Browsing by Title Artículos de revistas

Now showing items 2532-2551 of 2801

    • Technical note membrane transport of copper with lix-860 from acid leach waste solutions 
      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 ...
    • Tecnología emergente: Campo de pulsos eléctricos (PEF) para el tratamiento de alimentos y su efecto en el ... 
      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 ...
    • Temperature Dependence of the Photochemistry of Aryl Alkyl Ketones 
      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 ...
    • Temporal expression of GDF-9 and BMP-15 mRNAs in canine ovarian follicles 
      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 ...
    • Testis of prepubertal rhesus monkeys receives a dual catecholaminergic input provided by the extrinsic ... 
      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 ...
    • Testosterone induces cardiomyocyte hypertrophy through mammalian target of rapamycin complex 1 pathway 
      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 ...
    • Tetra-mu-but-2-enoato-bis[diaqua(but-2-enoato)yttrium] di-mu-but-2-enoato-bis-[diaquabis(but-2-enoato)ytt ... 
      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 ...
    • The action for declaratory judgment and its recognition under the chilean civil procedure system La tutela ... 
      Hurtado, Renée Marlene Rivero (Universidad de Talca, 2019)
      This article delves into the origin and essentials features of what has been denominated declaratory judgement or action for declaratory judgment as a critical function of the judicial authority held by the court in order ...
    • The aging of ER-mitochondria communication: a journey from undifferentiated to aged cells 
      Morgado Cáceres, Pablo Andrés; Liabeuf Altamirano, Gianella Alejandra; Calle Chalco, Ximena Elena; Briones Suárez, Lautaro Rigoberto Nabi; Riquelme Meléndez, Jaime Andrés; Bravo Sagua, Roberto Francisco; Parra Ortiz, Valentina María (Frontiers Media, 2022)
      The complex physiology of eukaryotic cells requires that a variety of subcellular organelles perform unique tasks, even though they form highly dynamic communication networks. In the case of the endoplasmic reticulum (ER) ...
    • The cellular mechanisms of body iron homeostasis 
      Nũnez, Marco T.; Garate, Marco A.; Arredondo, Miguel; Tapia, Victoria; Muñoz, Patricia (Society of Biology of Chile, 2000)
      Cells tightly regulate iron levels through the activity of iron regulatory proteins (IRPs) that bind to RNA motifs called iron responsive elements (IREs). When cells become iron-depleted. IRPs bind to IREs present in the ...
    • The chemical compositions of essential oils derived from cryptocarya alba and laurelia sempervirens possess ... 
      Touma, Jorge; Navarro, Myriam; Sepúlveda, Betsabet; Pavón, Alequis; Corsini, Gino; Fernández, Katia; Quezada, Claudia; Torres, Angelo; Larrazabal Fuentes, María José; Paredes, Adrián; Neira, Iván; Ferrando, Matías; Bruna, Flavia; Venegas, Alejandro; Bravo, Jessica (MDPI, 2020)
      Cryptocarya alba (Peumo; CA) and Laurelia sempervirens (Laurel; LS) are herbs native to the Chilean highlands and have historically been used for medicinal purposes by the Huilliches people. In this work, the essential ...
    • The complex interplay between mitochondrial dynamics and cardiac metabolism 
      Parra Ortíz, María Valentina; Verdejo, Hugo; Campo Sfeir, Andrea Estefanía del; Pennanen Saavedra, Christian; Kuzmicic, Jovan; Iglewski, Myriam; Hill, Joseph A.; Rothermel, B. A.; Lavandero González, Sergio (SPRINGER/PLENUM PUBLISHERS, 2011-02)
      Mitochondria are highly dynamic organelles, capable of undergoing constant fission and fusion events, forming networks. These dynamic events allow the transmission of chemical and physical messengers and the exchange of ...
    • The crystal and molecular structures of two bromo bis(N,N-dipropylthiocarbamoyl) sulfidocopper(I) complexes 
      Victoriano, Luis; Vega, Andrés; Garland, María Teresa (Kluwer Academic/Plenum Publishers, 1999)
      The reaction of copper(I) bromide, CuBr, with the tetraalkylthiurammonosulfides R4tms (R = iPr, nPr) affords the copper(I) complexes iPr4tmsCuBr (I) (C14H28BrCuN2S2, orthorhombic, Pna21, Z = 4, a = 12.487(2), b = 12.699(2), ...
    • The crystal structure of 4-(pyren-1-yl)butyl-3-nitrobenzoate, C27H21NO4 
      Barrientos, Claudio; Barahona, Patricia; Guevara, Juan Luis; Squella Serrano, Juan; Moris, Silvana (Walter de Gruyter GMBH, 2019)
      C27H21NO4, triclinic, P (1) over bar (no. 2), a = 8.1182(5) angstrom, b = 9.0097(5) angstrom, c = 14.8013(10) angstrom, alpha = 72.603(2)degrees, beta = 82.642(2)degrees, gamma = 79.351(3)degrees, V = 1012.23(11) angstrom(3), ...
    • The crystal structure of the hydrogen bonded molecular adduct thiobisphthalimide diphenylamine 
      Manriquez, V.; Diaz, C.; Copaja, S.; Gonzalez, G. (1991)
      The structure of the complex (PHL)2S. HN(C6H5)2 has been determined by single-crystal X-ray diffraction methods. The compound crystallizes in the triclinic system, space group P 1, with unit cell dimensions a = 896. 1, b ...
    • The developmental regulator Pcz1 affects the production of secondary metabolites in the filamentous fungus ... 
      Rojas Aedo, Juan F.; Gil Durán, Carlos; Goity, Alejandra; Vaca Cerezo, Inmaculada; Levican, Gloria; Larrondo, Luis; Chavez, Renato (Elsevier, 2018)
      Penicillium roqueforti is used in the production of several kinds of ripened blue-veined cheeses. In addition, this fungus produces interesting secondary metabolites such as roquefortine C, andrastin A and mycophenolic ...
    • The effect of 5-substitution on the electrochemical behavior and antitubercular activity of PA-824 
      Bollo Dragnic, Soledad; Núñez Vergara, Luis; Kang, Sunhee; Zhang, Liang; Boshoff, Helena I.; Barry, Clifton; Squella Serrano, Juan; Dowd, Cynthia S. (PERGAMON-ELSEVIER SCIENCE LTD, 2011-01-15)
      Nitroimidazole PA-824 is part of an exciting new class of compounds currently undergoing clinical evaluation as novel TB therapeutics. The recently elucidated mechanism of action of PA-824 involves reduction of the ...
    • The effect of bivalent metal ions on ATPase-ADPase activities of apyrase from Solanum tuberosum 
      Valenzuela, María Antonieta; Kettlun, Ana; Mancilla, Marta; Calvo, Victor; Fanta, Nora; Traverso Cori, A. (1988)
      The purpose of this study was the elucidation of the possible importance of bivalent metal ions in controlling the activity of apyrase (ATP: diphosphohydrolase EC 3.6.1.5) purified from tubers of Solanum tuberosum cv ...
    • The effect of boron content on the microstructure and mechanical properties of Fe 50-X Mn 30 Co 10 Cr 10 B ... 
      Aguilar-Hurtado, Jose Y.; Vargas-Uscategui, Alejandro; Zambrano-Mera, Dario; Palma-Hillerns, Rodrigo (Elsevier Ltd, 2019)
      High and Medium- Entropy Alloys (HEAs and MEAs) are a novel type of materials, which due to the reduction in configurational entropy, can offer an excellent combination of properties, such as, high strength, high ductility ...
    • The effect of chitosan as internal or external coating on the 5-ASA release from calcium alginate microparticles 
      Tapia, Cristián; Molina, Sergio; Diaz, Alvaro; Abugoch James, Lilian; Díaz Dosque, Mario; Valenzuela, Fernando; Yazdani-Pedram Zobeiri, Mehrdad (2010)
      The effect of chitosan as internal or external coating on the mesalamine (5-ASA) release from calcium alginate microparticles (CaAl) was studied, and a delayed release of 5-ASA system intended for colonic drug delivery was ...