Mostrando ítems 1041-1060 de 1852

    • Center-Based Care in Toddlerhood and Child Cognitive Outcomes in Chile: The Moderating Role of Family Socio-Economic Status 

      Allel, Kasim [Univ Mayor, Hlth & Soc Res Ctr, Santiago, Chile]; Narea, Marigen; Arriagada, Veronica (ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD, 2020)
      There is little evidence regarding the benefits of early center-based care attendance (before three years old) for child development and most studies have focused on developed countries. Addressing this gap, this study ...
    • Electrochemical in situ synthesis of polypyrrole nanowires 

      Ramírez, A. M. R. [Univ Mayor, Fac Estudios Interdisciplinarios, Lab Rectroquun, Nucl Quim & Bioquim, Temuco, Chile]; Gacitua, M. A.; Ortega, E.; Díaz, F. R.; del Valle, M. A. (ELSEVIER SCIENCE INC, 2019)
      Modification with polypyrrole nanowires, PPy-nw, is accomplished directly upon the working electrode by electrochemical polymerization methods using mesoporous silica as a template. The silica template is prepared by a ...
    • dsDNA Sensing Capabilities of Metallopolymers Electrochemically Deposited from Ruthenium-Pyrrole and - Thiophene Complexes 

      Ramírez, A. M. R. [Univ Mayor, Nucleo Quim & Bioquim, Fac Estudios Interdisciplinarios, Lab Electroquim, Temuco, Chile]; de Valle, M. A.; González, B.; Espinosa-Bustos, C.; Gacitua, M.; Hernández, L. A. (ESG, 2019)
      In the current work, a study is presented based on the variation of the monomer unit (thiophene or pyrrole) at electrochemically polymerizable ruthenium complexes, evaluating their possible applications in the field of ...
    • UV-VIS spectroelectrochemical in situ study during the electrosynthesis of copolymers 

      Ramírez, A. M. R. [Univ Mayor, Nucleo Ouim & Bioquim, Fac Estudios Interdisciplinarios, Lab Electroquim, Temuco, Chile]; del Valle, M. A.; Motheo, A. (SOC CHILENA QUIMICA, 2019)
      In this work, the synthesis of poly(aniline-co-o-methoxyaniline) is performed using purely electrochemical techniques, coupled to UV-vis spectroscopy in situ, in 3D. The electrocopolymerization is carried out on ITO ...
    • Dietary sources of sodium among Brazilian population: data from Latin American Nutrition and Health Study (ELANS) 

      Ferrari, Gerson Luis de Moraes [Univ Mayor, Ctr Invest Fisiol Ejercicio]; de Mello, Aline Veroneze; Fisberg, Mauro; Previdelli, Agatha Nogueira; Grande de Franca, Natasha Aparecida; Kovalskys, Irina (SOC ESPANOLA DIETETICA & CIENCIAS ALIMENTACION-SEDCA, 2019)
      Introduction: The average daily intake of sodium in Brazil is 4.11 g/d, which is higher than that in most countries worldwide. Objective: This study aimed to investigate the main food sources of sodium in a representative ...
    • The Site-Specific Amino Acid Preferences of Homologous Proteins Depend on Sequence Divergence 

      Ferrada, Evandro [Univ Mayor, Fac Sci, Ctr Genom & Bioinformat] (OXFORD UNIV PRESS, 2019)
      The propensity of protein sites to be occupied by any of the 20 amino acids is known as site-specific amino acid preferences (SSAP). Under the assumption that SSAP are conserved among homologs, they can be used to parameterize ...
    • Formation of Hollow Gold Nanocrystals by Nanosecond Laser Irradiation 

      González, Rafael I. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Santiago, Chile]; Prada, Alejandro [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Santiago, Chile]; González-Rubio, Guillermo; de Oliveira, Thais Milagres; Albrecht, Wiebke; Díaz-Nunez, Pablo; Carlos Castro-Palacio, Juan; Scarabelli, Leonardo; Banares, Luis; Rivera, Antonio; Liz-Marzan, Luis M.; Pena-Rodríguez, Ovidio; Bals, Sara; Guerrero-Martínez, Andres (AMER CHEMICAL SOC, 2020)
      The irradiation of spherical gold nanoparticles (AuNPs) with nanosecond laser pulses induces shape transformations yielding nanocrystals with an inner cavity. The concentration of the stabilizing surfactant, the use of ...
    • Iron-induced derangement in hepatic Delta-5 and Delta-6 desaturation capacity and fatty acid profile leading to steatosis: Impact on extrahepatic tissues and prevention by antioxidant-rich extra virgin olive oil 

      González-Manan, Daniel [Univ Mayor, Fac Ciencias, Nucleo Quim & Bioquim]; Barrera, Cynthia; Valenzuela, Rodrigo; Rincon, Miguel A.; Espinosa, Alejandra; López-Arana, Sandra; Romero, Nalda; Vargas, Romina; Videla, Luis A. (ELSEVIER SCI LTD, 2020)
      The administration of iron induces liver oxidative stress and depletion of long-chain polyunsaturated fatty acids (LCPUFAs), n-6/n-3 LCPUFA ratio enhancement and fat accumulation, which may be prevented by antioxidant-rich ...
    • Simurg: simulate bacterial pangenomes in R 

      Iraola, Gregorio [Univ Mayor, Ctr Integrat Biol]; Ferres, Ignacio; Fresia, Pablo (OXFORD UNIV PRESS, 2020)
      Motivation: The pangenome concept describes genetic variability as the union of genes shared in a set of genomes and constitutes the current paradigm for comparative analysis of bacterial populations. However, there is a ...
    • Alimentary necrobacillosis in alpacas 

      Flores, Carlos [Univ Mayor, Santiago, Chile]; Carvallo, Francisco R.; Uzal, Francisco A.; Diab, Santiago S.; Giannitti, Federico; Crossley, Beate; Wuenschmann, Arno (SAGE PUBLICATIONS INC, 2020)
      Ulcers of the oral cavity, esophagus, and gastric compartments of South American camelids are uncommon. Multifocal-to-coalescing ulcers were identified in the oral cavity, esophagus, and/or gastric compartments of 5 alpacas ...
    • Trends in Urban Forestry Research in Latin America & The Caribbean: A Systematic Literature Review and Synthesis 

      Dobbs, Cynnamon [Univ Mayor, Fac Sci, Ctr Ecosyst Modelling & Monitoring, Santiago, Chile]; Barona, Camilo Ordonez; Devisscher, Tahia; Aguilar, Luis Orozco; Baptista, Mariana Dias; Navarro, Nuria Monica; da Silva Filho, Demostenes Ferreira; Escobedo, Francisco J. (ELSEVIER GMBH, 2020)
      Research on urban forests has expanded in the last 30 years in the US, Canada, Europe, and Australia. Nonetheless, urban forestry has been explored to much less extent in the Latin America and the Caribbean region, despite ...
    • Immunocytochemical and Ultrastructural Evidence Supporting That Andes Hantavirus (ANDV) Is Transmitted Person-to-Person Through the Respiratory and/or Salivary Pathways 

      Zaror, Luis [Univ Mayor, Escuela Tecnol Med, Temuco, Chile]; Pizarro, Enrique; Navarrete, Maritza; Méndez, Carolina; Mansilla, Carlos; Tapia, Mauricio; Carrasco, Cristián; Salazar, Paula; Murua, Roberto; Padula, Paula; Otth, Carola; Martin Rodríguez, Esteban (FRONTIERS MEDIA SA, 2020)
      In South America Andes hantavirus (ANDV) is hosted by the rodent Oligoryzomys longicaudatus (also known as pygmy rice rat). In humans, ANDV causes Hantavirus Pulmonary Syndrome (HPS), with a fatality rate of about 40%. ...
    • Detection of sentinel bacteria in mangrove sediments contaminated with heavy metals 

      Andrade, S. [Univ Mayor, Fac Ciencias, Ctr GEMA Genom Ecol & Medio Ambiente]; Trefault, N. [Univ Mayor, Fac Ciencias, Ctr GEMA Genom Ecol & Medio Ambiente]; Fernández-Cadena, J. C.; Ruiz-Fernández, P. S.; Fernández-Ronquillo, T. E.; Diez, B.; De la Iglesia, R. (PERGAMON-ELSEVIER SCIENCE LTD, 2020)
      Mangroves in the Northwest Coast of South America are contaminated with heavy metals due to wastewater discharges from industries, affecting the biota from this environment. However, bacteria proliferate in these harsh ...
    • Photo-active chitosan-based hybrid films 

      Bonardd, Sebastián [Univ Mayor, Ctr Appl Nanotechnol, Fac Sci]; Fernández, Raquel; Algar, Itxaso; Barandiaran, Irati; Kortaberria, Galder; Gutiérrez, Junkal; Tercjak, Agnieszka (PERGAMON-ELSEVIER SCIENCE LTD, 2020)
      Biodegradable films for food packaging have received increasing attention from the industry in recent years. Due to its extraordinary properties, chitosan has demonstrated to be an exceptional candidate for that kind of ...
    • Interoceptive Insular Cortex Mediates Both Innate Fear and Contextual Threat Conditioning to Predator Odor 

      Murgas, Paola; Contreras, Marco [Univ Mayor, Fac Ciencias, Ctr Biol Integnat, Santiago, Chile]; Rodríguez, Maria; Ceric, Francisco; Harland, Bruce; Torrealba, Fernando; Contreras, Marco (FRONTIERS MEDIA SA, 2020)
      The insular cortex (IC), among other brain regions, becomes active when humans experience fear or anxiety. However, few experimental studies in rats have implicated the IC in threat responses. We have recently reported ...
    • Equilibrium and nonequilibrium in the three-dimensional Q2R cellular automata 

      Urbina, Felipe [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr Invest DAiTA Lab] (AMER PHYSICAL SOC, 2020)
      I study the equilibrium and nonequilibrium dynamics of a conservative and reversible Q2R cellular automata. This system exhibits a configuration space with 2(2N) states, which grows with the size of the system. In this ...
    • Uptake and persistence of bacterial magnetite magnetosomes in a mammalian cell line: Implications for medical and biotechnological applications 

      dos Santos, Adriana Lopes [Univ Mayor, GEMA Ctr Genom Ecol & Environm, Huechuraba, Chile]; Cypriano, Jefferson; Werckmann, Jacques; Vargas, Gabriele; Silva, Karen T.; Leao, Pedro; Almeida, Fernando P.; Bazylinski, Dennis A.; Farina, Marcos; Lins, Ulysses; Abreu, Fernanda (PUBLIC LIBRARY SCIENCE, 2019)
      Magnetotactic bacteria biomineralize intracellular magnetic nanocrystals surrounded by a lipid bilayer called magnetosomes. Due to their unique characteristics, magnetite magnetosomes are promising tools in Biomedicine. ...
    • Mental illness, drinking, and the social division and structure of labor in the United States: 2003-2015 

      Keyes, Katherine M. [Univ Mayor, Ctr Res Soc & Hlth, Santiago, Chile]; Prins, Seth J.; McKetta, Sarah; Platt, Jonathan; Muntaner, Carles; Bates, Lisa M. (WILEY, 2019)
      Background We draw on a relational theoretical perspective to investigate how the social division and structure of labor are associated with serious and moderate mental illness and binge and heavy drinking. Methods The ...
    • Factors associated with objectively measured total sedentary time and screen time in children aged 9-11 years 

      de Moraes Ferrari, Gerson Luis [Univ Mayor, Ctr Invest Fisiol Ejercicio, Santiago, Chile]; Pires, Carlos; Sole, Dirceu; Matsudo, Víctor; Katzmarzyk, Peter T.; Fisberg, Mauro (SOC BRASIL PEDIATRIA, 2019)
      Objective: To identify factors associated with total sedentary time and screen time in children aged 9-11 years. Methods: For seven consecutive days, 328 children (51.5% boys) used accelerometers to monitor total sedentary ...
    • Repeated neonaticide: differences and similarities to single neonaticide events 

      Fernández Arias, Paula [Univ Mayor, Publ Policy Res Ctr, Santiago, Chile]; Klier, Claudia M.; Amon, Sabine; Putkonen, Hanna; Weizmann-Henelius, Ghitta (SPRINGER WIEN, 2019)
      This study aims to identify differences between single and repeat perpetrators of filicide by using register-based data. The study used register-based, comprehensive, nationwide data from both Austria and Finland. The ...


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