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Now showing items 63318-63337 of 92398

    • Occurrence and distribution of silver in the world-class Río Blanco Porphyry Cu-Mo deposit, central Chile 
      Crespo, Jorge; Reich Morales, Martín; Barra, Fernando; Verdugo, Juan José; Martínez, Claudio; Leisen, Mathieu; Romero, Rurik; Morata Céspedes, Diego; Marquardt, Carlos (Soc Economic Geologists, 2020)
      Porphyry Cu-Mo deposits (PCDs) are the world’s major source of Cu, Mo, and Re and are also a significant source of Au and Ag. Here we focus on the world-class Río Blanco PCD in the Andes of central Chile, where Ag is a ...
    • Occurrence and enumeration of Campylobacter spp. during the processing of Chilean broilers 
      Figueroa, Guillermo; Troncoso, Miriam; Ĺopez, Cristián; Rivas, Patricia; Toro, Magaly (2009)
      Background. Thermotolerant Campylobacter is among the more prevalent bacterial pathogens that cause foodborne diseases. This study aimed at evaluating the occurrence of thermotolerant Campylobacter contamination in chicken ...
    • Occurrence of cadaverine in hairy roots of Brugmansia candida 
      Carrizo, Carla N.; Pitta Alvarez, Sandra I.; Kogan Bocian, Marcelo; Giulietti, Ana M.; Tomaro, María L. (PERGAMON-ELSEVIER SCIENCE LTD, 2001-07)
      The polyamine, cadaverine, was detected in transformed root cultures of Brugmansia candida (syn. Datuira candida), a Solanaceae which produces the tropane alkaloids scopolamine and hyoscyamine. To the best of our knowledge, ...
    • Occurrence of diboa in wild Hordeum species and its relation to aphid resistance 
      Barria, Bernardita N.; Copaja Castillo, Sylvia; Niemeyer Marich, August (1991)
      The secondary metabolise 2,4-dihydroxy-1,4-benzoxazin-3-one (DIBOA) was found in seedlings of wild Hordeum species, but not of cultivated barley (Hordeum vulgare). DIBOA levels correlated negatively with performance of the ...
    • Occurrence of killer yeast strains in industrial and clinical yeast isolates 
      Baeza Cancino, Marcelo; Sanhueza, Mario A.; Cifuentes Guzmán, Víctor (SOC BIOLGIA CHILE, 2008)
      The secretion of proteinaceous toxins is a widespread characteristic in environmental and laboratory yeast isolates. a phenomenon called "killer system". The killer phenotype (K+) call be encoded by extrachromosomal genetic ...
    • Occurrence of Root Rot Disease of Cherimoya (Annona cherimola Mill.) Caused by Dactylonectria macrodidyma in Chile 
      Auger Saavedra, Jaime (Amer Phytopathological Soc, 2015)
    • Occurrence of sei whales (Balaenoptera borealis) in the magellan strait from 2004-2015, Chile 
      Acevedo, Jorge; Aguayo-Lobo, Anelio; González, Alejandro; Haro, Daniela; Olave, Carlos; Quezada, Francisca; Martínez, Francisco; Garthe, Sarah; Cáceres, Benjamín (European Association for Aquatic Mammals, 2017)
    • Occurrence, variability and human exposure to Polychlorinated Dibenzo-p-dioxins (PCDDs), Polychlorinated ... 
      Pizarro Aránguiz, N.; Galbán Malagón, C. J.; Ruiz Rudolph, Pablo; Araya Jordán, Carolina; Maddaleno, A.; San Martín Núñez, Betty (Elsevier Ltd, 2015)
      © 2014 Elsevier Ltd. Levels, congener profiles of PCDD/Fs, DL-PCBs and human exposure for these xenobiotics never have been reported in Chile. For that purpose 102 raw cow milk samples were collected from seven different ...
    • Occurrence, variability and human exposure to Polychlorinated Dibenzo-p-dioxins (PCDDs), Polychlorinated ... 
      Pizarro Aránguiz, N.; Galbán Malagón, C. J.; Ruiz Rudolph, Pablo; Araya Jordan, C.; Maddaleno Toledo, Aldo; San Martín Núñez, Betty (Elsevier, 2015)
      Levels, congener profiles of PCDD/Fs, DL-PCBs and human exposure for these xenobiotics never have been reported in Chile. For that purpose 102 raw cow milk samples were collected from seven different regions of Chile during ...
    • Ocean circulation along the southern Chile transition region (38°–46°S): Mean, seasonal and interannual ... 
      Strub, P. Ted; James, Corinne; Montecino, Vivian; Rutllant, José A.; Blanco, José Luis (Elsevier Ltd, 2019)
      © 2019 The AuthorsSatellite and atmospheric model fields are used to describe the wind forcing, surface ocean circulation, temperature and chlorophyll-a pigment concentrations along the coast of southern Chile in the ...
    • Ocean–Cloud–Atmosphere–Land Interactions in the Southeastern Pacific: The VOCALS Program 
      Mechoso, C. R.; Wood, R.; Weller, R.; Bretherton, C. S.; Clarke, A. D.; Coe, H.; Fairall, C.; Farrar, J. T.; Feingold, G.; Garreaud Salazar, René; Grados, C.; McWilliams, J.; De Szoeke, S. P.; Yuter, S. E.; Zuidema, P. (American Meteorological Society, 2014)
      The present paper describes the Variability of the American Monsoon Systems (VAMOS) Ocean–Cloud–Atmosphere–Land Study (VOCALS), an international research program focused on the improved understanding and modeling of the ...
    • El Océano Austral durante el último máximo glacial en simulaciones CMIP5/PMIP3 
      Latoja Villouta, Daniela Alejandra (Universidad de Chile, 2019)
      Se analiza el Océano Austral en modelos del Paleoclimate Modelling Intercomparison Project Phase 3 (PMIP3) en sus simulaciones del Último Máximo Glacial (UMG) y el Preindustrial (PI), siendo este último utilizado como ...
    • Ocho horas 
      Lucero Onetto, Javiera Andrea; Yáñez Alcayaga, Joaquín Ignacio; Arroyo Rauch, Daniela Elizabeth; Silva Pérez, José Luis; Aravena Castañeda, Nicolás Felipe (Universidad de Chile, 2019)
      Los días de las alumnas de un colegio consisten en trabajar en los talleres de gastronomía y diseño de vestuario, y almorzar. Repiten constantemente sus movimientos y acciones en los mismos espacios, replicando el modo ...
    • Ochronotic arthropathy with calcium pyrophosphate crystal deposition a light and electron microscopic study 
      Reginato, Antonio J.; Ralph Schumacher, H.; Martinez, Virginia A. (1973)
      Synovial fluid from a patient with ochronotic arthropathy and calcification of the capsule of the right knee contained calcium pyrophosphate crystals and dark debris. Microscopic examination of an unstained fresh preparation ...
    • Ocio digital y vida cotidiana: alcances de la experiencia social de ocio en las social media por parte de ... 
      Cortés Concha, Omar Samuel (Universidad de Chile, 2016-07)
      El presente estudio se propone caracterizar y describir los sentidos elaborados respecto a la experiencia social de ocio digital en las Social Media por los y las jóvenes nativos digitales. A partir del aumento del acceso ...
    • Ocio y apropiación socioespacial desde una perspectiva feminista: el caso del Cerro Cordillera, Valparaíso 
      Banda Cárcamo, Consuelo; Concha, Paz (Universidad Nacional de Colombia, 2022)
      This article looks at the ways in which leisure practices create appropriation of urban space in the case of women from Cerro Cordillera in Valparaiso, Chile. Using an ethnographic approach, we focus on the everyday life ...
    • Oclock 
      Davis, Daniela; Guerra, Eliécer (Universidad de Chile, 2018-05)
      Durante los últimos 10 años, Panamá ha protagonizado un importante desarrollo económico con tasas de crecimiento de América Latina y uno de los PIB per cápita más altos del continente. Uno de los motores de este crecimiento ...
    • Octadecyl silica: A solid phase for protein purification by immunoadsorption 
      Chiong Lay, Mario; Lavandero González, Sergio; Ramos, Rodrigo; Aguillón Gutiérrez, Juan Carlos; Ferreira, Arturo (1991)
      Immunoaffinity chromatography involves binding of an antigen or antibody to a solid matrix, usually agarose, frequently using the cyanogen bromide method. These methods are laborious, rather expensive, and their use has ...
    • Octadecylsilane-modified silicas prepared by grafting and sol-gel methods 
      Brambilla, Rodrigo; Pires, Gilvan P.; dos Santos, João H. Z.; Lacerda Miranda, Márcia S.; Chornik Aberbuch, Boris (ELSEVIER SCIENCE BV, 2007-05)
      Silica bearing octadecylsilane groups were synthesized by grafting and the sol–gel method. In the former, commercial silica was chemically modified with octadecyltrimethoxisilane (ODS), while in the latter, it was ...
    • Octahedral complexes of the series of actinides hexafluorides AnF 6 
      Pérez Villa, Andrea; David, Jorge; Fuentealba Rosas, Patricio; Restrepo, Albeiro (Elsevier B.V., 2011)
      Non-relativistic DFT (PW91, PBE, PB86) geometry optimizations followed by relativistic ZORA single point energy calculations on the neutral hexafluoride complexes of the series of actinides U, Np, Pu, Am, Cm, Bk, Cf, Es, ...