Now showing items 2519-2538 of 2801

    • Hernández, Wilfredo; Carrasco, Fernando; Vaisberg, Abraham; Spodine Spiridonova, Evgenia; Manzur, Jorge; Icker, Maik; Krautscheid, Harald; Beyer, Lothar (Hindawi, 2020)
      Eight new thiosemicarbazone derivatives, 6-(1-trifluoroethoxy)pyridine-3-carbaldehyde thiosemicarbazone (1), 6-(4 '-fluorophenyl)pyridine-3-carbaldehyde thiosemicarbazone (2), 5-chloro-pyridine-3-carbaldehyde thiosemicarbazone ...
    • Bellú, Sebastián; Hure, Estela; Trapé, Marcela; Trossero, Claudia; Molina, Gabriel; Drogo, Claudia; Williams, Patricia; Atria Salas, Ana María; Muñoz, Juan Carlos; Zacchino, Susana; Sortino, Maximiliano; Campagnoli, Darío; Rizzotto, Marcela (PERGAMON-ELSEVIER SCIENCE LTD, 2005-03-10)
      he reaction between sulfathiazole and cobalt(II) leads to a pink solid, [Co-II(ST)(2)(H2O)(4)] (1), which, after 7-10 days in the mother solution, transforms into red crystals of [Co-II(ST)(2)(H2O)(3)](n) (2) (ST = ...
    • Moya, S. A.; Vidal, M.; Abarca, G.; Martinez, C.; Guerchais, V.; Le Bozec, H.; Garland, María Teresa; Rodriguez, S.; Aguirre, P. (2010)
      The synthesis and characterization of new ruthenium(II) carbonyl complexes containing polypyridine and triphenylphosphine ligands is reported. Crystallographic information obtained for the trans-PPh3-[Ru(biq) (PPh3)2(CO)]Cl2 ...
    • García, Camilo; Villagra, Diego; Caruso, Francesco; Rossi, Miriam; Matsuhiro, Betty; Mendoza, Leonora; Aguirre, María J.; Isaacs, Mauricio (2009)
      The complex [FeII(Imz-phen)3](PF6)2, (Imz-phen = imidazolidine-[4,5-f]-1,10-phenanthroline) has been prepared and characterized using X-ray diffraction, UV–vis and IR spectroscopy, elemental analysis, fast atomic bombardment ...
    • Pessoa Mahana, Hernán; Araya Maturana, Ramiro; Saitz Barría, Claudio; Pessoa, D. (Bentham Science Publishers, Ltd, 2003)
      The present review discusses the synthetic strategies of new ligands exhibiting mainly 5-HT1A binding affinities. Specifically we focused our attention in the synthesis of compounds structurally telated to arylpiperazine, ...
    • Pastene, Edgar; Gómez, Maritza; Speisky Cosoy, Hernán; Núñez Vergara, Luis (SOC BRASILEIRA QUIMICA, 2009)
      An apparatus which allows the direct measurement of the antioxidant capacity of volatiles compounds emitted from some herbs and culinary spices is described. The device comprises: a sample chamber, a mixing chamber, a pump ...
    • Núñez Vergara, Luis; Álvarez Lueje, Alejandro; Sturm,; Sunkel,; Squella Serrano, Juan (Marcel Dekker Inc., 1998)
      A systematic study of a new series of 4-methyl-1,4-dihydropyridine derivatives by HPLC by both photodiode array and electrochemical detectors is reported. The optimum mobile phase was acetonitrile/0.05 M phosphate buffer ...
    • Pedreschi, Franco; Saavedra Gatica, Ilse Elizabeth; Bunger Timmermann, Andrea; Zuiliga, Rommy N.; Pedreschi, Romina; Chirinos, Rosana; Campos, David; Mariotti-Celis, María Salome (Elsevier, 2018-09)
      "Hallulla" is a highly consumed type of Chilean bread, which may contain considerable amounts of some Neo-Formed Contaminants (NFCs). The objective of this research was to study the effect of tara (Caesalpinia spinosa) pod ...
    • Vidal, René L.; Matus, Soledad; Bargsted, Leslie; Hetz Flores, Claudio (Elsevier Ltd, 2014)
      © 2014 Elsevier B.V. All rights reserved. The most prevalent neurodegenerative disorders involve protein misfolding and the aggregation of specific proteins. Autophagy is becoming an attractive target to treat neurodegenerative ...
    • Herrera Zelada, Nicolás Gabriel; Zúñiga Cuevas, Úrsula Almendra; Ramírez Reyes, Andrés Ignacio; Lavandero González, Sergio; Riquelme Meléndez, Jaime (Frontiers Media, 2021)
      Despite considerable improvements in the treatment of myocardial infarction, it is still a highly prevalent disease worldwide. Novel therapeutic strategies to limit infarct size are required to protect myocardial function ...
    • Quintremil, Sebastián; Alberti, Carolina; Rivera, Matías; Medina, Fernando; Puente, Javier; Cartier Rovirosa, Luis; Ramírez, Eugenio; Tanaka, Yuetsu; Valenzuela, M. Antonieta (Mary Ann Liebert, 2016)
      Energy management systems (EMSs) are used for operators to optimize, monitor, and control the performance of a power system. In microgrids, the EMS automatically coordinates the energy sources aiming to supply the demand. ...
    • Medina, Fernando; Quintremil, Sebastian; Alberti, Carolina; Barriga, Andres; Cartier Rovirosa, Luis; Puente, Javier; Ramírez, Eugenio; Ferreira, Arturo; Tanaka, Yuetsu; Valenzuela, Maria Antonieta (Mary Ann Liebert Inc., 2014)
      The human retrovirus human T cell lymphotropic virus type-I (HTLV-1) is the etiologic agent of HTLV-1-Associated myelopathy/tropical spastic paraparesis (HAM/TSP). Axonal degeneration in HAM/TSP patients occurs without ...
    • Medina, Fernando; Quintremil, Sebastián; Alberti, Carolina; Godoy, Fabián; Pando, María E.; Bustamante, Andrés; Barriga, Andrés; Cartier Rovirosa, Luis; Puente Piccardo, Javier; Tanaka, Yuetsu; Valenzuela, Mar ía A.; Ramírez, Eugenio (Wiley-Blackwell, 2016)
      Human T-lymphotropic virus-type 1 (HTLV-1) is the etiologic agent of the neurologic disease HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). Tax viral protein plays a critical role in viral pathogenesis. ...
    • Valenzuela,; Basualto,; Sapag,; Tapia, (Elsevier Ltd, 1997)
      A membrane transport process is described. The process was developed for use in the recovery of copper from nitric acid leach residual solutions. The flux and the extraction extent of copper with 5-dodecylsalicylaldoxime ...
    • Vivanco Gatica, Daniela Andrea; Ardiles, Paula; Castillo Benites, Darwin Rafael; Puente Diaz, Luis Andres (Soc Chilena Nutricion, 2021)
      Los métodos de conservación de alimentos no-térmicos han generado un considerable interés en la industria alimentaria como potencial alternativo a los métodos tradicionales de procesamiento. Uno de los métodos no-térmicos ...
    • Encina, M. V.; Lissi Gervaso, Eduardo A.; Lemp Miranda, Else; Zanocco Loyola, Antonio; Scaiano, J. C. (1983)
      The photochemistry of several phenyl alkyl and p-anisyl alkyl ketones has been examined using laser flash photolysis and conventional quantum yield techniques. The methoxy-substituted ketones show higher activation energies ...
    • Palomino Mackenney, Jaime; Reyes Solovera, Mónica de los (Elsevier Inc., 2016)
      © 2016 Elsevier Inc. This study aimed to investigate the expression profiles of growth differentiation factor 9 (GDF-9) and bone morphogenetic protein 15 (BMP-15) mRNA in canine oocytes and follicular cells throughout ...
    • Mayerhofer, Artur; Danilchik, Michael; Pau, K. Y.Francis; Lara Peñaloza, Hernán; Russell, Lonnie D.; Ojeda, Sergio R. (Society for the Study of Reproduction, 1996)
      The mammalian testis is innervated by extrinsic catecholaminergic nerves and responds to catecholamines with steroid secretion. Although the primate testis has also been shown to be innervated, potential differences in the ...
    • Altamirano, Francisco; Oyarce, César; Silva, Patricio; Toyos, Marcela; Wilson, Carlos; Lavandero González, Sergio; Uhlen, L.; Estrada, M. (BIOSCIENTIFICA LTD, 2009-08)
      Elevated testosterone concentrations induce cardiac hypertrophy but the molecular mechanisms are poorly understood. Anabolic properties of testosterone involve in increase in protein synthesis. The mammalian target of ...
    • Atria Salas, Ana María; Garland, María Teresa; Baggio, Ricardo (BLACKWELL PUBLISHING, 2006-12)
      The title compound, [Y-2(C4H5O2)(6)(H2O)(4)](2)(.)4.6H(2)O, has two independent dimeric units, displaying different bridging patterns between metal ions which lead to dissimilar (YY)-Y-... distances. The compound is ...