Browsing by Title Artículos de revistas

Now showing items 261-280 of 2801

    • ATPase and ADPase activities in synovial membrane of equine metacarpophalangeal joint 
      Jiménez, Paula; García Nannig, Lorena; Adarmes, H.; González, E.; Valenzuela, M. A. (2002)
      ATPase and ADPase activities capable of hydrolyzing nucleoside di- and triphosphates in the presence of Ca2+ are present in synovial membrane of metacarpophalangeal joint mainly associated to membrane fractions. These ...
    • ATPASE-ADPASE ACTIVITIES OF RAT PLACENTAL TISSUE 
      Pieber, M.; Valenzuela Pedevila, María Antonieta; Kettlun, Ana María; Mancilla, Marta; Aranda, E.; Collados, L. E.; Traverso Cori, A. (PERGAMON-ELSEVIER SCIENCE LTD, 1991)
      1. Calcium-stimulated ATPase-ADPase activities were studied in a microsomal fraction of rat placental tissue. 2. The kinetic characteristics correspond to those of ATP-diphosphohydrolase, also known as apyrase (E.C. ...
    • Autofagia del cardiomiocito: ¿Un nuevo mecanismo de adaptación al estrés o de muerte celular? 
      Aránguiz Urroz, Pablo Daniel; Contreras Ferrat, Ariel Eduardo; Rojas Rivera, Diego; Troncoso Cotal, Rodrigo Hernán; Marambio Morales, Paola Angélica; Toro, Bárbara; Sanhueza Muñoz, Carlos Joaquín; Pennanen Saavedra, Christian; Díaz Elizondo, Jessica; Parra Ortíz, María Valentina; Chiong Lay, Mario; Díaz Araya, Guillermo; Lavandero González, Sergio (Sociedad Chilena de Cardiología y Cirugía Cardiovascular, 2006)
      Históricamente, la apoptosis y la necrosis han sido consideradas como las dos formas fundamentales de muerte celular. Sin embargo, evidencias recientes sugieren que la muerte celular programada no está confinada sólo a ...
    • Autolytic degradation and microbiological activity in farmed Coho salmon (Oncorhynchus kisutch) during ... 
      Aubourg, Santiago P.; Quitral Robles, Vilma; Larraín Barth, María Angélica; Rodríguez Melis, Alicia; Gómez, Julio; Maier Neumann, Liliana Cristina; Vinagre, Julia (ELSEVIER SCI LTD, 2007)
      Two deteriorative pathways (autolysis and microbiological activity) were studied in farmed Coho salmon (Oncorhynchus kisutch) for 24 days during chilled storage. These changes were assessed by nucleotide degradation ...
    • Automated generation of context-specific gene regulatory networks with a weighted approach in Drosophila ... 
      Murgas, Leandro; Contreras Riquelme, Sebastián; Martínez Hernández, Jesús Eduardo; Villaman, Camilo; Santibáñez, Rodrigo; Martín, Alberto J. M. (Royal Soc, England, 2021)
      The regulation of gene expression is a key factor in the development and maintenance of life in all organisms. Even so, little is known at whole genome scale for most genes and contexts.We propose a method, Tool forWeighted ...
    • Autophagy Activation in Zebrafish Heart Regeneration 
      Chávez, Myra; Morales, Rodrigo A.; López Crisosto, Camila; Roa, Juan; Allende Connelly, Miguel; Lavandero González, Sergio (Nature, 2020)
      Autophagy is an evolutionarily conserved process that plays a key role in the maintenance of overall cellular health. While it has been suggested that autophagy may elicit cardioprotective and pro-survival modulating ...
    • Autophagy in cardiovascular biology 
      Lavandero González, Sergio; Chiong Lay, Mario; Rothermel, Beverly A.; Hill, Joseph A. (American Society for Clinical Investigation, 2015)
      Cardiovascular disease is the leading cause of death worldwide. As such, there is great interest in identifying novel mechanisms that govern the cardiovascular response to disease-related stress. First described in failing ...
    • Autophagy mediates tumor necrosis factor-alpha-induced phenotype switching in vascular smooth muscle A7r5 cell line 
      García Miguel, Marina; Riquelme, Jaime A.; Norambuena Soto, Ignacio; Morales, Pablo E.; Sanhueza Olivares, Fernanda; Núñez Soto, Constanza Belén; Mondaca Ruff, David; Cancino Arenas, Nicole; San Martín, Alejandra; Chiong Lay, Mario (Public library science, 2018)
      Vascular smooth muscle cells (VSMC) dedifferentiation from a contractile to a synthetic phenotype contributes to atherosclerosis. Atherosclerotic tissue has a chronic inflammatory component with high levels of tumor necrosis ...
    • Avances en el conocimiento de las enzimas y su impacto en la tecnología alimentaria 
      Pennacchiotti Monti, Irma (Colegio Químico Farmacéutico de Chile, A. G., 1989)
      La importancia del tema se debe a la especial relación entre alimentos y enzimas. Las enzimas, catalizadores bioquímicos, cumplen diversas funciones en los alimentos, provocando en algunos casos, graves daños en el color, ...
    • Average orientation and location of benzyl alcohol-d(5) and alkyl benzyl-d(5) ethers in anionic nematic ... 
      Weiss López, Boris; Miño Galaz, Germán; Araya Maturana, Ramiro; Tracey, Alan S. (AMER CHEMICAL SOC, 2000-04-18)
      Deuterium quadrupole splittings of benzyl alcohol-d(5) and a series of alkyl benzyl-d(5), ethers, with linear aliphatic chains from 1 to 12 carbon atoms, were measured using H-2 NMR spectroscopy. These molecules were ...
    • Average orientation of benzyl-d(5) alkyl ethers in cationic nematic lyomesophases 
      Weiss López, Boris; Saldaño Hurtado, Danilo; Araya Maturana, Ramiro; Gamboa, Consuelo (AMER CHEMICAL SOC, 1997-12-24)
      Deuterium quadrupole splittings from the aromatic ring of a series of linear benzyl-d(5) alkyl ethers, with alkyl chain length from 1 to 15 carbon atoms, have been measured using H-2-NMR spectroscopy. These molecules, 20% ...
    • Avocado (Persea americana Mill.) Phenolics, In Vitro Antioxidant and Antimicrobial Activities, and Inhibition ... 
      Rodríguez Carpena, Javier; Morcuende, David; Andrade, María Jesús; Kylli, Petri; Estévez, Mario (American Chemical Society, 2011)
      The first aim of the present work (study 1) was to analyze ethyl acetate, 70% acetone, and 70% methanol extracts of the peel, pulp, and seed from two avocado (Persea americana Mill.) varieties, namely, ‘Hass’ and ‘Fuerte’, ...
    • Backyard farms represent a source of wide host range salmonella phages that lysed the most common salmonella ... 
      Rivera, Dacil; Toledo, Viviana; Di Pillo, Francisca; Dueñas, Fernando; Tardone, Rodolfo; Hamilton-West Miranda, Christopher; Vongkamjan, Kitiya; Wiedmann, Martin; Moreno Switt, Andrea I. (International Association Food Protection, 2018)
      The genus Salmonella has more than 2,600 serovars, and this trait is important when considering interventions for Salmonella control. Bacteriophages that are used for biocontrol must have an exclusively lytic cycle and the ...
    • Bacterial and geochemical composition of thrombolites from Lake Sarmiento, Torres del Paine National Park ... 
      Osman, Jorge; Viedma, Pabla; Mendoza Crisosto, Jorge; Cotoras, Davor (Taylor & Francis, 2020)
      Microbialites are organo-sedimentary structures formed as minerals precipitate due to the metabolic activity of microorganisms. They can be differentiated by their internal mesostructure into stromatolites and thrombolites. ...
    • Bacterial pathways for the degradation of polychlorinated biphenyls 
      Seeger, Michael; Timmis, Kenneth; Hofer, Bernd (1997)
      Polychlorinated biphenyls (PCBs) are one of the most widely distributed chlorinated pollutants in the environment. Bioremedation seems to be a promising approach for the clean-up of PCB-contaminated soils and aquatic ...
    • BAG3 regulates total MAP1LC3B protein levels through a translational but not transcriptional mechanism 
      Rodríguez, Andrea E.; López Crisosto, Camila; Peña Oyarzún, Daniel; Salas, Daniela; Parra A., Valentina; Quiroga, Clara; Morawe, Tobías; Chiong Lay, Mario; Behl, Christian; Lavandero González, Sergio (Taylor and Francis, 2016)
      Autophagy is mainly regulated by post-translational and lipid modifications of ATG proteins. In some scenarios, the induction of autophagy is accompanied by increased levels of certain ATG mRNAs such as MAP1LC3B/LC3B, ATG5 ...
    • Bakuchiol and other compounds from Psoralea glandulosa 
      Erazo, Silvia; García, R.; Delle Monache, E. M. (México Federación Latinoamericana de Química, 1990)
      The leaves of P. glandulosa contain the active meroterpenoid bakuchiol, as well as angelicin, psoralen and a new cinnamic derivative.
    • Balance and distribution of sulphur in volcanic ash-derived soils in Chile 
      Aguilera S., S. María; Mora, M. D.; Borie B., Gilda; Peirano V., Pedro; Zunino Venegas, Hugo (PERGAMON-ELSEVIER SCIENCE LTD, 2002-09)
      Sulphur distribution with an insight in S-organic fractions was studied in volcanic-ash derived soils of Chile (Typic Dystrandepts, Palehumult) by isolating each fraction and measuring S directly by instrumental elemental ...
    • Balance de nitrógeno y fósforo en suelos en sistema de cero labranza 
      Peirano V., Pedro; Aguilera S., S. María; Borie B., Gilda (Temuco, Chile, Universidad de la Frontera, Facultad de Ciencias Agropecuarias, 1999)
      En los suelos evaluados en este estudio junto con la determinación de la dinámica del carbono y la actividad biológica se determinó el status de algunos macroelementos esenciales. Entre los nutrientes de importancia se ...
    • Band shift in chromium (III) complexes with mixed ligands. A molecular orbital approach 
      Bunel Torrealba, Sergio; Ibarra, C.; Adan, L. (1969)
      The shift of the first and second spin allowed bands due to the stepwise replacement of the nitrogen atoms in a complex of Cr(III) of the CrN6 type by oxygen atoms of water or of carboxylic groups is analyzed in terms of ...