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Does the access transport mode affect visitors' satisfaction in a World Heritage City? The case of Valparaiso, Chile (2021)
(Elsevier Ltd, 2021-02)
The inscription of a city as a World Heritage Site (WHS) acts as a catalyst for the tourist promotion. The brand creates a previous positive image of the city generating some tourists' expectations that might be difficult ...
Interpregnancy Weight Change and Gestational Diabetes Mellitus: A Systematic Review and Meta-Analysis (2021)
(Blackwell Publishing Inc., 2021-01-24)
Objective: This study aimed to synthesize evidence regarding the association between interpregnancy weight change (IPWC) and gestational diabetes mellitus (GDM) in the subsequent pregnancy. Methods: MEDLINE, EMBASE, Cochrane ...
Trending Topics on Coumarin and Its Derivatives in 2020 (2021)
(NLM (Medline), 2021-01-19)
Coumarins are naturally occurring molecules with a versatile range of activities. Their structural and physicochemical characteristics make them a privileged scaffold in medicinal chemistry and chemical biology. Many ...
Gold(i) ethylene complexes supported by electron-rich scorpionates (2021)
(Royal Society of Chemistry, 2021)
Ethylene complexes of gold(i) have been stabilized by electron-rich, κ2-bound tris(pyrazolyl)borate ligands. Large up-field shifts of olefinic carbon NMR resonances and relatively long C distances of gold bound ethylene ...
Novel germanium-based σ-π conjugated oligourethanes containing dibenzofuran moieties in the backbone: Thermal, optical, electronic properties and theoretical simulations (2021)
(Elsevier Ltd, 2021-04-05)
In the search of new photoactive materials for light-emitting applications, two new germanium-based oligourethanes (PUGe-27 and PUGe-28) were synthesized from 4,4́-(diphenylgermarylene)bis(phenyl chloroformate) (1) and ...
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 ...
Student burnout and engagement: Relationship with adolescent use of alcohol and attitudes towards authority (2021)
(Elsevier Doyma, 2021-05-01)
Background/Objective: The burnout syndrome has been related to development of transgressive attitudes toward norms that facilitate risk behaviors in youth, such as drinking alcohol. On the contrary, academic engagement is ...
Socio-family support for parents of technology-dependent extremely preterm infants after hospital discharge (2021)
(SAGE Publications Inc., 2021)
Parents of extremely preterm infants (<28 weeks of gestation) report high levels of stress and anxiety related to daily needs after hospital discharge. Social support has a significant role in reducing the negative ...
Systematic cluster growth: a structure search method for transition metal clusters (2021)
(Royal Society of Chemistry, 2021-02-28)
The systematic cluster growth (SCG) method is a biased structure search strategy based on a seeding process for investigating the structural evolution and growth pattern of transition metal clusters. In SCG, a set of initial ...
GEOPOLÍTICA AMERICANA A ESCALA GLOBAL. El estrecho de magallanes y su condición de “pasaje-mundo” (2021)
(Pontificia Universidad Catolica de Chile, 2020)
The article analyzes the classifications assigned to the Strait of Magellan in the political-territorial configuration of the New World during the sixteenth century and related global dynamics happening at the time. The ...