Now showing items 61-80 of 8183

    • Fernández, Eduardo J.; López de Luzuriaga, José M.; Monge, Miguel; Montiel, Manuel; Olmos, M. Elena; Illanes Pérez, Javier Eduardo; Laguna, Antonio; Mendizábal Emaldía, Fernando; Mohamed, Ahmed A.; Fackler, John P. (2004)
      The linear-chain polymer {TI[Au(C6Cl5) 2]}n, 1, reacts in the solid state and in solution with different volatile organic compounds such as tetrahydrofuran, acetone, tetrahydrothiophene, 2-fluoropyridine, acetonitrile, ...
    • Domingo, L. R.; Pérez, Patricia; Contreras Ramos, Renato (2005)
      The regioselective [2+2] cycloaddition of a substituted benzyne possessing a fused four-membered ring to a ketene acetal has been theoretically studied. This cycloaddition presents a two-step mechanism that is initiated ...
    • Soto Delgado, Jorge; Aizman, Arie; Contreras Ramos, Renato; Domingo, Luis R. (Bentham Science Publishers, 2010-11-02)
      Three different intramolecular Diels-Alder (IMDA) reactions associated with the formation of fused and bridged tricyclodecane skeletons have been studied at the B3LYP/6-31G(d) computational level. While substitution on ...
    • Gómez Jeria, Juan (Sociedad Chilena de Quimica, 2010)
      We present here the results of a Density Functional Theory study of the relationships between electronic structure and peripheral benzodiazepine receptor affinity for a group of N,N-dialkyl-2-phenylindol-3-ylglyoxylamide ...
    • Gómez Jeria, Juan (SOC CHILENA QUIMICA, 2010-07-12)
      We present here the results of a Density Functional Theory study of the relationships between electronic structure and peripheral benzodiazepine receptor affinity for a group of N,N-dialkyl-2-phenylindol-3-ylglyoxylamide ...
    • Barra,; Chiong Lay, Mario; Gonzalez, R.; Vasquez, (1988)
      A type II modification methylase (M BstVI) was partially purified from the thermophilic bacterium Bacillus stearothermophilus V. The methylase catalyses the transfer of methyl groups from S-adenosyl-L-methionine to unmodified ...
    • Fernández, Alison; Berger, Alendre (Elsevier, 2018)
      Context: Accurately relating code authorship to commit frequency over multiple software revisions is a complex task. Most of the navigation tools found in common source code versioning clients are often too rigid to formulate ...
    • Llanos, J.; Brito, I.; Espinoza, D.; Sekar, Ramkumar; Manidurai, P. (Royal Society of Chemistry, 2018)
      Y1.86Eu0.14WO6 phosphors were prepared using a solidstate reaction method. Their optical properties were analysed, and they was mixed with TiO2, sintered, and used as a photoelectrode (PE) in dye-sensitized solar cells ...
    • Núñez Vergara, Luis; Donoso, G.; Roman, A.; Squella Serrano, Juan (1988)
      The apparent permeation rate constants and amount of ranitidine transferred in 1 h were measured through everted rat intestine using a perfusion apparatus. The effects of pH and 5% or 10% ethanol on the apparent permeation ...
    • Díaz Valenzuela, Carlos; Valenzuela, María Luisa; Barbosa, Miguel (2004)
      Incorporation of the organometallic fragments MLn = CpFe(dppe)I and CpRu(PPh3)2Cl to the random copolymers [{NP(O 2C12H8)}0.8{NP(OC6H 4CH2CN)2}0.15{NP(OC 6H4CH2CN)(OC6H5)} 0.05]n (1) [{NP(O2C12H 8)}0.55{NP(OC6H4CH ...
    • Venegas Yazigi, Diego; Campos Vallette, Marcelo; Lever, A. B.P.; Costamagna, J.; Latorre, Ramón; Hernández G., W. (2003)
      It has been shown that innocent ligands always contribute with a similar electron density to a metal centre in a complex regardless of which other innocent ligands are bonded to the same centre, while non-innocent ligands ...
    • Wilson, Carlos; Muñoz Palma, Ernesto; Henríquez, Daniel R.; Palmisano, Ilaria; Núñez González, Marco; Di Giovanni, Simone; González Billault, Christian (Soc Neuroscience, 2016)
      Physiological levels of ROS support neurite outgrowth and axonal specification, but the mechanisms by which ROS are able to shape neurons remain unknown. Ca2+, a broad intracellular second messenger, promotes both Rac1 ...
    • Fletcher, Michael Shawn; Wood, Sam W.; Haberle, Simon G. (Ecological Society of America, 2014)
      © 2014 by the Ecological Society of America. We test the validity of applying the alternative stable state paradigm to account for the landscape-scale forest/non-forest mosaic that prevails in temperate Tasmania, Australia. ...
    • López, Rodrigo A.; Lazar, Marian; Shaaban, Shaaban Mohammed; Poedts, Stefaan; Moya Fuentes, Pablo S. (IOP Publishing, 2020)
      Depending on the physical conditions involved, beam plasma systems may reveal new unstable regimes triggered by wave instabilities of different natures. We show through linear theory and numerical simulations the existence ...
    • Azat, Claudio; Valenzuela Sánchez, Andrés; Delgado, Soledad; Cunningham, Andrew A.; Alvarado Rybak, Mario; Bourke, Johara; Briones, Raúl; Cabeza, Osvaldo; Castro Carrasco, Camila; Charrier, Andrés; Correa, Cludio; Crump, Martha L.; Cuevas, César C.; Maza, Mariano de la; Díaz Vidal, Sandra; Flores, Edgardo; Harding, Gemma; Lavilla, Esteban O.; Méndez Torres, Marco Antonio; Oberwemmer, Frank; Ortiz, Juan Carlos; Pastore, Hernán; Peñafiel Ricaurte, Alexandra; Rojas Salinas, Leonora; Serrano, José Manuel; Sepúlveda, Maximiliano A.; Toledo, Verónica; Úbeda, Carmen; Uribe Rivera, David E.; Valdivia, Catalina; Wren, Sally; Angulo, Ariadne (Cambridge Univ Press, 2021)
      Darwin's frogs Rhinoderma darwinii and Rhinoderma rufum are the only known species of amphibians in which males brood their offspring in their vocal sacs. We propose these frogs as flagship species for the conservation of ...
    • Bono Merino, María Rosa; Reyes, Lilian I.; Rosemblatt Silber, Mario César (1999)
      We present a simple non-radioactive cytometry-based assay that permits the simultaneous quantitation of cell adhesion of distinct subsets of cells contained in a mixture without any previous fractionation. The procedure ...
    • Villacis Custodio, Leonardo Andre (Universidad de Chile., 2021)
      A global climate component we faintly understand is the Southern Westerly Winds (SWW). Long-term SWW trends play a major role in determining Southern South American precipitation and fire regimes, deep-sea CO2 ventilation, ...
    • Martínez Tilleria, Karina; Núñez Ávila, Mariela; León, Carolina A.; Pliscoff, Patricio; Squeo, Francisco A.; Armesto, Juan J. (Springer, 2017)
      Countries that are signatories of the Convention of Biological Diversity are committed to the goal of protecting 17% of their natural ecosystems by 2020. The lack of an up-to-date, operational classification and cartography ...
    • Cruz, Cristina; Glavic Maurer, Álvaro; Casado, Mar; Celis, Jose F. de (GENETICS SOC AM, 2009-09-03)
      The Drosophila melanogaster wing is a model system for analyzing the genetic control of organ size, shape, and pattern formation. The formation of the wing involves a variety of processes, such as cell growth, proliferation, ...
    • Lange, Herbert; Rojas, Anita M. (2008)
      Let G be a finite group, Λ an absolutely irreducible ℤ[G]-module and w a weight of Λ. To any Galois covering with group G we associate two correspondences, the Schur and the Kanev correspondence. We work out their relation ...