Facultad de Ciencias Físicas y Matemáticas: Recent submissions

Now showing items 7541-7560 of 22292

    • Sterol regulatory element-binding protein (Sre1) promotes the synthesis of carotenoids and sterols in ... 
      Gutiérrez, María Soledad; Campusano, Sebastián; González, Ana María; Gómez, Melissa; Barahona, Salvador; Sepúlveda, Dionisia; Espenshade, Peter J.; Fernández-Lobato, María; Baeza, Marcelo; Cifuentes, Víctor; Alcaíno Gorman, Jennifer (Frontiers Media S.A., 2019)
      Xanthophyllomyces dendrorhous is a basidiomycete yeast that synthesizes carotenoids, mainly astaxanthin, which are of great commercial interest. Currently, there are many unknown aspects related to regulatory mechanisms ...
    • Chronic Inflammation as a Link between Periodontitis and Carcinogenesis 
      Hoare, Anilei; Soto, Cristopher; Rojas-Celis, Victoria; Bravo, Denisse (NLM (Medline), 2019)
      Periodontitis is characterized by a chronic inflammation produced in response to a disease-associated multispecies bacterial community in the subgingival region. Although the inflammatory processes occur locally in the ...
    • Spatial rogue waves in photorefractive SBN crystals 
      Hermann Avigliano, C.; Salinas, I. A.; Rivas, D. A.; Real, B.; Mančić, A.; Mejía-Cortés, C.; Maluckov, A.; Vicencio, R. A. (OSA - The Optical Society, 2019)
      We report on the excitation of large-amplitude waves, with a probability of around 1% of total peaks, on a photorefractive SBN crystal by using a simple experimental setup at room temperature. We excite the system using a ...
    • Bacterial communities associated with spherical Nostoc macrocolonies 
      Aguilar, Pablo; Dorador, Cristina; Vila Pinto, Irma; Sommaruga, Ruben (Frontiers Media S.A., 2019)
      Copyright © 2019 Aguilar, Dorador, Vila and Sommaruga.Species of the genus Nostoc (Cyanobacteria) can form large colonies of up to several centimeters in diameter that may represent a unique habitat for bacteria in ...
    • Urgent care centres reduce emergency department and primary care same-day visits: A natural experiment 
      Pacheco, Jorge; Cuadrado, Cristóbal; Martínez Gutiérrez, María Soledad (Oxford University Press, 2019)
      The aim of this study is to evaluate the impact of urgent care centres' (UCCs) implementation on emergency department (ED) and same-day visits in primary care in a Chilean public healthcare network. Quasi-experimental ...
    • A new flower fly species of Cepa Thompson & Vockeroth (Diptera: Syrphidae) from the Valdivian evergreen ... 
      Barahona-Segovia, Rodrigo M.; Barceló, Matías (Magnolia Press, 2019)
      Copyright © 2019 Magnolia Press.The Neotropical region has a high species richness of flower flies. However, there are many known species awaiting proper description. Cepa Thompson & Vockeroth is a Neotropical genus with ...
    • Parameter estimation and mathematical modeling for the quantitative description of therapy failure due to ... 
      Cumsille, Patricio; Godoy, Matías; Gerdtzen, Ziomara P.; Conca, Carlos (Public Library of Science, 2019)
      In this work we develop a general mathematical model and devise a practical identifiability approach for gastrointestinal stromal tumor (GIST) metastasis to the liver, with the aim of quantitatively describing therapy ...
    • RAF1 variant in a patient with Noonan syndrome with multiple lentigines and craniosynostosis 
      Rodríguez, Fernando; Ponce, Diana; Berward, Francisco J.; Lopetegui, Bernardita; Cassorla Goluboff, Fernando; Aracena, Mariana (Wiley-Liss Inc., 2019)
      We report the case of a 14 years and 8 months girl, who is the first child of nonconsanguineous parents, with short stature, obstructive hypertrophic cardiomyopathy, multiple facial lentigines, high and wide forehead, ...
    • δ-Generalized Labeled Multi-Bernoulli Simultaneous Localization and Mapping with an Optimal Kernel-Based ... 
      Moratuwage, Diluka; Adams, Martin; Inostroza, Felipe (NLM (Medline), 2019)
      Under realistic environmental conditions, heuristic-based data association and map management routines often result in divergent map and trajectory estimates in robotic Simultaneous Localization And Mapping (SLAM). To ...
    • Dopamine receptor D3 expression is altered in CD4+ T-cells from Parkinson's disease patients and its ... 
      Elgueta, Daniela; Contreras, Francisco; Prado, Carolina; Montoya, Andro; Ugalde, Valentina; Chovar, Ornella; Villagra, Roque; Henríquez, Claudio; Abellanas, Miguel A.; Aymerich, María S.; Franco, Rarael; Pacheco, Rodrigo (Frontiers Media S.A., 2019)
      Copyright © 2019 Elgueta, Contreras, Prado, Montoya, Ugalde, Chovar, Villagra, Henríquez, Abellanas, Aymerich, Franco and Pacheco. This is an open-access article distributed under the terms of the Creative Commons Attribution ...
    • Elemental and Mineralogical Composition of the Western Andean Snow (18°S–41°S) 
      Alfonso, Juan A.; Cordero, Raul R.; Rowe, Penny M.; Neshyba, Steven; Casassa, Gino; Carrasco, Jorge; MacDonell, Shelley; Lambert, Fabrice; Pizarro, Jaime; Fernandoy, Francisco; Feron, Sarah; Damiani, Alessandro; Llanillo, Pedro; Sepulveda, Edgardo; Jorquera, Jose; Garci (Nature Publishing Group, 2019)
      The snowpack is an important source of water for many Andean communities. Because of its importance, elemental and mineralogical composition analysis of the Andean snow is a worthwhile effort. In this study, we conducted ...
    • Imaginaries of Port of Lamar from 1825 to 1877 Imaginarios del Puerto Lamar desde 1825 a 1877 
      Cosmelli, Javiera Letelier; Rojas, Victoria Castro (Universidad de Tarapaca, 2019)
      This paper presents an analysis of the construction of imaginaries of Port of Lamar in Cobija, currently located in the Antofagasta region, from its creation in 1825 until the years before the War of the Pacific. The Port ...
    • Citizenship in times of capital. A critique from the marxian tradition Ciudadanía en tiempos del Capital. ... 
      Vidal-Molina, Paula; Vargas-Muñoz, Roberto (Universidad Autonoma del Estado de Mexico, 2019)
      This article offers an analysis of the notion of liberal-Marshallian citizenship in the light of the impact that neoliberalization processes have. We describe an approach to the hypothesis that neoliberalism does not allow ...
    • Palmitic acid reduces the autophagic flux and insulin sensitivity through the activation of the free fatty ... 
      Hernández-Cáceres, María Paz; Toledo-Valenzuela, Lilian; Díaz-Castro, Francisco; Ávalos, Yenniffer; Burgos, Paulina; Narro, Carla; Peña-Oyarzun, Daniel; Espinoza-Caicedo, Jasson; Cifuentes-Araneda, Flavia; Navarro-Aguad, Fernanda; Riquelme, Cecilia; Troncoso, Rodrig (Frontiers Media S.A., 2019)
      Copyright © 2019 Hernández-Cáceres, Toledo-Valenzuela, Díaz-Castro, Ávalos, Burgos, Narro, Peña-Oyarzun, Espinoza-Caicedo, Cifuentes-Araneda, Navarro-Aguad, Riquelme, Troncoso, Criollo and Morselli. This is an open-access ...
    • Area changes of glaciers on active volcanoes in Latin America between 1986 and 2015 observed from multi-temporal ... 
      Reinthaler, Johannes; Paul, Frank; Granados, Hugo Delgado; Rivera, Andrés; Huggel, Christian (Cambridge University Press, 2019)
      Glaciers on active volcanoes are subject to changes in both climate fluctuations and volcanic activity. Whereas many studies analysed changes on individual volcanoes, this study presents for the first time a comparison of ...
    • Continuous perception for deformable objects understanding 
      Martínez, Luz; Ruiz del Solar, Javier; Sun, Li; Siebert, J. Paul; Aragon-Camarasa, Gerardo (Elsevier B.V., 2019)
      We present a robot vision approach to deformable object classification, with direct application to autonomous service robots. Our approach is based on the assumption that continuous perception provides robots with greater ...
    • Magnon-phonon interactions in magnetic insulators 
      Streib, Simon; Vidal-Silva, Nicolas; Shen, Ka; Bauer, Gerrit E.W. (American Physical Society, 2019)
      We address the theory of magnon-phonon interactions and compute the corresponding quasiparticle and transport lifetimes in magnetic insulators, with a focus on yttrium iron garnet at intermediate temperatures from anisotropy- ...
    • Temporal trend of premature mortality for external causes in Chile between 1997-2014 Evolución temporal de ... 
      San Martín Campos, Catalina; Ponce Castro, Javiera; Proboste Naranjo, Amanda; Yohannessen-Vásquez, Karla (NLM (Medline), 2019)
      OBJECTIVE: Currently, there is a change in the causes of mortality towards noncommunicable diseases and external causes. However, there are no updated studies on the trend of premature mortality due to external causes ...
    • Project shelter, Part 2: Structural verification 
      Garay, Rose Marie; Herrera, Ricardo; Mejías, Claudio (Pontificia Universidad Catolica de Chile, Escuela de Construccion Civil, 2019)
      As part of the Fondef D09I1058 project, an emergency housing solution was developed and five prototypes constructed. The prototypes solved mechanical, thermal, water tightness and airtightness problems common to emergency ...
    • Response to lipopolysaccharide in Octodon degus pups produces age-related sickness behavior but does not ... 
      Ramírez Otarola, Natalia; Espinoza, Janyra; Kalergis, Alexis M.; Sabat Kirkwood, Alejandro Pablo (Wiley-Blackwell, 2019)
      During vertebrate development, the immune function is inefficient and is mainly controlled by innate defense. While there have been detailed studies of various aspects of innate immune function, the effects of this function ...