Repositorio Académico de la Universidad de Chile: Recent submissions

Now showing items 29921-29940 of 98765

    • Multiple late-pleistocene colonisation events of the Antarctic pearlwort Colobanthus quitensis (Caryophyllaceae) ... 
      Biersma, Elisabeth; Torres Díaz, Cristian; Molina Montenegro, Marco; Newsham, Kevin; Vidal, Marcela; Collado, Gonzalo; Acuña Rodríguez, Ian; Ballesteros, Gabriel; Figueroa, Christian; Goodall Copestake, William; Leppe, Marcelo; Cuba Díaz, Marely; Valladares Cortés, Moises; Pertierra, Luis; Convey, Peter (Wiley, 2020)
      Aim Antarctica's remote and extreme terrestrial environments are inhabited by only two species of native vascular plants. We assessed genetic connectivity amongst Antarctic and South American populations of one of these ...
    • An eight-year survey for canine distemper virus indicates lack of exposure in the endangered Darwin's fox ... 
      Hidalgo-Hermoso, Ezequiel; Cabello, Javier; Vega, Consuelo; Kroeger Gómez, Hedy; Moreira Arce, Darío; Napolitano Valenzuela, Constanza; Navarro Venegas, Carlos; Sacristán, Irene; Cevidanes, Aitor; Di Cataldo, Sophia; Dubovi, Edward; Mathieu-Benson, Christian; Milán, Javier (Wildlife Disease Association, 2020)
      No evidence of exposure to canine distemper virus (CDV) was detected in 70 samples corresponding to 58 wild-trapped Darwin's foxes (Lycalopex fulvipes) in Chile. Given its current endangered status and it being immunologically ...
    • Achieving transparency in public decision making processes via verifiable Randomness 
      Csori Pinto, Constanza Andrea (Universidad de Chile, 2019)
      This work is motivated by providing accountability to public institutions using creative and practical new combinations of cryptographic and technological tools. The need for accountability arises from multiple fronts on ...
    • KCTD5, a novel TRPM4-regulatory protein required for cell migration as a new predictor for breast cancer prognosis 
      Rivas, José; Díaz, Nicolás; Silva, Ian; Morales, Dana; Lavanderos, Boris; Álvarez, Alhejandra; Saldías Maulén, María Paz; Pulgar Pulgar, Eduardo; Cruz Núñez, Pablo; Maureira, Diego; Flores Utreras, Guillermo; Colombo Flores, Alicia; Blanco, Constanza; Contreras Muñoz, Héctor; Jaña, Fabián; Gallegos Méndez, Iván; Concha Nordemann, Miguel; Vergara Jaque, Ariela; Poblete, Horacio; González, Wendy; Varela Lekanda, Diego; Trimmer, James; Cáceres Lluch, Mónica Andrea; Cerda Arancibia, Óscar (Wiley, 2020)
      Transient receptor potential melastatin 4 (TRPM4) is a Ca2+-activated nonselective cationic channel that regulates cell migration and contractility. Increased TRPM4 expression has been related to pathologies, in which ...
    • Reduced repressive epigenetic marks, increased DNA damage and Alzheimer's disease hallmarks in the brain ... 
      Calderón Garcidueñas, Lilian; Herrera Soto, Andrea; Jury, Nur; Maher, Bárbara; González Maciel, Angélica; Reynoso Robles, Rafael; Ruiz Rudolph, Pablo; van Zundert, Brigitte; Varela Nallar, Lorena (Elsevier, 2020)
      Exposure to air pollutants is associated with an increased risk of developing Alzheimer's disease (AD). AD pathological hallmarks and cognitive deficits are documented in children and young adults in polluted cities (e.g. ...
    • Development of a small panel of SNPs to infer ancestry in chileans that distinguishes Aymara and Mapuche components 
      Verdugo Salgado, Ricardo; Di Genova, Alex; Herrera Cisterna, Luisa; Moraga Vergara, Mauricio; Acuña Patzke, Mónica; Berríos del Solar, María Soledad; Llop Romero, Elena; Valenzuela, Carlos Y.; Bustamante Calderón, María Leonor; Digman, Dayhana; Symon Maturana, Adriana; Asenjo, Soledad; López Contreras, Pamela; Blanco, Alejandro E.; Suazo Sanhueza, José; Barozet, Emmanuelle; Caba, Fresia; Villalón Calderón, Marcelo; Alvarado Orellana, Sergio; Cáceres Lillo, Dante; Salgado, Katherine; Portales, Pilar; Moreno Estrada, Andrés; Gignoux, Christopher; Sandoval, Karla; Bustamante, Carlos; Eng, Celeste; Huntsman, Scott; Burchard, Esteban; Loira, Nicolás; Maass Sepúlveda, Alejandro; Cifuentes Ovalle, Lucía (Sociedad de Biología de Chile, 2020)
      Background Current South American populations trace their origins mainly to three continental ancestries, i.e. European, Amerindian and African. Individual variation in relative proportions of each of these ancestries may ...
    • Quantitative assessment of microbial quality and safety risk: a preliminary case study of strengthening ... 
      Ortúzar, Juan; Dogan, Onay; Sotomayor, Gustavo; Jiménez Tapia, Constanza; Clarke, Jennifer; Flores, Rolando; Gray, George; Rupnow, John; Wang, Bing (Elsevier, 2020)
      National governments are moving to integrate risk analysis frameworks into food safety management systems at the country level. However, this process is less advanced in developing countries. In this context, the Chilean ...
    • A Thyroid Genetic Classifier Correctly Predicts Benign Nodules with Indeterminate Cytology: Two Independent, ... 
      Zafereo, Mark; McIver, Bryan; Vargas Salas, Sergio; Domínguez, Jose; Steward, David L.; Holsinger, F. Christopher; Kandil, Emad; Williams, Michelle; Loyola, Soledad; Solar, Antonieta; Roa, Juan; Leon, Augusto; Droppelman, Nicolas; Lobos, Maite; Arias, Tatiana; Kong, Christina S.; Busaidy, Naifa; Grubbs, Elizabeth G.; Graham, Paul; Stewart, John; Tang, Alice; Wang, Jiang; Orloff, Lisa; Henriquez, Marcela; Lagos, Marcela; Osorio, Miren; Schachter, Dina; Franco, Carmen; Medina, Francisco; Wohllk Gonzalez, Nelson; Diaz, Rene; Veliz Lopez, Jesus; Horvath, Eleonora; Tala, Hernan; Pineda Bravo, Pedro; Arroyo Albala, Patricia; Vásquez, Felix; Traipe, Eufrosina; Marin, Luis; Miranda, Giovanna; Bruce, Elsa; Bracamonte, Milagros; Mena, Natalia; Gonzalez, Hernan E. (Mary Ann Liebert, 2020)
      Background: Although most thyroid nodules with indeterminate cytology are benign, in most of the world, surgery remains as the most frequent diagnostic approach. We have previously reported a 10-gene thyroid genetic ...
    • Bayesian identification of electromechanical properties in piezoelectric energy harvesters 
      Peralta, Patricio; Ruiz, Rafael O.; Taflanidis, Alexandros A. (Elsevier, 2020)
      The model updating of the electro-mechanical properties of Piezoelectric Energy Harvesters (PEHs) using experimental data within a Bayesian inference setting is discussed. The implementation requires: a predictive model ...
    • Morfotectónica de la zona costera de Chile Central (32°-33°S) mediante análisis numérico de terreno 
      Saavedra Díaz, Claudio Nicolás (Universidad de Chile, 2019)
      El área de estudio corresponde a la zona costera de Chile central, entre los 32°S y 33°S, y se ubicada en la parte donde el montes submarinos de la placa oceánica de Nazca asociados al Ridge de Juan Fernández subductan ...
    • Alveolar Cleft Reconstruction Using Morphogenetic Protein (rhBMP-2): A Systematic Review and Meta-Analysis 
      Uribe, Francisca; Alister, Juan Pablo; Zaror, Carlos; Olate, Sergio; Fariña, Rodrigo (Alliance Communications Group Division Allen, 2020)
      Objective: This study aimed to review the existing evidence regarding reconstruction of the alveolar cleft using recombinant human bone morphogenetic protein-2 (rhBMP-2) in terms of bone volume and bone height. Des ...
    • Accidental dural puncture rate using real-time pressure sensing technology: A prospective multicenter ... 
      Babazade, Rovnat; Lin, Yu-li; Hidalgo Valles, Guillermo; Capogna, Giorgio; Micaglio, Massimo; Vadhera, Rakesh B.; Gebhard, Ralf E. (Elsevier, 2020)
    • A tip for landscape riders: multi-field inflation can fulfill the swampland distance conjecture 
      Bravo, Rafael; Palma, Gonzalo A.; Riquelme, Simón (IOP, 2020)
      We study how both the swampland distance conjecture and the Lyth bound affect the parameter space of multi-field models of inflation. A generic feature of multi-field inflation is that the geodesic distance [Delta phi](G) ...
    • A Pharmacogenetically Guided Acenocoumarol Dosing Algorithm for Chilean Patients: A Discovery Cohort Study 
      Roco, Ángela; Nieto, Elena; Suárez, Marcelo; Rojo, Mario; Bertoglia, María Paz; Verón, Gabriel; Tamayo, Francisca; Arredondo, Annabella; Cruz, Daniela; Muñoz, Jessica; Bravo, Gabriela; Salas, Patricio; Mejías, Fanny; Godoy, Gerald; Véliz, Paulo; Quiñones Sepúlveda, Luis (Frontiers Media, 2020)
      Background Vitamin K antagonists (VKA) are used as prophylaxis for thromboembolic events in patients with cardiovascular diseases. The most common VKA are warfarin and acenocoumarol. These drugs have a narrow therapeutic ...
    • Modelo provisorio de selección de personas con foco en la cultura de la organización 
      Huerta Sánchez, Sinagi Marcela (Universidad de Chile, 2016)
      En los últimos años, los procesos y prácticas de RRHH han sufrido grandes transformaciones, volviéndose cada vez más estratégicos, trabajando para alinearse con las prácticas y objetivos corporativos, y procurando generar ...
    • La pérdida en la vejez: relación entre sistemas de significado y experiencias de afrontamiento a la pérdida ... 
      Araya Telias, Alfonso; Jofré Ibáñez, Pamela (Universidad de Chile, 2017)
      El envejecimiento poblacional es un patrón en Chile y el mundo. La vejez conlleva desafíos y necesidades específicas, por lo que estudiar los procesos adaptativos propios de esta etapa toma vital importancia. En la vejez ...
    • A new hybrid heuristic algorithm for the Precedence Constrained Production Scheduling Problem: A mining application 
      Jélvez, Enrique; Morales Varela, Nelson; Nancel Penard, Pierre; Cornillier, Fabien (Elsevier, 2020)
      In this work we address the Precedence Constrained Production Scheduling Problem (PCPSP), the problem of scheduling tasks in such a way that total profit is maximized, while satisfying conditions such as precedence constraints ...
    • A hot terrestrial planet orbiting the bright M dwarf L 168-9 unveiled by TESS 
      Astudillo Defru, N.; Cloutier, R.; Wang, S. X.; Teske, J.; Brahm, R.; Hellier, C.; Ricker, G.; Vanderspek, R.; Latham, D.; Seager, S.; Winn, J. N.; Jenkins, J. M.; Collins, K. A.; Stassun, K. G .; Ziegler, C.; Almenara, J. M.; Anderson, D. R.; Artigau, E.; Bonfils, X.; Bouchy, F.; Briceño, C.; Butler, R. P.; Charbonneau, D.; Conti, D. M.; Crane, J.; Crossfield, I. J. M.; Davies, M.; Delfosse, X.; Diaz, R. F.; Doyon, R.; Dragomir, D.; Eastman, J. D.; Espinoza, N.; Essack, Z.; Feng, F.; Figueira, P.; Forveille, T.; Gan, T.; Glidden, A.; Guerrero, N.; Hart, R.; Henning, Th; Horch, E. P.; Isopi, G.; Jenkins, James S.; Jordan, A.; Kielkopf, J. F.; Law, N.; Lovis, C.; Mallia, F.; Mann, A. W .; de Medeiros, J. R.; Melo, C.; Mennickent, R. E .; Mignon, L.; Murgas, F.; Nusdeo, D. A.; Pepe, F.; Relles, H. M.; Rose, M.; Santos, N. C.; Segransan, D.; Shectman, S.; Shporer, A.; Smith, J. C.; Torres, P.; Udry, S.; Villasenor, J.; Winters, J. G.; Zhou, G. (EDP Sciences, 2020)
      We report the detection of a transiting super-Earth-sized planet (R = 1.39 +/- 0.09 R-circle plus) in a 1.4-day orbit around L 168-9 (TOI-134), a bright M1V dwarf (V = 11, K = 7.1) located at 25.15 +/- 0.02 pc. The host ...
    • Enfrentamientos comunicacionales durante eventos de protesta: estudio de caso por medio del análisis de prensa 
      Navarro San Martín, Ana (Universidad de Chile, 2017-08)
      El intercambio comunicacional que se produce entre los movimientos sociales y diversos actores políticos a través de los medios ha sido estudiado a partir de los frames, marcos o encuadres (Gamson, 2001). El proceso por ...
    • ¿Qué y cómo se aprende cuando se participa en actividades de extensión universitaria?. Experiencias de ... 
      Flores Haverbeck, Fernanda (Universidad de Chile, 2017)
      La siguiente investigación tiene por objetivo conocer las experiencias de aprendizaje en actividades de extensión universitaria que tienen los estudiantes de la Psicología de la Universidad de Chile y la relación que ...