Repositorio Académico de la Universidad de Chile: Recent submissions

Now showing items 29121-29140 of 98852

    • Reactividad de flavonoides frente a O2(1Δg) en presencia de metales 
      Rodríguez Ramírez, Jennifer Elizabeth (Universidad de Chile, 2020)
      En este trabajo se midió la reactividad de los flavonoides quercetina, morina, 3–hidroxiflavona, luteolina y catequina frente a O2(1Δg), en presencia de los iones metálicos Ca+2, Cu+2, Zn+2 y Fe+2, en medio homogéneo y ...
    • Significados que Construyen Adolescentes sobre la Violencia de Género entre sus Padres y/o Cuidadores. 
      Domedel Ananías, Camila Andrea (Universidad de Chile, 2019)
      La literatura evidencia consistentemente que crecer en contextos de violencia de género entre padres y/o cuidadores (VGP) genera un impacto negativo en la salud mental de niños/as y adolescentes (NNA). Desde un enfoque ...
    • Estrategias de afrontamiento familiar desde la parentalidad y marentalidad de los hijos (as) de 6 a 11 años ... 
      Ortega Espinoza, Carolina (Universidad de Chile, 2018)
      Título de la tesis: Estrategias de afrontamiento familiar desde la parentalidad y marentalidad de los hijos (as) de 6 a 11 años de edad en donde el padre y la madre, son bomberos (as) en contexto de desastre naturales. Está ...
    • Maternal nutrition and antioxidant supplementation: Effects on mother–young behaviors in a Patagonian sheep ... 
      Sales, Francisco; Parraguez Gamboa, Víctor; Freitas de Melo, Aline; Ungerfeld, Rodolfo (Elsevier, 2020)
      Undernourishment is a frequent condition in sheep pregnancies under extensive systems, since most of the pregnancies occur when the prairie has the lowest forage allowance. Underfed sheep pregnancies are associated with ...
    • Mapping histories and archiving ephemeral landscapes: strategies and challenges for researching small film ... 
      Peirano Olate, María Paz (Taylor & Francis, 2020)
      Film festivals have had a strong impact on small cinemas, contributing to the dynamic trends of national fields of film production. Drawing on research experience of mapping Chilean film festivals for the first time, this ...
    • Luminous Type II supernovae for their low expansion velocities 
      Rodríguez, Ó.; Pignata, G.; Anderson, J. P.; Moriya, T. J.; Clocchiatti, A.; Förster Burón, Francisco; Prieto, J.L.; Phillips, M. M.; Burns, C. R.; Contreras, C.; Folatelli, G.; Gutiérrez, C. P.; Hamuy Wackenhut, Mario; Morrell, N. I.; Stritzinger, M. D.; Suntzeff, N. B.; Benetti, S.; Cappellaro, E.; Elias Rosa, N.; Pastorello, A.; Turatto, M.; Maza Sancho, José María; Antezana, Roberto; Cartier, R.; González Muñoz, Luis; Haislip, J. B.; Kouprianov, V.; López, P.; Marchi Lasch, Sebastián; Reichart, D. (Oxford University Press, 2020)
      We present optical and near-infrared data of three Type II supernovae (SNe II), SN 2008bm, SN 2009aj, and SN 2009au. These SNe display the following common characteristics: signs of early interaction of the ejecta with ...
    • Cuestión de (la) ley 
      Oyarzun Robles, Pablo (CSIC - Consejo Superior de Investigaciones Científicas, 2020)
      In this paper, I discuss a hypothetical relationship between the Kafkan question of the law, as developed in the conversation that Josef K. and the priest hold in The Process, concerning the exegesis of the fable Before ...
    • Introducción del Simposio CTK “Variedades de la razón práctica” 
      Placencia García, Luis (Instituto de Filosofía - Consejo Superior de Investigaciones Científicas- CSIC, 2020)
    • Into the Ly alpha jungle: exploring the circumgalactic medium of galaxies at z similar to 4-5 with MUSE 
      Bielby, Richard M.; Fumagalli, Michele; Fossati, Matteo; Rafelski, Marc; Oppenheimer, Benjamin; Cantalupo, Sebastiano; Christensen, Lise; Fynbo, J. P. U.; López Morales, Sebastián; Morris, Simon L.; D'Odorico, Valentina; Peroux, Celine (Oxford University Press, 2020)
      We present a study of the galaxy environment of nine strong HI + CIV absorption line systems (16.2 < log(N(HI)) < 21.2) spanning a wide range in metallicity at z similar to 4-5, using MUSE integral field and X-Shooter ...
    • Relaciones internacionales y América Latina: avances y desafíos en la disciplina 
      Oyarzún Serrano, Lorena (Universidad Externado de Colombia, 2020)
      El desarrollo de las relaciones internacionales (rrii) es relativamente reciente en comparación con otras disciplinas de las ciencias sociales. Si bien ha existido un gran avance en cuanto a debates teóricos y metodológicos ...
    • Intelligent reflecting surface assisted secure wireless communications with multiple- transmit and ... 
      Jiang, Weiheng; Zhang, Yu; Wu, Jinsong; Feng, Wenjiang; Jin, Yi (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      In this paper, we propose intelligent reflecting surfaces (IRS) assisted secure wireless communications with multi-input and multi-output antennas (IRS-MIMOME). The considered scenario is an access point (AP) equipped with ...
    • Indoor swimming for 2.5 Km decreases nitrite and pH in exhaled breath condensate 
      Araneda, O. F.; Calderón, A.; Terreros, L.; Cavada Chacón, Gabriel (RedIRIS, 2020)
      OBJECTIVE: to determine the effect of an aerobic swimming test in a chlorinated indoor swimming pool on the concentration of NO2-, H2O2 and pH in exhaled breath condensate. METHODS: ten amateur swimmers swam 2.5 km in a ...
    • Graph reconstruction in the congested clique 
      Montealegre, P.; Pérez Salazar, S.; Rapaport Zimermann, Iván; Todinca, I. (Elsevier, 2020)
      In this paper we study the reconstruction problem in the congested clique model. Given a class of graphs g, the problem is defined as follows: if G is not an element of g, then every node must reject; if G is an element ...
    • Gold Nanoparticles Mediate Improved Detection of beta-amyloid Aggregates by Fluorescence 
      Jara Guajardo, Pedro; Cabrera, Pablo; Celis, Freddy; Soler Jauma, Mónica; Berlanga Mora, Isadora; Parra Muñoz, Nicole; Acosta, Gerardo; Albericio, Fernando; Guzmán, Fanny; Campos, Marcelo; Álvarez, Alejandra; Morales Zavala, Francisco; Kogan, Marcelo J. (MDPI, 2020)
      The early detection of the amyloid beta peptide aggregates involved in Alzheimer's disease is crucial to test new potential treatments. In this research, we improved the detection of amyloid beta peptide aggregates in vitro ...
    • Reciclaje ex fábrica Chiteco : edificio residencial con servicios para la comunidad 
      Rodríguez Gaminez, Eslavenka (Universidad de Chile, 2019)
    • Untitled 
      Salamanca, Carlos; González Hormazábal, Patricio; Recabarren, Andrea S.; Recabarren, Pamela A.; Pantoja, Roberto; Leiva Villagra, Noemí; Pardo Vargas, Rosa; Suazo Sanhueza, José Lorenzo (2020)
      Background TheS-adenosyl-methionine (SAM) availability is crucial for DNA methylation, an epigenetic mechanism involved in nonsyndromic cleft lip with or without cleft palate (NSCL/P) expression. The aim of this study was ...
    • Functional characterisation and in silico modelling of MdPSY2 variants and MdPSY5 phytoene synthases from ... 
      Cerda Rojas, Ariel; Moreno, Juan C.; Acosta Badilla, Daniel; Valdés Godoy, Francisca; Cáceres, Juan Carlos; Cabrera Paucar, Ricardo; Stange Klein, Claudia (Elsevier, 2020)
      Carotenoids are plastid isoprenoid pigments that play critical roles in light harvesting, photoprotection, and phytohormone biosynthesis. They are also vitamin-A precursors and antioxidant molecules important for human ...
    • From Devo to Evo: patterning, fusion and evolution of the zebrafish terminal vertebra 
      Cumplido Salas, Nicolás; Allende Connelly, Miguel; Arratia, Gloria (BMC, 2020)
      Background With more than 30,000 species, teleosts comprise about half of today's living vertebrates, enriched with a wide set of adaptations to all aquatic systems. Their evolution was marked by modifications of their ...
    • Economic pipe diameter of settling slurries 
      Ihle Bascuñán, Christian (Elsevier, 2020)
      The notion of economic pipe size is extended to the case of settling slurries, which are commonly found in high tonnage, long distance pipelines of mineral ores. Water, energy and pipe infrastructure costs have been ...
    • Does the life‑history strategy determine the freezing resistance of flowers and leaves of alpine herbaceous ... 
      Morales, Loreto V.; Alvear, Carla; Sanfuentes, Camila; Saldaña, Alfredo; Sierra Almeida, Ángela (Springer, 2020)
      In high-mountain habitats, summer frost events can have negative consequences for plant fitness. Despite this, most studies have evaluated the consequences of frosts for vegetative structures of perennial plants, and neither ...