Repositorio Académico de la Universidad de Chile: Recent submissions

Now showing items 24341-24360 of 101786

    • The SREBP (Sterol Regulatory Element-Binding Protein) pathway: a regulatory bridge between carotenogenesis ... 
      Gómez, Melissa; Baeza Cancino, Marcelo Enrique; Cifuentes Guzmán, Víctor; Alcaíno Gorman, Jennifer (Sociedad de Biología de Chile, 2021)
      Xanthophyllomyces dendrorhous is a basidiomycete yeast that naturally produces the red-orange carotenoid astaxanthin, which has remarkable antioxidant properties. The biosynthesis of carotenoids and sterols share some ...
    • Systematic review: genetic, neuroimaging, and fluids biomarkers for frontotemporal dementia across Latin ... 
      Durán Aniotz, Claudia Andrea; Orellana, Paulina; Rodríguez, Tomas León; Henríquez, Fernando; Cabello, Victoria; Aguirre Pinto, María Francisca; Escobedo, Tamara; Takada, Leonel T.; Pina Escudero, Stefanie D.; López, Oscar; Yokoyama, Jennifer S.; Ibáñez, Agustín; Parra, Mario A.; Slachevsky Chonchol, Andrea Maria (Frontiers Media, 2021)
      Frontotemporal dementia (FTD) includes a group of clinically, genetically, and pathologically heterogeneous neurodegenerative disorders, affecting the fronto-insular-temporal regions of the brain. Clinically, FTD is ...
    • Evaluación de factibilidad estratégica, técnica y económica para el desarrollo de un centro privado de ... 
      González Escudero, Gadiel Antonio (Universidad de Chile, 2021)
      La presente evaluación tuvo como finalidad determinar la factibilidad estratégica, técnica y económica para el desarrollo de un centro privado de rehabilitación dedicado a consumidores de sustancias psicoactivas mediante ...
    • Identificación de estilos artísticos a través de redes convolucionales y análisis de arquetipos 
      Garay Roos, Osvaldo Nicolás (Universidad de Chile, 2021)
      La motivación de este trabajo surge de la posibilidad de encontrar un método de categorización de obras artísticas según su estilo artístico. Esto se debe a que, además de los fines prácticos que esto puede tener, tales ...
    • Congenital transmission of apicomplexan parasites: a review 
      Rojas Pirela, Maura Lina; Medina, Lisvaneth; Rojas, María Verónica; Liempi Manquel, Ana Isabel; Castillo Rivas, Christian Raúl; Pérez Pérez, Elizabeth; Guerrero Muñoz, Jesús; Araneda, Sebastián; Kemmerling Weis, Ulrike (Frontiers Media, 2021)
      Apicomplexans are a group of pathogenic protists that cause various diseases in humans and animals that cause economic losses worldwide. These unicellular eukaryotes are characterized by having a complex life cycle and the ...
    • Temperature differently affected methanogenic pathways and microbial communities in sub-Antarctic freshwater ... 
      Lavergne, Céline; Aguilar Muñoz, Polette; Calle, Natalia; Thalasso, Frederic; Astorga España, María Soledad; Sepúlveda Jauregui, Armando; Martínez Cruz, Karla; Gandois, Laure; Mansilla, Andrés; Chamy Maggi, Rolando; Barret, Maialen; Cabrol, Lea Jeanne Marie (Elsevier, 2021)
      Freshwater ecosystems are responsible for an important part of the methane (CH4) emissions which are likely to change with global warming. This study aims to evaluate temperature-induced (from 5 to 20 ◦C) changes on microbial ...
    • A dusty filament and turbulent CO spirals in HD 135344B-SAO 206462 
      Casassus, Simon; Christiaens, Valentin; Carcamo, Miguel; Pérez, Sebastián; Weber, Philipp; Ercolano, Barbara; van der Marel, Nienke; Pinte, Christophe; Dong, Ruobing; Baruteau, Clement; Cieza, Lucas; van Dishoeck, Ewine F.; Jordán, Andrés; Price, Daniel J.; Absil, Olivier; Arce Tord, Carla Alessandra; Faramaz, Virginie; Flores, Christian; Reggiani, Maddalena (Oxford, 2021)
      Planet-disc interactions build up local pressure maxima that may halt the radial drift of protoplanetary dust, and pile it up in rings and crescents. ALMA observations of the HD 135344B disc revealed two rings in the thermal ...
    • Avian species richness in cities: a review of the Spanish-language literature from the Southern Cone of ... 
      Muñoz Pacheco, Catalina Beatriz; Villasenor, Nelida (Springer, 2021)
      South America sustains an important part of the world's terrestrial biodiversity and its population is highly urbanized. Global syntheses have revealed a paucity of urban ecological research in the region; however, local ...
    • Desarrollo de modelos en elementos finitos parametrizados de paneles tipo sándwich con núcleos ultralivianos ... 
      Gálvez Sidgman, Vicente (Universidad de Chile, 2021)
      Los metamateriales son materiales artificiales con propiedades inusuales procedentes de su estructura diseñada y no de su composición, esto implica que sus propiedades son diferentes a las de los materiales que lo componen. ...
    • Activation of the NLRP3 Inflammasome Increases the IL-1 beta Level and Decreases GLUT4 Translocation in ... 
      Americo Da Silva, Luan; Aguilera, Javiera; Quinteros Waltemath, Oscar Alberto; Sánchez Aguilera, Pablo Ignacio; Russell, Javier; Cadagan Fuentes, Cynthia Angelica; Meneses Valdés, Roberto Andrés; Sánchez Vergara, Jeannette Romina; Estrada Hormazábal, Manuel; Jorquera, Gonzalo; Barrientos Briones, Genaro Christian; Llanos Vidal, Paola (MDPI, 2021)
      Low-grade chronic inflammation plays a pivotal role in the pathogenesis of insulin resistance (IR), and skeletal muscle has a central role in this condition. NLRP3 inflammasome activation pathways promote low-grade chronic ...
    • Gender disparities in access to care for time-sensitive conditions during COVID-19 pandemic in Chile 
      Pacheco, Jorge; Crispi Galleguillos, María Francisca; Alfaro Morgado, Tania; Martínez Gutiérrez, María Soledad; Cuadrado Nahum, Cristóbal Alfonso (BMC, 2021)
      Background During the COVID-19 pandemic, reductions in healthcare utilization are reported in different contexts. Nevertheless, studies have not explored specifically gender disparities in access to healthcare in the context ...
    • 'We are all in the same boat': How societal discontent affects intention to help during the COVID-19 pandemic 
      Resta, Elena; Mula, Silvana; Baldner, Conrad; Di Santo, Daniela; Agostini, Maximilian; Belanger, Jocelyn J.; Gutzkow, Ben; Kreienkamp, Jannis; Abakoumkin, Georgios; Khaiyom, Jamilah; Ahmedi, Vjollca; Akkas, Handan; Almenara, Carlos A.; Atta, Mohsin; Bagci, Sabahat Cigdem; Basel, Sima; Kida, Edona Berisha; Bernardo, Allan B.; Buttrick, Nicholas R.; Chobthamkit, Phatthanakit; Choi, Hoon-Seok; Cristea, Mioara; Csaba, Sara; Damnjanovic, Kaja; Danyliuk, Ivan; Dash, Arobindu; Douglas, Karen; Enea, Violeta; Gracieli Faller, Daiane; Fitzsimons, Gavan; Gheorghiu, Alexandra; Gómez, Ángel; Hamaidia, Ali; Han, Qing; Helmy, Mai; Hudiyana, Joevarian; Jeronimus, Bertus; Jiang, Ding-Yu; Jovanovic, Veljko; Kamenov, Zeljka; Kende, Anna; Keng, Shian-Ling; Kieu, Tra Thi Thanh; Koc, Yasin; Kovyazina, Kamila; Kozytska, Inna; Krause, Joshua; Kruglanski, Arie; Kurapov, Anton; Kutlaca, Maja; Lantos, Nora Anna; Lemay, Edward; Lesmana, Cokorda Bagus; Louis, Winnifred; Lueders, Adrian; Malik, Najma Iqbal; Martínez, Anton P.; McCabe, Kira O.; Mehulic, Jasmina; Milla, Mirra Noor; Mohammed, Idris; Molinario, Erica; Moyano, Manuel; Muhammad, Hayat; Muluk, Hamdi; Myroniuk, Solomiia; Najafi, Reza; Nisa, Claudia F.; Nyú, Boglárka; O'Keefe, Paul A.; Olivas Osuna, Jose Javier; Osin, Evgeny N.; Park, Joonha; Pica, Gennaro; Pierro, Antonio; Rees, Jonas H.; Reitsema, Anne Margit; Rullo, Marika; Ryan, Michelle K.; Samekin, Adil; Santtila, Pekka; Sasin, Edyta; Schumpe, Birga M.; Selim, Heyla A.; Stanton, Michael Vicente; Stroebe, Wolfgang; Sultana, Samiah; Sutton, Robbie M.; Tseliou, Eleftheria; Utsugi, Akira; Van Breen, Jolien A.; Van Lissa, Caspar J.; Van Veen, Kees; Van Dellen, Michelle R.; Vázquez, Alexandra; Wollast, Robin; Wai-lan Yeung, Victoria; Zand, Somayeh; Lav Žeželj, Iris; Zheng, Bang; Zick, Andreas; Zúñiga, Claudia; Leander, N. Pontus (Wiley, 2021)
      The coronavirus disease 2019 (COVID-19) pandemic has caused a global health crisis. Consequently, many countries have adopted restrictive measures that caused a substantial change in society. Within this framework, it is ...
    • Estimación del impacto de mejoras a la calidad de servicio de una empresa de distribución logística en el ... 
      Galindo Valdés, Angélica Jesús (Universidad de Chile, 2021)
      El aumento en la satisfacción de los clientes de una empresa significa mayores niveles de retención de los mismos, sin embargo, el impacto de una mejora en la calidad de servicio es diferente para cada rubro, por lo que ...
    • Frequency of CYP1A1*2A polymorphisms and deletion of the GSMT1 gene in a Peruvian mestizo population 
      Alvarado, Ángel Tito; Muñoz, Ana María; Saravia Bartra, María; Valderrama Wong, Milton; González Aristegui, Daniela; Quiñones Sepúlveda, Luis Abel; Varela Figueroa, Nelson Miguel; Bendezú, María Rocío; García, Jorge Antonio; Loja Herrera, Berta (Pensoft, 2021)
      The polymorphic variants of CYP1A1 and the deletion of GSTM1 are present in the Peruvian mestizo population. Wild type and mutated genotypes (WT/*2A and *2A/ *2A) were identified, whose allele frequencies are 0.31 (T allele) ...
    • An ALMA study of outflow parameters of protoclusters: outflow feedback to maintain the turbulence 
      Baug, T.; Wang, Ke; Liu, Tie; Wu, Yue-Fang; Li, Di; Zhang, Qizhou; Tang, Mengyao; Goldsmith, Paul F.; Liu, Hong-Li; Tej, Anandmayee; Bronfman Aguiló, Leonardo Jaime; Kim, Kee-Tae; Li, Shanghuo; Lee, Chang Won; Tatematsu, Ken'ichi; Hirota, Tomoya; Toth, L. Viktor (Oxford, 2021)
      With the aim of understanding the role of outflows in star formation, we performed a statistical study of the physical parameters of outflows in 11 massive protoclusters associated with ultracompact H II regions. A total ...
    • Citizens from 13 countries share similar preferences for COVID-19 vaccine allocation priorities 
      Duch, Raymond; Roope, Laurence S. J.; Violato, Mara; Fuentes Becerra, Matías Alejandro; Robinson, Thomas S.; Bonnefon, Jean-Francois; Friedman, Jorge; Loewen, Peter John; Mamidi, Pavan; Melegaro, Alessia; Blanco, Mariana; Vargas, Juan; Seither, Julia; Candio, Paolo; Cruz, Ana Gibertoni; Hua, Xinyang; Barnett, Adrian; Clarke, Philip M. (Natl. Acad. Sciences, 2021)
      How does the public want a COVID-19 vaccine to be allocated? We conducted a conjoint experiment asking 15,536 adults in 13 countries to evaluate 248,576 profiles of potential vaccine recipients who varied randomly on five ...
    • Hunting for the nature of the enigmatic narrow-line Seyfert 1 galaxy PKS 2004-447 
      Berton, M.; Peluso, G.; Marziani, P.; Komossa, S.; Foschini, L.; Ciroi, S.; Chen, S.; Congiu, E.; Gallo, L. C.; Bjorklund, I.; Crepaldi, L.; Di Mille, F.; Jaervelae, E.; Kotilainen, J.; Kreikenbohm, A.; Morrell, N.; Romano, P.; Sani, E.; Terreran, G.; Tornikoski, M.; Vercellone, S.; Vietri, A. (EDP Sciences, 2021)
      Narrow-line Seyfert 1 (NLS1) galaxies are a class of active galactic nuclei (AGN) that, in some cases, can harbor powerful relativistic jets. One of them, PKS 2004-447, shows gamma-ray emission, and underwent its first ...
    • Evolutionary drivers of the hump-shaped latitudinal gradient of benthic polychaete species richness along ... 
      Moreno, Rodrigo A.; Labra, Fabio A.; Cotoras, Darko D.; Camus, Patricio A.; Gutiérrez, Dimitri; Aguirre, Luis; Rozbaczylo, Nicolás; Poulin, Elie Albert; Lagos, Nelson A.; Zamorano, Daniel; Rivadeneira, Marcelo M. (PEERJ, 2021)
      Latitudinal diversity gradients (LDG) and their explanatory factors are among the most challenging topics in macroecology and biogeography. Despite of its apparent generality, a growing body of evidence shows that 'anomalous' ...
    • Which molecular cloud structures are bound? 
      Evans, Neal J.; Heyer, Mark; Miville Deschenes, Marc Antoine; Nguyen Luong, Quang; Merello, Manuel (IOP, 2021)
      We analyze surveys of molecular cloud structures defined by tracers ranging from CO J = 1 → 0 through 13CO J = 1 → 0 to dust emission together with NH3 data. The mean value of the virial parameter and the fraction of mass ...
    • Diversity of self-propulsion speeds reduces motility-induced clustering in confined active matter 
      Castro, Pablo de; Rocha, Francisco M.; Diles, Saulo; Soto Bertrán, Rodrigo Antonio; Sollich, Peter (Royal Soc Chemistry, 2021)
      Self-propelled swimmers such as bacteria agglomerate into clusters as a result of their persistent motion. In 1D, those clusters do not coalesce macroscopically and the stationary cluster size distribution (CSD) takes an ...