Browsing by Title Artículos de revistas

Now showing items 2652-2671 of 2801

    • 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 ...
    • (TTA)n Polymorphism in 3-Hydroxy-3-Methylglutaryl-Coenzyme A and Response to Atorvastatin in Coronary Artery ... 
      Noriega Sepúlveda, Viviana Carolina; Pennanen Saavedra, Christian; Sánchez, P.; Chiong Lay, Mario; Llancaqueo Valeri, Marcelo; Lavandero González, Sergio; Prieto Domínguez, Juan (WILEY-BLACKWELL PUBLISHING, 2009-03)
      3-Hydroxy-3-methylglutaryl-coenzyme A reductase inhibitors have been used clinically for lowering total and low-density lipoprotein cholesterol. Interindividual pharmacological differences observed with this treatment have ...
    • Tubulin equilibrium unfolding followed by time-resolved fluorescence and fluorescence correlation spectroscopy 
      Sánchez, Susana A.; Brunet, Juan E.; Jameson, David M.; Lagos Mónaco, Rosalba; Monasterio Opazo, Octavio (2004)
      The pathway for the in vitro equilibrium unfolding of the tubulin heterodimer by guanidinium chloride (GdmCl) has been studied using several spectroscopic techniques, specifically circular dichroism (CD), two-photon ...
    • Tubulinfolding cofactor TBCB is a target of the salmonella effector protein SseK1 
      Araujo Garrido, Juan Luis; Baisón Olmo, Fernando; Bernal Bayard, Joaquín; Romero, Francisco; Ramos Morales, Francisco (MDPI, 2020)
      Salmonella enterica serovar Typhimurium is a human and animal pathogen that uses type III secretion system effectors to manipulate the host cell and fulfill infection. SseK1 is a Salmonella effector with glycosyltransferase ...
    • Tumor necrosis factor-alpha activates nuclear factor-kappa B but does not regulate progesterone production ... 
      González Navarrete, Flor Cecilia; Eisner, Verónica; Morales, Priscilla; Castro, Olga; Pommer Téllez, Ricardo; Quiroga Lagos, Clara; Lavandero González, Sergio; Devoto, Luigi (PARTHENON PUBLISHING GROUP, 2007-07)
      Background. The role of tumor necrosis factor-alpha (TNF-alpha) in granulosa luteal cell function and steroidogenesis is still controversial. Our aim was to examine the steroiclogenic response, together with the simultaneous ...
    • Tuning flux: autophagy as a target of heart disease therapy 
      Xie, Min; Morales, Cindy R.; Lavandero González, Sergio; Hill, Joseph A. (LIPPINCOTT WILLIAMS & WILKINS, 2011-05)
      Whereas we have known for some years of the participation of lysosomal mechanisms in heart disease, it is only recently that upstream mechanisms (autophagy) are being explored. The challenge for the future is to dissect ...
    • Tuning the photophysical properties of a (P,N)Re-I complex by adding a -NH- fragment into a P,N-bidentate ... 
      Mella, Pablo; Carlos Palma, Juan; Cepeda Plaza, Marjorie; Aguirre Álvarez, Pedro; Manzur Saffie, Jorge; Günther Sapunar, Germán; Pizarro, Nancy; Vega, Andrés (Elsevier, 2016)
      The spectroscopic, electrochemical and photophysical properties of the new complex [P,N-{(C6H5)(2)(C5H4N)NHP)Re(CO)(3)Br] (RePNN) are reported. The UV-Vis spectrum in dichloromethane (DCM)' shows an absorption maximum ...