Repositorio Académico de la Universidad de Chile: Recent submissions

Now showing items 29581-29600 of 98365

    • Populismo en el movimiento obrero alemán durante la época madura de Marx y Engels 
      Salgado Muñoz, Manuel (Universidad de Chile, 2017-06)
      En este trabajo tratamos la forma en que Marx y Engels caracterizaron la referencia material designada por el concepto “pueblo”, en su relación con la situación y el desarrollo de las expresiones políticas del movimiento ...
    • Incorporation of nanostructured ReO3 in silica matrix and their activity toward photodegradation of blue methylene 
      Díaz Valenzuela, Carlos; Valenzuela, M. L.; Cifuentes Vaca, O.; Segovia, Marjorie; Laguna Bercero, M. A. (Springer, 2020)
      ReO3 were prepared by thermal treatment of the macromolecular Chitosan center dot(ReCl3)(X) and PSP-4-PVP center dot(ReCl3)(X) precursors. The plasmon band in the visible region for the as obtained ReO3 from their visible ...
    • Ranked document selection 
      Munro, J. Ian; Navarro, Gonzalo; Shah, Rahul; Thankachan, Sharma (Elsevier, 2020)
    • Computing the Fukui Function in solid-state chemistry: application to alkaline earth oxides bulk and surfaces 
      Cerón, M. L.; Gómez, T.; Calatayud, M.; Cárdenas Valencia, Carlos (American Chemical Society, 2020)
      Fukui functions (FFs) are chemical descriptors that are useful to explain the reactivity of systems toward electron transfer. Whereas they have been widely employed for molecules, their application to extended systems is ...
    • Butyrate decreases ICAM-1 expression in human oral squamous cell carcinoma cells 
      Magrin, Gabriel Leonardo; Di Summa, Francesca; Strauss, Franz-Josef; Panahipour, Layla; Mildner, Michael; Magalhães Benfatti, Cesar Augusto; Gruber, Reinhard (MDPI, 2020)
    • Synthesis of silver nanoparticles using aqueous leaf extract of mimosa albida (Mimosoideae): characterization ... 
      Pilaquinga, Fernanda; Amaguana, Dennis; Morey, Jeroni; Moncada-Basualto, Mauricio; Pozo Martínez, Josué; Olea Azar, Claudio; Fernández, Lenys; Espinoza Montero, Patricio; Jara Negrete, Elisa; Meneses, Lorena; López, Fernanda; Debut, Alexis; Piña, Nieves (MDPI, 2020)
      The search for sensitive and rapid analytical techniques for the determination of natural antioxidants is an area in constant growth due, among other aspects, to the complexity of plant matrices. In this study, silver ...
    • Gestión del Clima Organizacional: ¿para qué hacerla? 
      Valencia Duarte, María Violeta (Universidad de Chile, 2010)
      En el presente trabajo se ha planteado el cuestionamiento respecto de la gestión que las Empresas realizan actualmente del Clima Organizacional. Para estudiar este tema, se ha planteado la pregunta de cuál es la finalidad ...
    • Boron addition in a non-equiatomic Fe50Mn30Co10Cr10 alloy manufactured by laser cladding: microstructure ... 
      Aguilar Hurtado, José; Vargas Uscategui, Alejandro; Paredes Gil, Katherine; Palma Hillerns, Rodrigo; Tobar, María J.; Amado, José (Elsevier, 2020)
      A non-equiatomic Fe(50)Mn(30)Co(10)Cr(10 )alloy was prepared by laser cladding, and the effects of boron addition on the microstructure, hardness and abrasive wear-resistance were investigated. Elemental powders were mixed ...
    • Synthesis of Gd2O3/CdO composite by sol-gel method: Structural, morphological, optical, electrochemical and ... 
      Sivasamy, Ramesh; Venugopal, Potu; Mosquera, Edgar (Elsevier, 2020)
      Metal-oxide based hybrid composite materials have broad applications in optical and electrochemical applications. Hence, in this present work fabrication of multifunctional Gd2O3/CdO composite using the facile sol-gel ...
    • ALMA observations of two massive and dense MALT90 clumps 
      Neupane, Sudeep; Garay Brignardello, Guido; Contreras, Yanett; Guzmán, Andrés; Rodríguez, Luis Felipe (IOP, 2020)
      We report Atacama Large Millimeter Array observations of 3 mm dust continuum emission and line emission, in HCO+, (HCO+)-C-13, N2H+, and CH3CN, toward two massive and dense clumps (MDCs) in early but distinct evolutionary ...
    • A polygenic risk score suggests shared genetic architecture of voice break with early markers of pubertal ... 
      Lardone, María Cecilia; Busch, Alexander; Santos, José; Miranda, Patricio; Eyheramendy, Susana; Pereira Scalabrino, Ana; Juul, Anders; Almstrup, Kristian; Mericq, Verónica (Endocrine Society, 2020)
      Context: Voice break, as a landmark of advanced male puberty in genome-wide association studies (GWAS), has revealed that pubertal timing is a highly polygenic trait. Although voice break is easily recorded in large cohorts, ...
    • Trpml controls actomyosin contractility and couples migration to phagocytosis in fly macrophages 
      Edwards Jorquera, Sandra; Bosveld, Floris; Bellaiche, Yohanns; Lennon Dumenil, Ana María; Glavic Maurer, Álvaro (Rockefeller University Press, 2020)
      Phagocytes use their actomyosin cytoskeleton to migrate as well as to probe their environment by phagocytosis or macropinocytosis. Although migration and extracellular material uptake have been shown to be coupled in some ...
    • A polyphenol-rich Calafate (Berberis microphylla) extract rescues glucose tolerance in mice fed with cafeteria diet 
      Soto Covasich, J.; Reyes Farías, Marjorie; Torres, R. F.; Vásquez, Karla; Duarte Silva, Lissette; Quezada, J.; Jiménez Patiño, Paula; Pino, M. T.; García Nannig, Lorena; Mercado, L.; García Díaz, Diego (Elsevier, 2020)
      The establishment of a chronic inflammatory state in the adipose tissue contributes to obesity-associated insulin resistance. Hence, disrupting the inflammatory response elicited by obesity remains a relevant target to ...
    • Nurturing and balancing the world: A relational approach to rock art and technology from north central ... 
      Troncoso Meléndez, Andrés; Armstrong, Felipe; Vergara, Francisco; Ivanovic, Francisca; Urzúa, Paula (Cambridge University Press, 2020)
      Technology has been a central theme in archaeological discussion. Different approaches have been developed in order to understand and better explain the processes that lead to the production of objects and things. The ...
    • Pioneros de un siglo de enseñanza anatómica en la ciudad de Concepción, ChilePioneers of a Century of ... 
      Osorio, H.; Toro, J.; Schorwer, K.; Riveros, A.; Cárdenas Valenzuela, Julio (Sociedad Chilena de Anatomía, 2020)
      Reviewing a century of history, the development of anatomical activities in the city of Concepcion, in the south of Chile, did not occur without difficulties. The present work gathered the historical background related ...
    • Weather regimes linked to daily precipitation anomalies in northern Chile 
      Meseguer Ruiz, Oliver; Cortesi, Nicola; Guijarro, José; Sarricolea Espinoza, Pablo (Elsevier, 2020)
      Northern Chile is one of the most arid regions in the world, with precipitation mainly occurring during austral summer, between December and April. The aim of this study is to classify the main weather regimes derived from ...
    • The lifecycle of molecular clouds in nearby star-forming disc galaxies 
      Chevance, Melanie; Kruijssen, J. M. Diederik; Hygate, Alexander; Schruba, Adreas; Longmore, Steven; Groves, Brent; Henshaw, Jonathan; Herrera, Cinthya; Hughes, Annie; Jeffreson, Sarah; Lang, Philipp; Leroy, Adam; Meidt, Sharon; Pety, Jerome; Razza, Alessandro; Rosolowsky, Erik; Schinnerer, Eva; Bigiel, Frank; Blanc Mendiberri, Guillermo; Emsellem, Eric; Faesi, Christopher; Glover, Simon; Haydon, Daniel; Ho, I-Ting; Kreckel, Kathryn; Lee, Janice; Liu, Daizhong; Querejeta, Miguel; Saito, Toshiki; Sun, Jiayi; Usero, Antonio; Utomo, Dyas (Oxford University Press, 2020)
    • Complex spatial genetic connectivity of mussels mytilus chilensis along the Southeastern Pacif Coast and ... 
      Astorga, Marcela; Cárdenas, Leyla; Pérez, Montse; Toro, Jorge; Martínez Moncada, Víctor; Farías, Ana; Uriarte, Iker (National Shellfiheries Association, 2020)
      To ensure the maintenance of natural mussel beds along the southeastern Pacific coast of Chile, it is important to understand their population dynamics. This means evaluating their genetic population structure and gene ...
    • The Salivary Mycobiome contains 2 ecologically distinct Mycotypes 
      Hong, H. Y.; Hoare Teuche, Anilei; Cardenas, A.; Dupuy, A. K.; Choquette, L.; Salner, A. L.; Schauer, P. K.; Hegde, U.; Peterson, D. E.; Dongari-Bagtzoglou, A.; Strausbaugh, L. D.; DÍaz, P. I. (SAGE, 2020)
      A broad range of fungi has been detected in molecular surveys of the oral mycobiome. However, knowledge is still lacking on interindividual variability of these communities and the ecologic and clinical significance of ...
    • The geology and geophysics of Kuiper Belt object (486958) Arrokoth 
      Spencer, J. R.; Stern, S. A.; Moore, J. M .; Weaver, H. A.; Singer, K. N.; Olkin, C. B.; Verbiscer, A. J.; McKinnon, W. B.; Parker, J. Wm.; Beyer, R. A.; Keane, J. T.; Lauer, T. R.; Porter, S. B.; White, O. L.; Buratti, B. J.; El-Maarry, M. R.; Lisse, C. M.; Parker, A. H.; Throop, H. B.; Robbins, S. J.; Umurhan, O. M.; Binzel, R. P.; Britt, D. T.; Buie, M. W.; Cheng, A. F.; Cruikshank, D. P.; Elliott, H. A.; Gladstone, G .R.; Grundy, W. M.; Hill, M. E.; Horanyi, M.; Jennings, D. E.; Kavelaars, J. J.; Linscott, I. R.; McComas, D. J.; McNutt, R. L.; Protopapa, S.; Reuter, D. C.; Schenk, P. M.; Showalter, M. R.; Young, L. A.; Zangari, A. M.; Abedin, A. Y.; Beddingfield, C. B.; Benecchi, S. D.; Bernardoni, E.; Bierson, C. J.; Borncamp, D.; Bray, V. J.; Chaikin, A. L.; Dhingra, R. D.; Fuentes González, César; Fuse, T.; Gay, P. L.; Gwyn, D. J.; Hamilton, D. P.; Hofgartner, J. D.; Holman, M. J.; Howard, A. D.; Howett, C. J. A.; Karoji, H.; Kaufmann, D. E.; Kinczyk, M.; May, B. H.; Mountain, M.; Pätzold, M.; Petit, J. M.; Piquette, M.R.; Reid, I. N.; Reitsema, H. J.; Runyon, K. D.; Sheppard, S. S.; Stansberry, J. A.; Stryk, T.; Tanga, P.; Tholen, D. J.; Trilling, D. E.; Wasserman, L. H. (American Association Advancement Science, 2020)
      The Cold Classical Kuiper Belt, a class of small bodies in undisturbed orbits beyond Neptune, is composed of primitive objects preserving information about Solar System formation. In January 2019, the New Horizons spacecraft ...