILITY IN ITS ENVIROMENT: MAPUCHE-WILLICHE DAILY MOBILITY PRACTICES AND EXPERIENCES IN RURAL CONTEXTS. EVIDENCE FROM THE CITY OF PUYEHUE, REGION DE LOS LAGOS, CHILE (2021)
(Universidad de Tarapaca, 2020)Mapuche-Williche mobility is a historical and cultural practice of the central-south Chile area. However, the representations and experiences of rural mobility of the inhabitants of these territories have been scarcely ... -
Article
“For the advancement of industry and good taste”: The teaching of drawing in the art academies of Santiago de Chile and Santa Cruz de Tenerife (1849-1869) (2021)
(University of Las Palmas de Gran Canaria, Faculty of Geography and History, 2020-01-31)This article offers an analysis of the educational interventions aiming to introduce teaching of drawing to two institutions founded in territories that were geographically disparate relative to the traditional European ... -
Article
Climate change and investments: Outlining harmonization strategies for Chile (2021)
(Centro Universitario de Brasilia, 2020-12)The article deals with Climate Change and investments describing the environment in which these international regimes are presented, which have direct implications in national areas and that in their interrelation present ... -
Article
Indigenous Peoples and nature protection: On the way to an "ecocentric hermeneutic turn" (2021)
(Centro Universitario de Brasilia, 2020-12)The present work aims to examine: (i) the role that Indigenous Peoples, their constitutional regime and institutions can play in the protection of Nature, and vice-versa; (ii) a possible hermeneutic turn in the interpretation ... -
Article
Physical fitness and its association with cognitive performance in Chilean schoolchildren: The Cogni-Action Project (2021)
(Blackwell Munksgaard, 2021)This study aimed to establish the association and differences in a diversity of cognitive domains according to cardiorespiratory fitness (CRF), muscular fitness (MF), and speed-agility fitness (S-AF) level in a large sample ...