Now showing items 361-380 of 2801

    • Pérez-Zúñiga, C.; Negrete-Vergara, C.; Yáñez, Mauricio; Aguirre, Pedro; Zúñiga, César A.; Cantero-López, Plinio; Arratia-Pérez, Ramiro; Moya, Sergio A. (Royal Society of Chemistry, 2019)
      The synthesis and characterization of a new ruthenium(ii) complex containing a hemilabile P^N-ligand are reported. The catalytic activity of this complex was evaluated in the hydrogen transfer reaction of acetophenone and ...
    • Miranda Rojas, Sebastián; Sierra Rosales, Paulina; Muñoz Castro, Alvaro; Arratia Pérez, Ramiro; Zagal Moya, José H.; Mendizábal Emaldía, Fernando (Royal Soc Chemistry, 2016)
      The need of deeper insights regarding the inner working of catalysts represents a current challenge in the search of new ways to tune their activities towards new chemical transformations. Within this field, metallophtha ...
    • Zúñiga, C.; Moya, S. A.; Fuentealba, M.; Aranda, B.; Aguirre, P. (2011)
      2-Ferrocenyl-1,8-naphthyridine (1) and cis,cis,cis-dicarbonyl-dichloro-bis (2-ferrocenyl-1,8-naphthyridine) ruthenium(II) complex (2) have been synthesized and characterized by IR, 1H-NMR spectroscopy and elemental analysis. ...
    • Greiner, Monika; Paredes Vargas, Alfonso; Rey Ares, Verónica; Saller, Sabine; Mayerhofer, Artur; Lara Peñaloza, Hernán (ENDOCRINE SOC, 2008-10)
      Catecholamines present in the mammalian ovary are involved in many normal aspects of ovarian functions, including initial follicle growth, steroidogenesis, and pathological states such as polycystic ovary syndrome. Sympathetic ...
    • Atria Salas, Ana María; Garland, María Teresa; Baggio, Ricardo (Sociedad Chilena de Quimica, 2013)
      The title cobalt complex (C10H38Co2O26) consists of [Co(H2O)4(C10H2O8)]2-n anionic chains, balanced by [(Co(H2O)6]2+ cations and eight solvato water molecules, some of which are disordered. The chains are formed by Co(H2O)4 ...
    • Atria Salas, Ana María; Garland, María Teresa; Baggio, Ricardo (2013)
      The title cobalt complex (C10H38Co2O26) consists of [Co(H2O)4(C10H2O8)]2-n anionic chains, balanced by [(Co(H2O)6]2+ cations and eight solvato water molecules, some of which are disordered. The chains are formed by Co(H2O)4 ...
    • Silva Galaz, Cristian; Saldías, Marianela; Freire, Eleonora; Baggio, Ricardo; Le Fur, E.; Paredes García, Verónica; Spodine Spiridonova, Evgenia; Venegas Yazigi, Diego (2013)
      In the present paper a copper(II) phosphovanadate is presented and formulated as [Cu-6(phen)(6)((VO2)-O-v)(6) (PO4)(6)((VO2HO)-O-v)(3)] (1a). This compound was obtained by hydrothermal synthesis and crystallizes in the ...
    • Squella Serrano, Juan; Núñez Vergara, Luis (1984)
      The isolation and identification of a cathodic degradation product from cephradine after acidic hydrolysis in presence of 1 % formaldehyde is reported. Also, the electroacti vity of an anodic degradation product is described. ...
    • Sobarzo Sánchez, Eduardo; Olea Azar, Claudio; Alarcón, Jaime; Opazo, Lucía; Cassels Niven, Bruce (2003)
      The electrochemical behavior of two representative 2,3-dihydro-7H-dibenzo[de,h]quinolin-7-ones was determined using cyclic voltammetry in DMSO as solvent and rationalized by quantum chemical calculations using ab initio ...
    • Squella Serrano, Juan; Pezzani, M.; Cassels Niven, Bruce; Aillón Torres, Milton; Rezende, Marcos; Núñez Vergara, Luis (1992)
      The amphetamine derivative 4,5‐dimethoxy‐2‐nitrophenyl‐2‐aminopropane, a positional isomer of the potent hallucinogen DON, was studied by cyclic voltammetry and polarography. The nitro compound was reduced to the corresponding ...
    • Moreno, Cristian; Hermosilla, Tamara; Morales, Danna; Encina, Matías; Torres-Díaz, Leandro; Díaz, Pablo; Sarmiento, Daniela; Simon, Felipe; Varela, Diego (Springer Verlag, 2015)
      © 2015, Springer-Verlag Berlin Heidelberg.In the heart, the main pathway for calcium influx is mediated by L-type calcium channels, a multi-subunit complex composed of the pore-forming subunit CaV1.2 and the auxiliary ...
    • Russo, Pedro S. T.; Ferreira, Gustavo R.; Cardozo, Lucas E.; Buerger, Matheus C.; Arias Carrasco, Raúl; Maruyama, Sandra R.; Hirata, Thiago D. C.; Lima, Diogenes S.; Passos, Fernando M.; Fukutani, Kiyoshi F.; Lever, Melissa; Silva, Joao S.; Maracaja Coutinho, Vinicius; Nakaya, Helder I. (BIOMED Central, 2018)
      Background: The analysis of modular gene co-expression networks is a well-established method commonly used for discovering the systems-level functionality of genes. In addition, these studies provide a basis for the discovery ...
    • Heras, Violeta; Castellano, Juan Manuel; Fernandois, Daniela; Velasco, Inmaculada; Rodríguez Vázquez, Elvira; Roa, Juan; Vázquez, María Jesús; Ruiz Pino, Francisco; Rubio, Matías; Pineda, Rafael; Torres, Encarnación; Avendaño, María Soledad; Paredes Vargas, Alfonso; Pinilla, Leonor; Belsham, Denise; Dieguez, Carlos; Gaytan, Francisco; Casals, Nuria; López, Miguel; Tena Sempere, Manuel (Cell, 2020)
      Childhood obesity, especially in girls, is frequently bound to earlier puberty, which is linked to higher disease burden later in life. The mechanisms underlying this association remain elusive. Here we show that brain ...
    • Araya, Verónica; Jara, Pablo; Lara Peñaloza, Hernán (Sociedad Española de Endocrinología y Nutrición, 2004)
      El estrés, como un mecanismo general de respuesta simpática exagerada, involucra grandes cambios en la homeostasis del organismo. No existen dudas acerca de las alteraciones que provoca el estrés, tanto en el comportamiento ...
    • Valenzuela, M. A.; Collados, L.; Kettlun, A. M.; Mancilla, M.; Puente, J.; Aranda, E.; Chayet, L.; Alvarez, A.; Traverso Cori, A. (1992)
      1. 1. The purpose of this present research was to explore the possible roles of ATP-diphosphohydrolase (apyrase) in two tissues with high energetic demands during cell proliferation and differentiation. 2. 2. Changes in ...
    • Lavandero González, Sergio; Cartagena, Gastón; Guarda, Eduardo; Corbalán, Ramón; Godoy, Iván; Sapag Hagar, Mario; Jalil Milad, Jorge (Oxford University Press, 1993)
      Objective: The aim was to clarify the role of cyclic AMP dependent protein kinase (PKA) and changes in mechanical heart function during development of cardiac hypertrophy induced by volume overload. Methods: Protein and ...
    • Lavandero González, Sergio; Cartagena,; Guarda,; Corbalan,; Godoy,; Sapag Hagar, Mario; Jalil, (1993)
      Objective: The aim was to clarify the role of cyclic AMP dependent protein kinase (PKA) and changes in mechanical heart function during development of cardiac hypertrophy induced by volume overload. Methods: Protein and ...
    • Parra Ortíz, María Valentina; Eisner, Verónica; Chiong Lay, Mario; Criollo Céspedes, Alfredo; Moraga, Francisco; García, Alejandra; Haertel, Steffen; Jaimovich Pérez, Enrique; Zorzano, Antonio; Hidalgo Tapia, María Cecilia; Lavandero González, Sergio (ELSEVIER SCIENCE BV, 2008-01-15)
      Aims In cells, mitochondria are organized as a network of interconnected organelles that fluctuate between fission and fusion events (mitochondrial dynamics). This process is associated with cell death. We investigated ...
    • Rodríguez Melis, Alicia; Maier, Liliana; Paseiro-Losada, Perfecto; Aubourg, Santiago P. (Taylor & Francis, 2016)
      This work focuses on changes in sensory and physical properties of coho salmon (Oncorhynchus kisutch) during chilled storage (24 days). A marked change (p < 0.05) in the results of sensory analysis was found in the flesh ...