Repositorio Académico de la Universidad de Chile: Recent submissions

Now showing items 23421-23440 of 101786

    • Holocene history of río tranquilo glacier, monte San Lorenzo (47°S), Central Patagonia 
      Sagredo, Esteban A.; Reynhout, Scott Andrew; Kaplan, Michael R.; Aravena, Juan C.; Araya, Paola S.; Luckman, Brian H.; Schwartz, Roseanne; Schaefer, Joerg M. (Frontiers Media, 2021)
      The causes underlying Holocene glacier fluctuations remain elusive, despite decades of research efforts. Cosmogenic nuclide dating has allowed systematic study and thus improved knowledge of glacier-climate dynamics ...
    • Genome sequencing and transcriptomic analysis of the andean killifish orestias ascotanensis reveals adaptation ... 
      Di Genova, Alex; Nardocci, Gino; Maldonado Agurto, Rodrigo Alejandro; Hodar Quiroga, Christian Eduardo; Valdivieso, Camilo; Morales, Pamela; Gajardo, Felipe; Marina, Raquel; Gutiérrez, Rodrigo A.; Orellana, Ariel; Cambiazo Ayala, Liliana Verónica; González Canales, Mauricio Alejandro; Glavic Maurer, Alvaro Alberto; Mendez Torres, Marco Antonio; Maass Sepúlveda, Alejandro Eduardo; Allende Connelly, Miguel Luis; Montecino, Martin A. (Academic Press Inc Elsevier Science, 2021)
      Orestias ascotanensis (Cyprinodontidae) is a teleost pupfish endemic to springs feeding into the Ascotan saltpan in the Chilean Altiplano (3,700 m.a.s.l.) and represents an opportunity to study adaptations to high-altitude ...
    • Feasibility of screening for chromosome 15 imprinting disorders in 16 579 newborns by using a novel genomic ... 
      Godler, David E.; Ling, Ling; Gamage, Dinusha; Baker, Emma K.; Bui, Minh; Field, Michael J.; Rogers, Carolyn; Butler, Merlin G.; Murgia, Alessandra; Leonardi, Emanuela; Polli, Roberta; Schwartz, Charles E.; Skinner, Cindy D.; Alliende Rodríguez, Maria Angelica; Santa María Vásquez, Lorena Ivette; Pitt, James; Greaves, Ronda; Francis, David; Oertel, Ralph; Wang, Min; Simons, Cas; Amor, David J. (Asociación Médica Amer, 2021)
      IMPORTANCIA Las pruebas de detección del síndrome de Angelman (AS), el síndrome de Prader-Willi (PWS) y el síndrome de duplicación del cromosoma 15 (Dup15q) en recién nacidos pueden beneficiar el diagnóstico y el tratamiento ...
    • Vida cotidiana y experiencias morales de un grupo de jóvenes en conflicto con la ley en Santiago, Chile 
      Carreño Hernández, Mauricio Alexis; Abarca Brown, Gabriel Antonio; Radiszcz Sotomayor, Cristian Esteban (Centro de Estudos Sociais da Universidade de Coimbra, Portugal, 2021)
      En este artículo exploramos la vida cotidiana de un grupo de jóvenes en conflicto con la ley y las relaciones que mantienen con los dispositivos y las estrategias de la actual Ley 20.084 de Responsabilidad Penal Adolescente ...
    • El pragmatismo en la historia inicial de la terapia ocupacional 
      Morrison Jara, Rodolfo (Cuba Editorial, Brasil, 2021)
      Cómo movimiento filosófico y fundamento epistemológico de la terapia ocupacional, el pragmatismo es citado en escasos textos al inicio de la profesión. Es por lo anterior, que en este artículo se busca describir las ...
    • Diferencias en el estado nutricional y potencia aeróbica máxima en adolescentes de acuerdo al nivel de ... 
      Castro Cisterna, Silvia; Amoretti, Enzo; Leyton Dinamarca, Barbara de Lourdes; Soto Sánchez, Johana (Soc Chilena Nutrición, 2021)
      Introducción: Chile, en los últimos 40 años, ha presentado cambios sociales que han influido en el nivel de vulnerabilidad de niños, niñas y adolescentes. Este nivel es determinado a través del índice de vulnerabilidad ...
    • A wide-orbit giant planet in the high-mass b Centauri binary system 
      Janson, Markus; Gratton, Raffaele; Rodet, Laetitia; Vigan, Arthur; Bonnefoy, Mickael; Delorme, Philippe; Mamajek, Eric E.; Reffert, Sabine; Stock, Lukas; Marleau, Gabriel Dominique; Langlois, Maud; Chauvin, Gael; Desidera, Silvano; Ringqvist, Simon; Mayer, Lucio; Viswanath, Gayathri; Squicciarini, Vito; Meyer, Michael R.; Samland, Matthias; Petrus, Simon; Helled, Ravit; Kenworthy, Matthew A.; Quanz, Sascha P.; Biller, Beth; Henning, Thomas; Mesa, Dino; Engler, Natalia; Carson, Joseph C. (Nature, 2021)
      Planet formation occurs around a wide range of stellar masses and stellar system architectures(1). An improved understanding of the formation process can be achieved by studying it across the full parameter space, particularly ...
    • Dyspnoea and respiratory muscle ultrasound to predict extubation failure 
      Dres, Martin; Similowski, Thomas; Goligher, Ewan C.; Pham, Tai; Sergenyuk, Liliya; Telias, Irene; Grieco, Domenico Luca; Ouechani, Wissale; Junhasavasdikul, Detajin; Sklar, Michael C.; Damiani, L. Felipe; Melo, Luana; Santis, César; Degravi, Lauriane; Decavele, Maxens; Brochard, Laurent; Demoule, Alexandre (European Respiratory Soc, 2021)
      Background This study investigated dyspnoea intensity and respiratory muscle ultrasound early after extubation to predict extubation failure. Methods The study was conducted prospectively in two intensive care units in ...
    • The EDGE-CALIFA survey: the resolved star formation efficiency and local physical conditions 
      Villanueva, V.; Bolatto, A.; Vogel, S.; Levy, R. C.; Sánchez, S. F.; Barrera Ballesteros, J.; Wong, T.; Rosolowsky, E.; Colombo, D.; Rubio López, Mónica Solange; Cao, Y.; Kalinova, V.; Leroy, A.; Utomo, D.; Herrera Camus, R.; Blitz, L.; Luo, Y. (IOP, 2021)
      The Astrophysical Journal The American Astronomical Society, find out more The Institute of Physics, find out more The EDGE-CALIFA Survey: The Resolved Star Formation Efficiency and Local Physical Conditions V. ...
    • Exploratory X-Ray monitoring of luminous radio-quiet quasars at high redshift: extended time-series analyses ... 
      Thomas, Marcus O.; Shemmer, Ohad; Brandt, W. N.; Paolillo, Maurizio; Kaspi, Shai; Vignali, Cristian; Lira Teillery, Paulina Maria; Schneider, Donald P. (IOP, 2021)
      The Astrophysical Journal The American Astronomical Society, find out more The Institute of Physics, find out more Exploratory X-Ray Monitoring of Luminous Radio-quiet Quasars at High Redshift: Extended ...
    • Technology-assisted collaborative care program for people with diabetes and/or high blood pressure attending ... 
      Martínez, Pablo; Guajardo Tobar, Viviana Alejandra; Gómez, Víctor E.; Brandt, Sebastián; Szabo Lagos, Wilsa Margarita; Soto Brandt, Benjamin Gonzalo; Farhang, Maryam; Baeza, Paulina; Campos, Solange; Herrera, Pablo; Rojas Castillo, María Graciela (MDPI, 2021)
      The comorbidity of depression with physical chronic diseases is usually not considered in clinical guidelines. This study evaluated the feasibility of a technology-assisted collaborative care (TCC) program for depression ...
    • The characterization of the dust content in the ring around Sz 91: indications of planetesimal formation? 
      Mauco, Karina; Carrasco González, Carlos; Schreiber, Matthias R.; Sierra, Aníbal; Olofsson, Johan; Bayo, Amelia; Cáceres, Claudio; Cánovas, Héctor; Palau, Aina (IOP, 2021)
      One of the most important questions in the field of planet formation is how millimeter- and centimeter-sized dust particles overcome radial drift and fragmentation barriers to form kilometer-sized planetesimals. ...
    • Preliminary pharmacogenomic-based predictive models of tamoxifen response in hormone-dependent chilean ... 
      Miranda, Carla; Galleguillos, Macarena; Torres, Roberto; Tardon, Karla; Cáceres Lillo, Dante; Lee, Kuen-shiou; Redal, María A.; Varela, Nelson M.; Quiñones Sepúlveda, Luis Abel (Frontiers Media, 2021)
      Tamoxifen (TAM), a selective oestrogen receptor modulator, is one of the most used treatments in oestrogen receptor-positive (ER+) early and metastatic breast cancer (BC) patients. The response to TAM has a high degree of ...
    • Microbial interactions as drivers of a nitrification process in a chemostat 
      Ugalde Salas, Pablo; Ramírez Cabrera, Héctor Ariel; Harmand, Jerome; Desmond-Le Quéméner, Elie (MDPI, 2021)
      This article deals with the inclusion of microbial ecology measurements such as abundances of operational taxonomic units in bioprocess modelling. The first part presents the mathematical analysis of a model that may be ...
    • Light-like propagation of self-interacting Klein-Gordon fields in cosmology 
      Asenjo, Felipe A.; Hojman Guinerman, Sergio Andrés (Springer, 2021)
      It is showed that complex scalar fields with a self-interaction potential may propagate along null geodesics on isotropic flat Friedmann-Lemaitre-Robertson-Walker universes with different time-dependent scale factors. This ...
    • Multiple Delaunay ends solutions of the Cahn-Hilliard equation 
      Kowalczyk, Michal Antoni; Rizzi, Matteo (Taylor & Francis, 2021)
      Let Sigma be a surface of constant mean curvature in R-3 with multiple Delaunay ends. Assuming that Sigma is non degenerate in this paper we construct new solutions to the Cahn-Hilliard equation epsilon Delta u + epsilon(-1)u(1 ...
    • Perinatal food deprivation modifies the caloric restriction response in adult mice through Sirt1 
      Peña Villalobos, Isaac Jonathan; Otárola, Fabiola A.; Casas, Bárbara S.; Sabat Opazo, Pablo Enrique; Palma Alvarado, Verónica Alejandra (Frontiers Media, 2021)
      Variations in the availability of nutritional resources in animals can trigger reversible adjustments, which in the short term are manifested as behavioral and physiological changes. Several of these responses are mediated ...
    • Consensus molecular subtypes of colorectal cancer in clinical practice: a translational approach 
      Valenzuela Torreblanca, Guillermo Ignacio; Cánepa González, Joaquín Alfredo; Simonetti Izquierdo, Carolina Andrea; Solo de Zaldivar, Loreto; Marcelain Cubillos, Katherine Jenny; González Montero, Jaime Alfredo (Baishideng, 2021)
      The identification of several genetic mutations in colorectal cancer (CRC) has allowed a better comprehension of the prognosis and response to different antineoplastic treatments. Recently, through a systematic process, ...
    • Cambio en las actividades de las encimas superoxidismutasa, catalasa, glutation peroxidasa y en los niveles ... 
      Hofmann Pfeffer, Jeanette (Universidad de Chile., 1979)
      El Estudio de las probables alteraciones de los sistemas enzimáticos protectores contra la lipoperoxidación se desarrolló utilizando un modelo experimental de desnutrición en ratas consistente en un muestreo integrado por ...
    • Desplazamientos inducidos mediante Eu(TFC)3 en la resonancia magnetica nuclear de protones 
      Bogdanov Baldamus, Boris Bernardo (Universidad de Chile, 1979)
      Se estudio mediante 1H-RMN la formacion de complejos en solucionentre el reactivo de desplazamiento lantanido (ROL). Eu(TFC)3 y los sustratos donores hexametilfosforamida, dimetilsulfoxido. trimetilfosfato, tetrahidrofurano ...