Repositorio Académico de la Universidad de Chile: Recent submissions

Now showing items 35821-35840 of 101786

    • A teaching accompaniment and development model: possibilities and challenges for teaching and learning centers 
      Jerez Yáñez, Oscar; Aranda Cáceres, Romina; Corvalán Canessa, Fernanda; González Rojas, Lesslie; Ramos Torres, Armin (Routledge, 2019)
      We propose a ‘1-to-1’ accompaniment and teaching development model emerging from the analysis and reflection of professional experience at a Teaching and Learning Center in a Chilean university. We highlight the relevance ...
    • A PCR-RFLP assay for discrimination of Echinococcus granulosus sensu stricto and Taenia spp. in dogs stool 
      Hidalgo, Alejandro; Melo, Angélica; Romero, Fernando; Villanueva, José; Carrasco, Carolina; Jara, Paulina; Venegas, Juan; Fonseca-Salamanca, Flery (Academic Press Inc., 2019)
      In order to develop a method of identification and discrimination of Echinococcus granulosus sensu stricto from faecal samples of dogs infected with taeniid eggs (Echinococcus spp., Taenia spp.), a combined strategy of ...
    • Adjunctive effects of a sub-antimicrobial dose of doxycycline on clinical parameters and potential biomarkers ... 
      Emingil, Gülnur; Gürkan, Ali; Tervahartiala, Taina; Hernández, Marcela; Özgül, Semiha; Sorsa, Timo; Alassiri, Saeed (MDPI Multidisciplinary Digital Publishing Institute, 2019)
      Objectives: The aim of the present randomized, double-blind, placebo-controlled, parallel-arm study was to examine the effectiveness of a sub-antimicrobial dose of doxycycline (SDD) in combination with nonsurgical periodontal ...
    • A Design Methodology of Multiresonant Controllers for High Performance 400 Hz Ground Power Units 
      Rojas, Félix; Cárdenas, Roberto; Clare, Jon; Díaz, Matías; Pereda, Javier; Kennel, Ralph (Institute of Electrical and Electronics Engineers, 2019)
      In aerospace applications, a ground power unit has to provide balanced and sinusoidal 400 Hz phase-to-neutral voltages to unbalanced and nonlinear single-phase loads. Compensation of high-order harmonics is complex, as the ...
    • Changes in belowground biodiversity during ecosystem development 
      Delgado Baquerizo, Manuel; Bardgett, Richard D.; Vitousek, Peter M.; Maestre, Fernando T.; Williams, Mark A.; Eldridge, David J.; Lambers, Hans; Neuhauser, Sigrid; Gallardo, Antonio; García Velázquez, Laura; Sala, Osvaldo E.; Abades, Sebastián R.; Alfaro, Fernando D.; Berhen, Asmeret A.; Bowker, Matthew A.; Currier, Courtney M.; Cutler, Nick A.; Hart, Stephen C.; Hayes, Patrick E.; Hseu, Zeng-Yei; Kirchmair, Martin; Peña Ramírez, Víctor M.; Pérez, Cecilia A.; Reed, Sasha C.; Santos, Fernanda; Siebe, Christina; Sullivan, Benjamin W.; Weber-Grullon, Luis; Fierer, Noah (National Academy of Sciences, 2019)
      Belowground organisms play critical roles in maintaining multiple ecosystem processes, including plant productivity, decomposition, and nutrient cycling. Despite their importance, however, we have a limited understanding ...
    • Survivorship of wild caught Mepraia spinolai nymphs: The effect of seasonality and Trypanosoma cruzi infection ... 
      Cabe, A. Mc; Yañez, F.; Pinto, R.; López, A.; Ortiz, S.; Muñoz San Martín, Catalina; Botto Mahan, Carezza; Solari, A. (Elsevier B.V., 2019)
      Chagas disease is caused by Trypanosoma cruzi. Vector survival is an important variable affecting vectorial capacity to determine parasite transmission risk. The aims of this study are to evaluate vector survival under ...
    • Enhancing mental health research capacity: Emerging voices from the National Institute of Mental Health ... 
      Da Silva, Andrea Tenório Correia; Hanlon, Charlotte; Susser, Ezra; Rojas, Graciela; García Claro, Heloísa; Quayle, Julieta; Habtamu, Kassahun; Burrone, María Soledad; Cavalcanti, María Tavares; Sharma, Mona; Schneider, Marguerite; Adhikari, Ramesh Prasad; van de Water, Tanya; Mohammed, Yasmin; Ordóñez, Anna E.; Seedat, Soraya (BioMed Central, 2019)
      Background: Emerging researchers in low- and middle-income countries (LMIC) face many barriers, including inadequacies in funding, international exposure and mentorship. In 2012, the National Institute of Mental Health ...
    • Touching the Sky: Coccinellids (Coleoptera: Coccinellidae) at High Altitudes in South America 
      González, G.; Bustamante, A.; Grez Villarroel, Audrey (Springer, 2019)
      Records of extreme altitudes where several coccinellid species from South America inhabit the Andes of Argentina, Bolivia, Chile, Colombia, Ecuador, and Peru are provided. After an intensive review of several entomological ...
    • Patterns of theory use in qualitative research in higher education studies in Latin America: a geopolitical ... 
      Guzmán Valenzuela, Carolina; Barnett, Ronald (Routledge, 2019)
      The relationship between theory and qualitative research has been extensively examined in the literature and has emerged as a problematic matter. This debate has been driven forward mainly in Anglo-Saxon countries and has ...
    • Fluid Distribution in the Central Andes Subduction Zone Imaged With Magnetotellurics 
      Araya Vargas, J.; Meqbel, N. M.; Ritter, O.; Brasse, H.; Weckmann, U.; Yáñez, G.; Godoy, B. (Blackwell Publishing Ltd, 2019)
      We present a model of the electrical resistivity structure of the lithosphere in the Central Andes between 20° and 24°S from 3-D inversion of 56 long-period magnetotelluric sites. Our model shows a complex resistivity ...
    • A control-function approach to correct for endogeneity in discrete choice models estimated on SP-off-RP ... 
      Guevara, C. Angelo; Hess, Stephane (Elsevier Ltd, 2019)
      It is common practice to build Stated Preference (SP) attributes and alternatives from observed Revealed Preference (RP) choices with a view to increasing realism. While many surveys pivot all alternatives around an observed ...
    • Evaluation of Neosaxitoxin as a local anesthetic during piglet castration: A potential alternative for Lidocaine 
      Valenzuela, Carolina; Torres, Cristian; Muñoz, Vanina; Simbaina, Juan Carlos; Sánchez, Andrella; Bustamante, Tamara; Sepúlveda, Joaquín M.; Piron, Robin; Del Campo, Miguel; Lagos, Néstor (Elsevier Ltd, 2019)
      Objetive: To evaluate Neosaxitoxin (NeoSTX) as a local anesthetic drug, for pain control during and after piglet castration. Study design: Prospective, randomized and double-blind study. Animals: 24 commercial hybrids, ...
    • Assessing the ability of image based point clouds captured from a UAV to measure the terrain in the presence ... 
      Wallace, Luke; Bellman, Chris; Hally, Bryan; Hernandez, Jaime; Jones, Simon; Hillman, Samuel (MDPI AG, 2019)
      Point clouds captured from Unmanned Aerial Systems are increasingly relied upon to provide information describing the structure of forests. The quality of the information derived from these point clouds is dependent on a ...
    • Short chain fatty acids (SCFAs)mediated gut epithelial and immune regulation and its relevance for inflammatory ... 
      Venegas, Daniela Parada; De La Fuente, Marjorie K.; Landskron, Glauben; González, María Julieta; Quera, Rodrigo; Dijkstra, Gerard; Harmsen, Hermie J.M.; Faber, Klaas Nico; Hermoso, Marcela A. (Frontiers Media S.A., 2019)
      Ulcerative colitis (UC) and Crohn's disease (CD), collectively known as Inflammatory Bowel Diseases (IBD), are caused by a complex interplay between genetic, immunologic, microbial and environmental factors. Dysbiosis of ...
    • A green and simple sample preparation method to determine pesticides in rice using a combination of SPME ... 
      Omena, Eduarda; Oenning, Anderson Luiz; Merib, Josias; Richter Duk, Pablo; Rosero-Moreano, Milton; Carasek, Eduardo (Elsevier B.V., 2019)
      In this study, a novel environmentally-friendly approach was developed to overcome certain limitations in the analysis of solid food samples. An experimental setup based on solid-phase microextraction apparatus coupled to ...
    • ALMA study of the HD 100453 AB system and the tidal interaction of the companion with the disk 
      Van Der Plas, G.; Ménard, F.; Gonzalez, J. F.; Perez, S.; Rodet, L.; Pinte, C.; Cieza, L.; Casassus Montero, Simón; Benisty, Myriam (EDP Sciences, 2019)
      Context. The complex system HD 100453 AB with a ring-like circumprimary disk and two spiral arms, one of which is pointing to the secondary, is a good laboratory in which to test spiral formation theories. Aims. We aim to ...
    • Centennial-Scale SE Pacific Sea Surface Temperature Variability Over the Past 2,300 Years 
      Collins, James A.; Lamy, Frank; Kaiser, Jérôme; Ruggieri, Nicoletta; Henkel, Susann; De Pol-Holz, Ricardo; Garreaud Salazar, René; Arz, Helge W. (John Wiley and Sons Inc., 2019)
      Detailed temperature reconstructions over the past 2,000 years are important for contextualizing modern climate change. The midlatitude SE Pacific is a key region in this regard in terms of understanding the climatic ...
    • Exploring the R CrA environment with SPHERE: Discovery of a new stellar companion 
      Mesa, D.; Bonnefoy, M.; Gratton, R.; Van Der Plas, G.; D'Orazi, V.; Sissa, E.; Zurlo, A.; Rigliaco, E.; Schmidt, T.; Langlois, M.; Vigan, A.; Ubeira Gabellini, M. G.; Desidera, S.; Antoniucci, S.; Barbieri, M.; Benisty, Myriam; Boccaletti, A.; Claudi, R.; Fedele, D.; Gasparri, (EDP Sciences, 2019)
      Aims. R Coronae Australis (R CrA) is the brightest star of the Coronet nebula of the Corona Australis (CrA) star forming region. This star is very red in color, probably due to dust absorption, and is strongly variable. ...
    • Spatial segregation of dust grains in transition disks : SPHERE observations of 2MASS J16083070-3828268 and ... 
      Villenave, M.; Benisty, Myriam; Dent, W. R.F.; Ménard, F.; Garufi, A.; Ginski, C.; Pinilla, P.; Pinte, C.; Williams, J. P.; De Boer, J.; Morino, J. I.; Fukagawa, M.; Dominik, C.; Flock, M.; Henning, T.; Juhász, A.; Keppler, M.; Muro-Arena, G.; Olofsson, J.; Pérez, L. M.; Van Der (EDP Sciences, 2019)
      Context. The mechanisms governing the opening of cavities in transition disks are not fully understood. Several processes have been proposed, but their occurrence rate is still unknown. Aims. We present spatially resolved ...
    • Images that matter: Social movements, discontent and neoliberalism in chilean documentaries after 2011 ... 
      Pinto, Iván (Universidad Andres Bello, 2019)
      This article analyses Chilean Documentaries released after 2011: El vals de los inútiles (Edison Cajas 2013), Ya no basta con marchar (Hernán Saavedra 2016), Tres instantes un grito (Cecilia Barriga 2013) Propaganda ...