Browsing by Title

Now showing items 71296-71315 of 92768

    • Probing cosmic chemical evolution with gamma-ray bursts: GRB 060206 at z=4.048 
      Fynbo, Johan P. U.; Starling, R. L. C.; Ledoux, C.; Wiersema, K.; Thöne, C. C.; Sollerman, J.; Jakobsson, Páll; Hjorth, Jens; Watson, Darach; Vreeswijk, Paul M.; Møller, P.; Rol, E.; Gorosabel, Jorge; Näränen, J.; Wijers, Ralph A. M.; Björnsson, G.; Castro Cerón, José María; Curran, P.; Hartmann, D. H.; Holland, S. T.; Jensen, Brian L.; Levan, A. J.; Limousin, M.; Kouveliotou, C.; Nelemans, G.; Pedersen, K.; Priddey, R. S.; Tanvir, N. R. (EDP SCIENCES S A, 2006-06)
      Aims. We present early optical spectroscopy of the afterglow of the gamma-ray burst GRB060206 with the aim of determining the metallicity of the GRB absorber and the physical conditions in the circumburst medium. We also ...
    • Probing protoplanetary disk evolution in the Chamaeleon II region 
      Villenave, M.; Ménard, F.; Dent, W. R. F.; Benisty, Myriam; Van der Plas, G.; Williams, J. P.; Ansdell, M.; Ribas, A.; Cáceres, C.; Cánovas, H.; Cieza, L.; Hales, A.; Kamp, I.; Pinte, C.; Principe, D. A.; Schreiber, M. R. (EDP Sciences, 2021)
      Context. Characterizing the evolution of protoplanetary disks is necessary to improve our understanding of planet formation. Constraints on both dust and gas are needed to determine the dominant disk dissipation ...
    • Probing solubilization sites in block copolymer micelles using fluorescence quenching 
      Olea, Andrés F.; Silva, Patricio; Fuentes, Irma; Martínez Concha, Francisco; Worrall, David R. (Elsevier, 2011)
      The solubilization sites provided by micelles formed by a diblock copolymer with one neutral hydrophobic block, polystyrene, and one charged hydrophilic block, poly(acrylic acid) or poly(methacrylic acid), have been ...
    • Probing the conformation of a conserved glutamic acid within the Cl- pathway of a CLC H+/Cl- exchanger 
      Vien, Malvin; Basilio, Daniel; Leisle, Lilia; Accardi, Alessio (Rockefeller University Press, 2017)
      The CLC proteins form a broad family of anion-selective transport proteins that includes both channels and exchangers. Despite extensive structural, functional, and computational studies, the transport mechanism of the CLC ...
    • Probing the final stages of protoplanetary disk evolution with ALMA 
      Hardy, Adam; Cáceres, C.; Schreiber, Matthias R.; Cieza González, Lucas; Alexander, R. D.; Cánovas, H.; Williams, Jonathan P.; Wahhaj, Zahed; Ménard, Francois (EDP Sciences, 2015)
      Context. The evolution of a circumstellar disk from its gas-rich protoplanetary stage to its gas-poor debris stage is not understood well. It is apparent that disk clearing progresses from the inside-out on a short time ...
    • Probing the hydride transfer process in the lumiflavine-1- methylnicotinamide model system using group softness 
      Rivas, Pilar; Zapata Torres, Gerald; Melin, Junia; Contreras Ramos, Renato (2004)
      The hydride transfer process between the isoalloxazine moiety of flavins and the nicotinamide moiety of NAD(P)H has been explored by using density functional theory based reactivity index in the 1-methylnicotinamide-lumiflavine ...
    • Probing the innermost region of the AU microscopii debris disc 
      Gallenne, Alexandre; Desgrange, C.; Milli, J.; Sánchez Bermúdez, J.; Chauvin, Gael; Kraus, S.; Girard, J. H.; Boccaletti, A. (EDP Sciences, 2022)
      Context. AU Mic is a young and nearby M-dwarf star harbouring a circumstellar debris disc and one recently discovered planet on an eight-day orbit. Large-scale structures within the disc were also discovered and are moving ...
    • Probing the magnetospheric accretion region of the young pre-transitional disk system DoAr 44 using VLTI/GRAVITY 
      Bouvier, J.; Perraut, K.; Le Bouquin, J.-B.; Duvert, G.; Dougados, C.; Brandner, W.; Benisty, Miriam; Berger, J.-P.; Alécian, P. (EDP Sciences, 2020)
      Context. Young stellar objects are thought to accrete material from their circumstellar disks through their strong stellar magnetospheres. Aims. We aim to directly probe the magnetospheric accretion region on a scale ...
    • Probing the mechanical properties of porous nanoshells by nanoindentation 
      Valencia, Felipe J.; Aurora, Viviana; Rámirez González, Max Alberto; Ruestes, Carlos J.; Prada, Alejandro; Varas Barboza, Alejandro Javier; Rogan Castillo, José Antonio (MDPI, 2022)
      In this contribution, we present a study of the mechanical properties of porous nanoshells measured with a nanoindentation technique. Porous nanoshells with hollow designs can present attractive mechanical properties, as ...
    • Probing the pore size of the hemocyanin channel 
      Cecchi, Ximena; Bull Simpfendorfer, Ricardo; Franzoy, Roberto; Coronado, Roberto; Alvarez, Osvaldo (1982)
      We have studied single-channel conductance for different monovalent cations and streaming potentials caused by osmotic gradients of non-electrolytes in hemocyanin-treated membranes. We have found that the smaller ion, which ...
    • Probiotic compared with standard milk for high-caries children 
      Rodríguez,; Ruiz,; Faleiros,; Vistoso,; Marró,; Sánchez,; Urzúa,; Cabello, (SAGE Publications Inc., 2015)
      © 2016 International & American Associations for Dental Research.The aim of this study was to compare milk supplemented with probiotic lactobacilli with standard milk for the increment of caries in preschool children after ...
    • Probiotic Compared with Standard Milk for High-caries Children: A Cluster Randomized Trial 
      Rodríguez, G.; Ruíz, B.; Faleiros Chioca, Simone; Vistoso, A.; Marró, M.; Sanchez, J.; Urzua, I.; Cabello, R. (SAGE PUBLICATIONS, 2016)
      The aim of this study was to compare milk supplemented with probiotic lactobacilli with standard milk for the increment of caries in preschool children after 10 mo of intervention. The study was a triple-blind, placebo-controlled ...
    • Probiotic screening and safety evaluation of lactobacillus strains from plants, artisanal goat cheese, human ... 
      Gotteland, Martin; Cires, Maria Jose; Carvallo, Claudia; Vega, Natalia; Ramirez, Maria Antonieta; Morales, Pamela; Rivas, Patricia; Astudillo, Fernanda; Navarrete, Paola; Dubos, Céline; Figueroa, Alvaro; Troncoso, Miriam; Ulloa, Carolina; Mizgier, Maria Luisa; Carrasco Pozo, Catalina; Speisky, Hernan; Brunser, Oscar; Figueroa, Guillermo (Mary Ann Liebert, 2014)
      The aim of this study was to select autochthonous strains of Lactobacillus from stools of healthy infants and adults, human milk, artisanal goat cheese, and fruits and vegetables according to their probiotic properties and ...
    • Probiotic yeasts and vibrio anguillarum infection modify the microbiome of zebrafish larvae 
      Vargas Blanco, Orlando; Gutiérrez, María Soledad; Caruffo, Mario; Valderrama, Benjamín; Medina, Daniel A.; García, Katherine; Reyes Jara, Angélica Sofía; Toro Ibaceta, Magaly Alejandra; Feijóo, Carmen G.; Navarrete Wallace, Paola Alejandra (Frontiers Media, 2021)
      The host microbiome plays an essential role in health and disease. Microbiome modification by pathogens or probiotics has been poorly explored especially in the case of probiotic yeasts. Next-generation sequencing currently ...
    • Probiotics-based treatment as an integral approach for alcohol use disorder in alcoholic liver disease 
      Fuenzalida, Catalina; Dufeu Garfias, María Soledad; Poniachik Teller, Jaime Melchor; Roblero Cum, Juan Pablo; Valenzuela Pérez, Lucía Teresita; Beltrán Muñoz, Caroll Jenny (Frontiers Media, 2021)
      Alcoholic liver disease (ALD) is one of the leading causes of morbidity among adults with alcohol use disorder (AUD) worldwide. Its clinical course ranges from steatosis to alcoholic hepatitis, progressing to more severe ...
    • Probiotics: innocuousness, prevention and risks 
      Brunser, Oscar (2017)
      Probiotics have been defined as live microorganisms which, when ingested in adequate numbers, confer health benefits to the host. They are currently consumed without any age restrictions and adverse effects such as sepsis, ...
    • Probiótico y bacteriófagos como biocontroladores de la colonización de Salmonella Enteritidis en pollos ... 
      Santibáñez Pinto, Francisca Ignacia (Universidad de Chile, 2008)
      Salmonella spp., principalmente el serotipo Enteritidis, causa serios problemas en la salud humana y animal, tanto en el país como en el mundo, además de grandes costos económicos. En aves, se promueven medidas de control, ...
    • Probióticos y sepsis tardía en prematuros: un meta-análisis 
      Conca Minaeff, Natalia (Soc Chilena Infectología, 2016)
    • Problem solving and collaboration using mobile serious games 
      Sánchez Ilabaca, Jaime; Olivares, Ruby (PERGAMON-ELSEVIER, 2011-11)
      This paper presents the results obtained with the implementation of a series of learning activities based on Mobile Serious Games (MSGs) for the development of problem solving and collaborative skills in Chilean 8th grade ...
    • Problem solving as a professional development strategy for teachers: a case study with fractions 
      Perdomo Díaz, Josefa; Felmer Aichele, Patricio; Randolph, Valeria; González, Guillermo (Modestum Ltd., 2017)
      In this paper we present a professional development course designed to impact on teachers' mathematical knowledge for teaching fractions. The main features of the course are the use of i) problem solving activities related ...