Browsing by Title Artículos de revistas

Now showing items 2646-2665 of 2801

    • Transcriptional and posttranscriptional control in synthesis of growth marker polypeptides in mouse parotids 
      Solis,; Gonzalez, R.; Castillo,; Lillo,; Alliende, (1993)
      The chronic daily administration of isoproterenol provokes in mouse parotid glands the induction and progressive accumulation of a family of secretory polypeptides named polypeptides C, D, E, F, and G (polypeptides C- G). ...
    • Transfer hydrogenation of N-benzylideneaniline catalyzed by ruthenium complexes with pincer-type phosphorus ... 
      Moya, S. A.; Negrete Vergara, C.; Brown, K.; Artigas, V.; Fuentealba, M.; Guerchais, V.; Aguirre, P. (Elsevier, 2017)
      Ruthenium complexes containing phosphorus-nitrogen, pincer-type (NPN) ligands show high activities and selectivities in the transfer hydrogenation of N-benzylideneaniline using propan-2-ol as the hydrogen source. Such ...
    • Transient Phenomena in the Pulse Radiolysis of Oxoisoaporphine Derivatives in Acetonitrile 
      Fuente, J. de la; Kciuk, G.; Sobarzo Sánchez, Eduardo; Bobrowski, Krzysztof (AMER CHEMICAL SOC, 2008-10-16)
      The absorption-spectral and kinetic behavior of radical ions and triplet states of two oxoisoaporphine derivatives, 2,3-dihydrooxoisoaporphine (2,3-DHOA) and 5-methoxy-2,3-dihydrooxoisoaporphine (5-MeO-2,3-DHOA), have been ...
    • Transitory Activation of the Central and Ovarian Norepinephrine Systems During Cold Stress-Induced Polycystic ... 
      Bernuci, M. P.; Leite, C. M.; Barros, P.; Kalil, B.; Leoni, G. B.; Bianco Borges, B. Del; Franci, C. R.; Szawka, R. E.; Lara Peñaloza, Hernán; Anselmo Franci, J. A. (British Society for Neuroendocrinology, 2013)
      Cold stress-induced ovarian sympathetic activation is associated with the development of ovarian cysts in rats. Although we have hypothesised that polycystic ovary (PCO) features induced by cold stress, as prevented by ...
    • Transparent semiconductor-polymer hybrid films with tunable optical properties 
      Martínez, Y.; Retuert de la Torre, Pedro Jaime; Yazdani-Pedram Zobeiri, Mehrdad; Coelfen, H. (ROYAL SOC CHEMISTRY, 2007)
      Size confined CdS nanoparticles with controlled size and narrow particle size distribution were synthesized in transparent adhesive polyelectrolyte films, which are composed of chitosan (CHI), poly( monomethyl itaconate) ...
    • Transport of molybdenum with Alamine 336 using supported liquid membrane 
      Marchese, J.; Valenzuela Lozano, Fernando; Basualto Flores, Carlos; Acosta, Adolfo (ELSEVIER SCIENCE BV, 2004-03)
      The appropriate experimental conditions of Mo(VI) ion transport across a supported liquid membrane containing Alamine 336 as the mobile carrier dissolved in kerosene solvent have been investigated. The molybdenum flux has ...
    • Transport of Zn(II), Cu(II), and Ni(II) on hollow fibers-type solid supported liquid membranes 
      Acosta, Adolfo; Valenzuela Lozano, Fernando; Basualto Flores, Carlos; Marchese, J.; Campderros, M. (SOCIEDAD CHILENA DE QUIMICA, 1998-12)
      This study reports on the transport and separation of Zn(II), Cu(II), and Ni(II) ions via a hollow fiber-type solid supported liquid membrane extractor. Alamine 336, a long chain tertiary amine was used as carrier extractant. ...
    • Transvaginal ultrasound-guided cumulus oocyte complexes aspiration and in vitro embryo production in suckled ... 
      Ratto, M. H.; Peralta, O. A.; Mogollon, G.; Strobel, P.; Correa, J. (2011)
      This study was conducted to determine the use of repeated transvaginal ultrasound-guided cumulus oocyte complex (COC) aspiration on COC recovery rate, in vitro embryo production (IVP) and subsequent pregnancy rates in ...
    • Treatment of acidic mine drainage in an adsorption process using calcium silicate modified with Fe(III) 
      Barrera, Kamila; Briso, Alejandro; Ide, Viviana; Martorana, Leonardo; Montes Atenas, Gonzalo; Basualto Flores, Carlos; Borrmann, Thomas; Valenzuela Lozano, Fernando (Elsevier, 2017)
      Two compounds based on calcium silicate hydrate and modified with Fe(III), using FeCl3 and Fe(OH)(3) as iron sources, were synthesized, characterized and evaluated as adsorbents for removing ionic species from an arsenic ...
    • Trends and threshold exceedances analysis of airborne pollen concentrations in Metropolitan Santiago Chile 
      Toro Araya, Richard; Córdova J., Alicia; Canales, Mauricio; Morales Segura, Raúl; Mardones P., Pedro; Leiva Guzmán, Manuel (Public Library of Science, 2015)
      Pollen is one of the primary causes of allergic rhinoconjunctivitis in urban centers. In the present study, the concentrations of 39 different pollens in the Santiago de Chile metropolitan area over the period 2009–2013 ...
    • Trends in consumption of psychiatric drugs among patients attended in primary healthcare in Brazil: An ... 
      De Oliveira, Julia Raso Ferreira; Lima Ferreira, Iahel Manonde; Jirón Aliste, Marcela; Siani-Morello, Manuela Roque; Varallo, Fabiana Rossi; Pereira, Leonardo RegisLeira (Wiley, 2020)
    • Trends in Prevalence and Determinants of Potentially Inappropriate Prescribing in the United States: 2007 to 2012 
      Jirón Aliste, Marcela; Pate, Virginia; Hanson, Laura C.; Lund, Jennifer L.; Jonsson Funk, Michele; Stuermer, Til (Wiley-Blackwell, 2016)
      ObjectivesTo estimate the prevalence and determinants of the use of potentially inappropriate medications (PIMs) in older U.S. adults using the 2012 Beers criteria. DesignRetrospective cohort study in a random national ...
    • Trends in stratospheric and free tropospheric ozone 
      Harris, N. R. P.; Ancellet, G.; Bishop, L.; Hofmann, D. J.; Kerr, B.; McPeters, R. D.; Préndez Bolívar, María Margarita; Randel, W. J.; Staehelin, J.; Subbaraya, B. H.; Volz-Thomas, A.; Zawodny, J.; Zerefos, C. S. (AMER GEOPHYSICAL UNION, 1997-01-20)
      Current understanding of the long-term ozone trends is described. Of particular concern is an assessment of the quality of the available measurements, both ground and satellite based. Trends in total ozone have been ...
    • TRIAMMINE COBALT(III)-L-MALATE - MALATE ION AS A TRIDENTATE LIGAND 
      Bunel Torrealba, Sergio; Ibarra, Carmen; Calvo Pérez, Víctor; Blasko, Andrei; Bunton, Clifford A.; Keder, N. L. (PERGAMON-ELSEVIER SCIENCE LTD, 1991)
      The crystal structure of the title compound has been determined from single crystal X-ray diffraction data. There is little angle strain in the complex which has two carboxylate ions and one alkoxide ion bound to cobalt(III). ...
    • TrkB receptors are required for follicular growth and oocyte survival in the mammalian ovary 
      Romero Osses, Carmen; Dissen, G. A.; DeChiara, T. M.; Reichardt, L.; Cornea, A.; Ojeda, Sergio R.; Paredes Vargas, Alfonso; Xu, B. J. (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2004-03-15)
      Although it is well established that both follicular assembly and the initiation of follicle growth in the mammalian ovary occur independently of pituitary hormone support, the factors controlling these processes remain ...
    • TrkB receptors are required for follicular growth and oocyte survival in the mammalian ovary (vol 267, pg ... 
      Paredes Vargas, Alfonso; Romero Osses, Carmen; Dissen, G. A.; DeChiara, T. M.; Reichardt, L.; Cornea, A.; Ojeda, Sergio R.; Xu, B. J. (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2004-06-01)
      Although it is well established that both follicular assembly and the initiation of follicle growth in the mammalian ovary occur independently of pituitary hormone support, the factors controlling these processes remain ...
    • Trophic factors in cerebrospinal fluid and spinal cord of patients with tropical spastic paraparesis, HIV, ... 
      Albrecht, David; García Nannig, Lorena; Cartier Rovirosa, Luis; Kettlun, Ana M.; Vergara, Carmen; Collados, Lucia; Valenzuela, M. Antonieta (2006)
      HTLV-1-associated myelopathy/tropical spastic paraparesis (TSP/HAM) is a chronic CNS disease characterized by axomyelinic degeneration of the long axons of corticospinal tracts. Levels of NGF, NT-3, NT-4/5, BDNF, GDNF, ...
    • Trypanosoma cruzi calreticulin: A possible role in Chagas' disease autoimmunity 
      Hager Ribeiro, Carolina; López Bartolucci, Carolina; Ramírez Toloza, Galia; Valck Calderón, Carolina Eliana; Molina, María Carmen; Aguilar, Lorena; Rodríguez, Margarita; Maldonado, Ismael; Martínez, Ramón; González, Carlos; Troncoso Cotal, Rodrigo; Lavandero González, Sergio; Gingras, Alexandre R.; Schwaeble, Wilhelm; Ferreira, Arturo (PERGAMON-ELSEVIER SCIENCE LTD, 2009-03)
      Trypanosoma cruzi (T cruzi) is the causative agent of Chagas' disease, an endemic and chronic illness that affects 18 million people in Latin America. The mechanisms underlying its pathogenesis are controversial. There is ...
    • Trypanosoma cruzi: effect and mode of action of nitroimidazole and nitrofuran derivatives 
      Maya Arango, Juan; Bollo Dragnic, Soledad; Núñez Vergara, Luis; Squella Serrano, Juan; Repetto Scaramelli, Yolanda; Morello Casté, Antonio; Perie, J.; Chauviere, G. (PERGAMON-ELSEVIER SCIENCE, 2003-03-15)
      With the aim of determining the actual target(s) of nitro-group bearing compounds considered as possible leads for the development of drugs against Chagas' disease, we studied in parallel nitrofurans and nitroimidazoles. ...
    • Trypanosoma cruzi: Inhibition of parasite growth and respiration by oxazolo(thiazolo)pyridine derivatives ... 
      Maya Arango, Juan; Morello Casté, Antonio; Repetto Scaramelli, Yolanda; Rodríguez, Andrés; Puebla, P.; Caballero S., Esther; Medarde, M.; Núñez Vergara, Luis; Squella Serrano, Juan; Ortíz Yáñez, María Eugenia; Fuentealba, J.; San Feliciano, Arturo (ACADEMIC PRESS INC, 2001-09)
      Chagas' disease constitutes a therapeutic challenge because presently available drugs have wide toxicity to the host and are generally ineffective in the chronic stages of the disease. A series of oxazolo(thiazolo)pyridene ...