Repositorio Académico de la Universidad de Chile: Recent submissions

Now showing items 25801-25820 of 98559

    • Global quieting of high-frequency seismic noise due to COVID-19 pandemic lockdown measures 
      Lecocq, Thomas; Hicks, Stephen P.; Van Noten, Koen; van Wijk, Kasper; Koelemeijer, Paula; De Plaen, Raphael S. M.; Massin, Frederick; Hillers, Gregor; Anthony, Robert E.; Apoloner, Maria Theresia; Arroyo Solorzano, Mario; Assink, Jelle D.; Bueyuekakpinar, Pinar; Cannata, Andrea; Cannavo, Flavio; Carrasco, Sebastian; Caudron, Corentin; Chaves, Esteban J.; Cornwell, David G.; Craig, David; den Ouden, Olivier F. C.; Díaz, Jordi; Donner, Stefanie; Evangelidis, Christos P.; Evers, Laslo; Fauville, Benoit; Fernández, Gonzalo A.; Giannopoulos, Dimitrios; Gibbons, Steven J.; Girona, Tarsilo; Grecu, Bogdan; Grunberg, Marc; Hetenyi, Gyorgy; Horleston, Anna; Inza, Adolfo; Irving, Jessica C. E.; Jamalreyhani, Mohammadreza; Kafka, Alan; Koymans, Mathijs R.; Labedz, Celeste R.; Larose, Eric; Lindsey, Nathaniel J.; McKinnon, Mika; Megies, Tobias; Miller, Meghan S.; Minarik, William; Moresi, Louis; Marquez Ramírez, Victor H.; Mollhoff, Martin; Nesbitt, Ian M.; Niyogi, Shankho; Ojeda, Javier; Oth, Adrien; Proud, Simon; Pulli, Jay; Retailleau, Lise; Rintamaki, Annukka E.; Satriano, Claudio; Savage, Martha K.; Shani Kadmiel, Shahar; Sleeman, Reinoud; Sokos, Efthimios; Stammler, Klaus; Stott, Alexander E.; Subedi, Shiba; Sorensen, Mathilde B.; Taira, Taka'aki; Tapia, Mar; Turhan, Fatih; van der Pluijm, Ben; Vanstone, Mark; Vergne, Jerome; Vuorinen, Tommi A. T.; Warren, Tristram; Wassermann, Joachim; Xiao, Han (Amer Assoc Advancement Science, 2020)
      Human activity causes vibrations that propagate into the ground as high-frequency seismic waves. Measures to mitigate the coronavirus disease 2019 (COVID-19) pandemic caused widespread changes in human activity, leading ...
    • Hábitos alimentarios, obesidad y calidad de vida relacionada con la salud en adolescentes chilenos 
      Vilugrón Aravena, Fabiola; Molina González, Temístocles; Gras Pérez, María Eugenia; Font Mayolas, Silvia (Sociedad Médica de Santiago, 2020)
      Background: Adolescence is considered a nutritionally vulnerable period of life, since their eating habits are influenced by factors that can promote the consumption of non-nutritious food. Aim: To analyze the relation ...
    • Incidencia de síndrome de Stevens-Johnson y necrólisis epidérmica tóxica en Chile años 2001-2015 y su ... 
      Arellano Lorca, Javier; Álvarez, Danae; Salinas, María Paz; Molina, Ilma (Sociedad Médica de Santiago, 2020)
      Background: Stevens-Johnson Syndrome (SSJ) and Toxic Epidermal Necrolysis (NET) are infrequent and life-threatening mucocutaneous diseases, which occur predominantly as adverse drug reactions. Aim: To describe the frequency ...
    • Hypoxic Melanoma Cells Deliver microRNAs to Dendritic Cells and Cytotoxic T Lymphocytes through Connexin-43 ... 
      Tittarelli, Andrés; Navarrete, Mariela; Lizana, Marcelo; Hofmann Vega, Francisca; Salazar Onfray, Flavio (MDPI, 2020)
      Alterations in microRNA (miRNA) profiles, induced by tumor microenvironment stressors, like hypoxia, allow cancer cells to acquire immune-resistance phenotypes. Indeed, hypoxia-induced miRNAs have been implicated in cancer ...
    • Influencia de los pingüinos barbijo (Pygoscelis antarctica) sobre la comunidad procarionte y el gremio de ... 
      Segura Cáceres, Diego Nicolás (Universidad de Chile, 2020)
      Los pingüinos transfieren (ej. mediante guano, huevos, etc) cantidades significantes de nutrientes y contaminantes desde el ecosistema marino al ecosistema terrestre. Las deposiciones de estas aves influencian fuertemente ...
    • Identificación de macrófagos M1 y M2 en aorta de ratas espontáneamente hipertensas (SHR) mediante citometría ... 
      González Briones, Carla Margarita (Universidad de Chile, 2020)
      Antecedentes. Las enfermedades cardiovasculares son la principal causa de muerte en el mundo y en nuestro país. El principal factor de riesgo es la hipertensión arterial (HTA). En Chile, el 26,9% de la población es hipertensa. ...
    • Estrategias de preparación de muestra para la determinación espectrofluorimétrica de quinolonas y tetraciclinas ... 
      Arriagada García, María Gabriela (Universidad de Chile, 2020)
      En primera instancia, se estudió la conducta espectral de cada uno de los analitos pertenecientes a las familias involucrados en la investigación. Para seleccionar la longitud de excitación de los analitos en estudio se ...
    • Estudio exploratorio de la destinación intracelular de las hemocianinas de moluscos a compartimentos ... 
      Alvarado Neira, Alejandra Soledad (Universidad de Chile, 2020)
      Las hemocianinas de moluscos son ampliamente conocidas por sus efectos inmunomoduladores y, además, por ser utilizadas como carrier/adyuvante de antígenos tumorales. Sus efectos sobre el sistema inmune han sido atribuidos ...
    • Valoración de Empresa Paz Corp S.A. : por flujos de caja descontados 
      Poblete Miras, Tomás Antonio (Universidad de Chile, 2020-01)
      El propósito del presente trabajo es entregar una valoración económica acertada de la compañía Paz Corp S.A., una de las empresas Inmobiliarias más importanes del mercado local. Esta valoración se hace al 30 de Junio de ...
    • Valoración de empresa Compañía de Cervecerías Unidas S.A. (CCU) método : flujo de caja descontado. 
      Rubio Astete, Diego Ignacio (Universidad de Chile, 2020-07)
      El presente trabajo tiene como finalidad entregar una valoración económica de la empresa Compañía de Cervecerías Unidas S.A. (“CCU”), empresa fundada en el año 1850 cuyo giro es la producción, embotellación, venta y ...
    • El campamento en relación con la ciudad: informalidad y movilidades residenciales de habitantes de Alto Hospicio 
      Imilán Ojeda, Walter; Osterling, Eduardo; Mansilla, Pablo; Jirón Martínez, Paola (Universidad de Chile, 2020)
      Campamentos (informal settlements) are usually observed as units, islands within cities and located places of urban exclusion. This vision sets urban informality as enclaves. The campamentos in Alto Hospicio (North of ...
    • Intranasal Administration of Mesenchymal Stem Cell Secretome Reduces Hippocampal Oxidative Stress, ... 
      Farfán, Nancy; Carril, Jaime; Redel, Martina; Zamorano, Marta; Araya, Maureen; Monzón, Estephania; Alvarado, Raúl; Contreras, Norton; Tapia Bustos, Andrea; Quintanilla González, María; Ezquer, Fernando; Valdés, José Luis; Israel Jacard, Yedy; Herrera Marschitz, Mario; Morales Retamales, Eugenia (2020)
      Perinatal Asphyxia (PA) is a leading cause of motor and neuropsychiatric disability associated with sustained oxidative stress, neuroinflammation, and cell death, affecting brain development. Based on a rat model of global ...
    • K+ Channel Tetramerization Domain 5 (KCTD5) Protein Regulates Cell Migration, Focal Adhesion Dynamics and ... 
      Canales, Jimena; Cruz, Pablo; Villacura Díaz, Nicolás Esteban; Riquelme, Denise; Leiva Salcedo, Elias; Cerda Arancibia, Óscar (MDPI, 2020)
      Cell migration is critical for several physiological and pathophysiological processes. It depends on the coordinated action of kinases, phosphatases, Rho-GTPases proteins, and Ca2+ signaling. Interestingly, ubiquitination ...
    • Recepción de la Araucana en España y Europa: nacionalismo literario, canon y migración 
      Subercaseaux Sommerhoff, Bernardo (Universidad de Talca, Chile, 2020)
      The article aims to study the context of production and reception of the poem La Araucana. This, by considering editorial facts and literary historiography both in Spain and the rest of Europe. It also reviews the nationalistic ...
    • Lies, Damn Lies, and Bad Statistics? 
      Braghetto, Italo; Figueroa-Giralt, Manuel (Springer, 2020)
      A wide spectrum of research such as experimental, randomized trials, cohort or epidemiological studies, technical or control case reports, systematic reviews, and meta-analyses has resulted in a huge amount of publications. ...
    • Local tissue effects of various barrier membranes in a rat subcutaneous model 
      Naenni, Nadja; Lim, Hyun-Chang; Strauss Avendaño, Franz; Jung, Ronald; Haemmerle, Christoph; Thoma, Daniel S. (Korean Acad Periodontology, 2020)
      Purpose: The purpose of this study was to examine the local tissue reactions associated with 3 different poly(lactic-co-glycolic acid) (PLGA) prototype membranes and to compare them to the reactions associated with ...
    • Metformin Reduces NGF-Induced Tumour Promoter Effects in Epithelial Ovarian Cancer Cells 
      Garrido Palma, Maritza; Salvatierra, Renato; Valenzuela Valderrama, Manuel; Vallejos, Christopher; Bruneau, Nicole; Hernández, Andrea; Vega Blanco, María Margarita; Selman Abuchaibe, Alberto; Geoffery Quest, Andrew; Romero Osses, Carmen (MDPI, 2020)
      Epithelial ovarian cancer (EOC) is a lethal gynaecological neoplasm characterized by rapid growth and angiogenesis. Nerve growth factor (NGF) and its high affinity receptor tropomyosin receptor kinase A (TRKA) contribute ...
    • Moderate Aerobic Exercise Training Prevents the Augmented Hepatic Glucocorticoid Response Induced by High-Fat ... 
      Dassonvalle, Jonatan; Díaz Castro, Francisco; Donoso Barraza, Camila; Sepúlveda, Carlos; Pino de la Fuente, Francisco; Pino, Pamela; Espinosa Escalona, Berta; Chiong Lay, Mario; Llanos Silva, Miguel; Troncoso Cotal, Rodrigo (MDPI, 2020)
      Glucocorticoids (GCs) are critical regulators of energy balance. Their deregulation is associated with the development of obesity and metabolic syndrome. However, it is not understood if obesity alters the tissue glucocorticoid ...
    • Narrative present in the Spanish of Santiago, Chile Convergence and divergence with the Spanish variety ... 
      Guerrero González, Silvana; González Riffo, Javier; Arriagada Anabalón, Silvana (John Benjamins, 2020)
      This investigation revises the use of the narrative present in the materials of the PRESEEA corpus. Based on 54 sociolinguistic interviews, the convergence and divergence of this phenomenon's use is studied in the Spanish ...
    • Neck adipose tissue accumulation is associated with higher overall and central adiposity, a higher ... 
      Arias Téllez, María José; Acosta, Francisco M.; García Rivero, Yolanda; Pascual Gamarra, José; Merchan Ramírez, Elisa; Martínez Téllez, Borja; Silva, Analiza M.; López, Julio Almansa; Llamas Elvira, José; Ruiz, Jonatan (Springer, 2020)
      Objectives Neck adipose tissue (NAT) volume increases with general adiposity, with fat accumulating in different neck tissue compartments. In patients with certain malignant/benign tumours, the accumulation of NAT, and ...