Repositorio Académico de la Universidad de Chile: Recent submissions

Now showing items 32661-32680 of 98076

    • Can hydrogen sulphide gas be produced during alkaline leach of enargitic copper concentrates? 
      Montes-Atenas, Gonzalo; de Guevara, Rodrigo Ladrón; Lizama-Allende, Katherine; Valenzuela, F. (Elsevier B.V., 2019)
      © 2019 Elsevier B.V. The usual answer to the question stated in the title of this manuscript would be a definitive no due to the high stability of dissolved sulphide ions in water under strong alkaline conditions; nevertheless, ...
    • Regulation of mitochondrial function as a promising target in platelet activation-related diseases 
      Fuentes, Eduardo; Araya Maturana, Ramiro; Urra, Félix A. (Elsevier Inc., 2019)
      © 2019 Elsevier Inc.Platelets are anucleated cell elements produced by fragmentation of the cytoplasm of megakaryocytes and have a unique metabolic phenotype compared with circulating leukocytes, exhibiting a high coupling ...
    • Digital vs. analog PET/CT: intra-subject comparison of the SUVmax in target lesions and reference regions 
      Fuentes-Ocampo, Francisco; López-Mora, Diego Alfonso; Flotats, Albert; Paillahueque, Gabriela; Camacho, Valle; Duch, Joan; Fernández, Alejandro; Domènech, Anna; Estorch, Montserrat; Carrió, Ignasi (Springer Berlin Heidelberg, 2019)
      © 2019, The Author(s).Purpose: The purpose of this study was to assess whether digital photon counting technology in digital PET/CT influences the quantification of SUVmax in target lesions and regions of reference compared ...
    • Decision-Making and Informal Political Institutions in Chilean Sub-National Public Investment 
      Espinoza, Vicente; Rabi, Violeta; Ulloa, Valentina; Barozet, Emmanuelle (Springer New York LLC, 2019)
      © 2019, Springer Science+Business Media, LLC, part of Springer Nature.Literature on informal political institutions has focused on the national level, disregarding sub-national contexts where one can expect increased ...
    • An 11-country study to benchmark the implementation of recommended nutrition policies by national governments ... 
      Vandevijvere, Stefanie; Barquera, Simon; Caceres, Gabriela; Corvalán Aguilar, Camila; Karupaiah, Tilakavati; Kroker-Lobos, Maria Fernanda; L'Abbé, Mary; Ng, See Hoe; Phulkerd, Sirinya; Ramírez Zea, Manuel; Rebello, Salome A.; Reyes, Marcela; Sacks, Gary; Sánchez Nóchez, Carme (Blackwell Publishing Ltd, 2019)
      © 2019 World Obesity FederationThe Healthy Food Environment Policy Index (Food-EPI) aims to assess the extent of implementation of recommended food environment policies by governments compared with international best ...
    • ABA promotes starch synthesis and storage metabolism in dormant grapevine buds 
      Rubio, Sebastián; Noriega, Ximena; Pérez, Francisco J. (Elsevier GmbH, 2019)
      © 2019 Elsevier GmbH In grapevine (Vitis vinifera L.) buds, the short day (SD)-photoperiod induces endodormancy and increases the level of ABA and the expression of ABA key biosynthesis genes, which suggests that ABA could ...
    • Evolution of the phenolic compounds profile of olive leaf extract encapsulated by spray-drying during in ... 
      González, Estefanía; Gómez-Caravaca, Ana María; Giménez, Begoña; Cebrián, Rubén; Maqueda, Mercedes; Martínez-Férez, Antonio; Segura-Carretero, Antonio; Robert Canales, Paz (Elsevier Ltd, 2019)
      © 2018 Elsevier LtdAn olive leaf extract (OLE) was microencapsulated with sodium alginate (SA) by spray-drying to study the evolution of oleuropein (ORP) during in vitro gastrointestinal digestion, and its bioaccessibility ...
    • Antimicrobial properties of a novel copper-based composite coating with potential for use in healthcare ... 
      Montero, David A.; Arellano, Carolina; Pardo, Mirka; Vera, Rosa; Gálvez, Ricardo; Cifuentes, Marcela; Berasain, Mariá A.; Gómez, Marisol; Ramírez, Claudio; Vidal, Roberto M. (BioMed Central Ltd., 2019)
      © 2019 The Author(s).Background: Healthcare-associated infections (HAIs) have a major impact on public health worldwide. Particularly, hospital surfaces contaminated with bacterial pathogens are often the origin of both ...
    • Ice dynamics of union glacier from SAR offset tracking 
      Gomez, Rodrigo; Arigony-Neto, Jorge; De Santis, Angela; Vijay, Saurabh; Jaña, Ricardo; Rivera, Andres (Elsevier B.V., 2019)
      © 2018 Elsevier B.V. The Antarctic ice sheet is predicted to be the major contributor to sea-level rise during the XXI century. Therefore, monitoring ice dynamics of outlet glaciers in Antarctica is of great importance to ...
    • Implementing a community-based task-shifting psychosocial intervention for individuals with psychosis in ... 
      Agrest, Martin; Le, Phuong Thao D.; Yang, Lawrence H.; Mascayano, Franco; Alves-Nishioka, Silvia; Dev, Saloni; Kankan, Tanvi; Tapia-Muñoz, Thamara; Sawyer, Samantha; Toso-Salman, Josefina; Dishy, Gabriella A.; Jorquera, Maria Jose; Schilling, Sara; Pratt, Charissa; Pri (SAGE Publications Ltd, 2019)
      © The Author(s) 2018.Background: Latin America, and Chile in particular, has a rich tradition of community mental health services and programs. However, in vivo community-based psychosocial interventions, especially those ...
    • Water deficit and abscisic acid treatments increase the expression of a glucomannan mannosyltransferase ... 
      Salinas, Pamela; Salinas, Carlos; Contreras, Rodrigo A.; Zuñiga, Gustavo E.; Dupree, Paul; Cardemil, Liliana (Elsevier Ltd, 2019)
      © 2018 The main polysaccharide of the gel present in the leaves of or Aloe vera Burm.F., (Aloe barbadensis Miller) a xerophytic crassulacean acid metabolism (CAM) plant, is an acetylated glucomannan named acemannan. This ...
    • Nutritional Effects of Zinc on Metabolic Syndrome and Type 2 Diabetes: Mechanisms and Main Findings in Human ... 
      Ruz, Manuel; Carrasco, Fernando; Rojas, Pamela; Basfi-fer, Karen; Hernández, Maria Catalina; Pérez, Alvaro (Humana Press Inc., 2019)
      © 2019, Springer Science+Business Media, LLC, part of Springer Nature.Zinc (Zn) plays crucial roles in mammalian metabolism. There is increasing interest about the potential beneficial effects of Zn on the prevention or ...
    • Ovarian Function in Adolescents Conceived Using Assisted Reproductive Technologies 
      Merino, Paulina M.; Lopez, Patricia; Salinas, Abril; Pastene, Carolina; Ferrada Muñoz, Alex Eduardo; Cassorla Goluboff, Fernando; Codner Dujovne, Ethel (Elsevier USA, 2019)
      © 2018 North American Society for Pediatric and Adolescent Gynecology Study Objective: To compare ovarian function between adolescents conceived using assisted reproductive technology (AcART) and adolescents who were ...
    • Sediment fill geometry and structural control of the Pampa del Tamarugal basin, northern Chile 
      Labbé, N.; García, M.; Simicic, Y.; Contreras Reyes, Eduardo; Charrier González, Reynaldo; De Pascale, G.; Arriagada, C. (Geological Society of America, 2019)
      © 2018 Geological Society of America.Determination of the sediment fill geometry and structure of basins along the western flank of the Central Andes is crucial for understanding the regional tectonic evolution and the ...
    • h- and p-adaptivity driven by recovery and residual-based error estimators for PHT-splines applied to ... 
      Videla, Javier; Anitescu, Cosmin; Khajah, Tahsin; Bordas, Stéphane P.A.; Atroshchenko, Elena (Elsevier Ltd, 2019)
      © 2019 Elsevier Ltd In this work, we demonstrate the application of PHT-splines for time-harmonic acoustic problems, modeled by the Helmholtz equation. Solutions of the Helmholtz equation have two features: global oscillations ...
    • A 4-year follow-up case of extrusive luxation in a patient with cerebral palsy 
      Véliz Ramírez, Andrea; Krämer Strenger, Susanne; Solar López, Melissa; Muñoz Cortes, Pamela; Corral Núñez, Camila (Blackwell Publishing Inc., 2019)
      © 2019 Special Care Dentistry Association and Wiley Periodicals, Inc.Cerebral palsy (CP) is a condition caused by brain damage before, during, or shortly after birth. Communication can be a challenge when treating patients ...
    • Dental malocclusions are not just about small and weak bones: assessing the morphology of the mandible with ... 
      Toro-Ibacache, Viviana; Ugarte, Francisco; Morales, Cristina; Eyquem, Andrea; Aguilera, José; Astudillo, Williams (Springer Verlag, 2019)
      © 2019, The Author(s).Objectives: Dental malocclusions in modern populations would be the result of small and weak jaws developing under low masticatory loads. We assess the validity of this by characterising the external ...
    • Economic-engineering method for assessing trade-offs between instream and offstream uses 
      Génova, Paulina; Null, Sarah E.; Olivares, Marcelo A. (American Society of Civil Engineers (ASCE), 2019)
      © 2018 American Society of Civil Engineers.Rivers provide multiple water uses and services, including offstream uses that are valued economically and instream uses, such as recreation and ecosystem preservation, that are ...
    • Pathogen risk analysis for wild amphibian populations following the first report of a ranavirus outbreak ... 
      Saucedo, Bernardo; Serrano, José M.; Jacinto-Maldonado, Mónica; Leuven, Rob S.E.W.; Rocha García, Abraham A.; Méndez Bernal, Adriana; Gröne, Andrea; van Beurden, Steven J.; Escobedo-Bonilla, César M. (MDPI AG, 2019)
      © 2019 by the authors. Licensee MDPI, Basel, Switzerland. Ranaviruses are the second deadliest pathogens for amphibian populations throughout the world. Despite their wide distribution in America, these viruses have never ...
    • Live programming in practice: A controlled experiment on state machines for robotic behaviors 
      Campusano, Miguel; Fabry, Johan; Bergel, Alexandre (Elsevier B.V., 2019)
      © 2018 Context: Live programming environments are gaining momentum across multiple programming languages. A tenet of live programming is a development feedback cycle, resulting in faster development practices. Although ...