Now showing items 2515-2534 of 2801

    • Pessoa Mahana, Hernán; Recabarren Gajardo, Gonzalo Iván; Temer, Jenny Fiedler; Zapata Torres, Gerald; Pessoa Mahana, Carlos David; Barría, Claudio Saitz; Araya Maturana, Ramiro (2012)
      A series of novel benzo[b]thiophen-2-yl-3-(4-arylpiperazin-1-yl)-propan-1- one derivatives 6a-f, 7a-f and their corresponding alcohols 8a-f were synthesized and evaluated for their affinity towards 5-HT 1A receptors. The ...
    • Pessoa Mahana, Hernán; Recabarren Gajardo, Gonzalo Iván; Fiedler Temer, Jenny; Zapata Torres, Gerald Amilcar; Pessoa Mahana, Carlos David; Saitz Barría, Claudio; Araya Maturana, Ramiro (2012)
      A series of novel benzobthiophen-2-yl-3-(4-arylpiperazin-1-yl)-propan-1-one derivatives 6a–f, 7a–f and their corresponding alcohols 8a–f were synthesized and evaluated for their affinity towards 5-HT1A receptors. The ...
    • Cerda Cavieres, Christopher David; Quiroz, Gabriel; Iturriaga-Vásquez, Patricio; Rodríguez Lavado, Julio; Alarcón Espósito, Jazmín; Saitz Barría, Claudio; Pessoa Mahana, Carlos D.; Chung, Hery; Araya Maturana, Ramiro; Mella Raipán, Jaime A.; Cabezas, David; Ojeda Gómez, Claudia; Reyes Parada, Miguel; Pessoa Mahana, Hernán (MDPI, 2020)
      A series of 27 compounds of general structure 2,3-dihydro-benzo[1,4]oxazin-4-yl)-2-{4-[3-(1H-3indolyl)-propyl]-1-piperazinyl}-ethanamides, Series I: 7(a-o) and (2-{4-[3-(1H-3-indolyl)-propyl]-1-piperazinyl}-acetylamine)- ...
    • Sandoval, Catalina; Arriagada, Franco; Fuente, Julio de la; Sánchez, Susana; Morales, Javier; Pizarro, Nancy; Nonell, Santi; Günther Sapunar, Germán (Sociedade Brasileira de Quimica, 2016)
      Glycolipids are biomolecules composed of a lipid chain (lipophilic) and a monosaccharide or oligosaccharide as hydrophilic group. Their chemical structure and biological role make them undoubtedly good candidates for a ...
    • 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 ...