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Mostrando publicaciones 2857-2876 de 3259
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Surfaces for modeling arteries in virtual reality simulators
(2015)We propose a surface model that can be used as part of an internet based educational medical simulator to train physicians in cardiovascular interventions. This is the first step towards building a real device which can ...
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El surgimiento de la escala regional y local en el debate sobre desarrollo: reconstitución histórica y balance teórico
(2021)A partir de un ejercicio de reconstitución histórico-teórica basada en la revisión de bibliografía, en el artículo se aborda el problema de cómo las escalas regional y local han sido consideradas dentro de los enfoques y ...
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Survey and molecular characterization of sarcocystidae protozoa in wild cricetid rodents from central and southern Chile
(2023)In Chile, studies of parasites from the family Sarcocystidae (Apicomplexa) have mostly been related to domestic animals. We aimed to assess the presence of Sarcocystidae taxa in cricetid rodents from Central and Southern ...
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Susceptibility to organophosphates pesticides and the development of infectious-contagious respiratory diseases
; Cordova-Lepe, Fernando
; ; (2020)
In this paper we develop an SIRS compartmental model to investigate the dynamic interplay between pesticide intoxication and the spread of infectious-contagious respiratory diseases. We are particularly interested in ...
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Sustainability in Latin America: An analysis of the academic discursive field
(2016)This article analyzes the modes of appropriation of the discourse on sustainable development in Latin America over the past four decades. Most studies on sustainability use qualitative methods of discourse analysis. Others ...
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Sustainable development and corporate sustainability of chilean state universities: evidence from their strategic elements
(2023)Corporate sustainability evolved in line with the advancement of the concept of sustainable development; thus, it is constituted as a strategy to respond to social and environmental problems. In this context, universities ...
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Sustainable development education for training and service teachers teaching mathematics: a systematic review
(2023)This study conducted a systematic review following the guidelines of the PRISMA statement, with the aim of analyzing the scientific production on Education for Sustainable Development (ESD) in in-service and pre-service ...
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Sustained release of linezolid from prepared hydrogels with polyvinyl alcohol and aliphatic dicarboxylic acids of variable chain lengths
(2020)A series of hydrogels with a specific release profile of linezolid was successfully synthesized. The hydrogels were synthesized by cross-linking polyvinyl alcohol (PVA) and aliphatic dicarboxylic acids, which include ...
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Sustentabilidad y comportamiento del consumidor socialmente responsable
(2018)El consumo sustentable ha motivado el desarrollo de investigaciones que procuran develar estrategias que permitan la concienciación de las corresponsabilidades frente a la decisión de compra. Ésta investigación analiza las ...
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Swimming practice and scapular kinematics, scapulothoracic muscle activity, and the pressure-pain threshold in young swimmers
(2018)Context Whereas alterations in scapular kinematics, scapulothoracic muscle activity, and pain sensitivity have been described in adult swimmers, no researchers have examined these outcomes in young swimmers. Objectives ...
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Symbiotic interaction enhances the recovery of endangered tree species in the fragmented maulino forest
(2021)Beneficial plant-associated microorganisms, such as fungal endophytes, are key partners that normally improve plant survival under different environmental stresses. It has been shown that microorganisms from extreme ...
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Synodality in the reception of the Second Vatican Council and development of the pastoral orientations of the Chilean Bishops’ Conference, 1965–1985
(2023)After the Second Vatican Council, the Chilean bishops met in a plenary assembly during May 1968. As a result, the Episcopal Conference of Chile developed its first Pastoral Orientations (POs). Between 1968 and 1985, the ...
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Synopsis of Lusius Tosquinet, 1903 (Hymenoptera: Ichneumonidae: Phaeogenini) from South America: a new species, new records, and key to neotropical species
(2024)A new species of Lusius Tosquinet, 1903 (Hymenoptera: Ichneumonidae: Phaeogenini) is described from the northwestern Andes of Colombia, and additionally, the geographic distribution of Lusius ferrugineus Graf, 2000 is ...
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Synthesis and evaluation of AlgNa-g-Poly(QCL-co-HEMA) hydrogels as platform for chondrocyte proliferation and controlled release of betamethasone
(2021)Hydrogels obtained from combining different polymers are an interesting strategy for developing controlled release system platforms and tissue engineering scaffolds. In this study, the applicability of sodium alginate-g- ...
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Synthesis and magnetic properties of chromium-based Cu(Cr2‑xTix )S4 thiospinels and their deficient structures Cu1‑yoy Cr2‑xTix S4 obtained by Copper extraction
(2014)The crystalline structure of spinels is extremely flexible due to the presence of several sublattices in which the cations can be distributed and localized in different crystallographic sites depending on their sizes, ...
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Synthesis of calix[4]arenes bearing thiosemicarbazone moieties with naphthalene groups. Highly selective turn off/on fluorescent sensor for Cu(II) recognition
(2021)Calix[4]arenes-based fluorescent chemosensors containing thiosemicarbazone as a binding site and naphthalene as a fluorogenic unit in a 1,3-alternate (L1) and cone (L2) conformation, were synthesized and examined for their ...
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Synthesis of gum acacia capped polyaniline-based nanocomposite hydrogel for the removal of methylene blue dye
; ; ; abril, diana; (2021)
In this research work, a novel gum acacia capped polyaniline-based nanocomposite hydrogel (GPA NCHs) was developed and evaluated for the adsorptive removal of cationic methylene blue dye (MB) from aqueous solutions. Firstly, ...
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Synthesis of hollow bimetallic nanoparticles from ultrafast laser irradiation: an atomistic simulation study
(2023)Femtosecond laser irradiation in Au@Ag, Ag@Au core@shell, and Au–Ag Janus-like nanoparticles are investigated using molecular dynamics simulations. Our results show that the morphology of Au@Ag core–shell and Au–Ag Janus-like ...
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Synthesis of hot spring origin bacterial cell wall polysaccharide-based copper nanoparticles with antibacterial property
(2024)Background At present, research on facile, green synthesis of nanoparticles has significantly increased because of its fast, one-step, cost-effective, time-efficient, and non-toxic nature. In this study, we have reported ...
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Synthesis of lactam-bridged and lipidated cyclo-peptides as promising anti-phytopathogenic agents
(2020)Antimicrobial resistance to conventional antibiotics and the limited alternatives to combat plant-threatening pathogens are worldwide problems. Antibiotic lipopeptides exert remarkable membrane activity, which usually is ...