Browsing by Title Artículos de revistas

Now showing items 246-265 of 2801

    • Assessment of extractability of Cu, Cr, Ni, Pb and Zn in some chilean biosolid-amended soils by using BCR ... 
      Ahumada, Inés; Maricán, Adolfo; Retamal, Mauricio; Pedraza, Cristina; Ascar, Loreto; Carrasco, Adriana; Richter Duk, Pablo (Sociedade Brasileira de Quimica, 2010)
      The effect of biosolid application on the distribution and extractability of Cr, Cu, Ni, Pb, and Zn was assessed in Mollisol soils from an important agricultural zone in central Chile. These were amended with biosolids at ...
    • Assessment of industrial modules to design a GFMA process for cyanide recovery based on a phenomenological model 
      Estay, Humberto; Troncoso, Elizabeth; Ruby-Figueroa, René; Romero, Julio (MDPI, 2018-04)
      Cyanide recovery in the gold-mining industry is a crucial step in terms of the cost of operation. Currently, a process such as AVR (acidification, volatilization and recycling), based on packed towers for stripping and ...
    • Assessment of polyaniline nanoparticles toxicity and teratogenicity in aquatic environment using Rhinella ... 
      Ibarra, Luis E.; Tarres, Lucrecia; Bongiovanni, Silvestre; Barbero, César A.; Kogan Bocian, Marcelo; Rivarola, Viviana A.; Bertuzzi, Mabel L.; Yslas, Edith I. (Elsevier, 2015)
      With the rapid growth of nanotechnology and the applications of nanoparticles, environmental exposure to these particles is increasing. However, their impact in human and environmental health is not well studied. Anurans, ...
    • Assessment of quality parameters and microbial characteristics of Cape gooseberry pulp (Physalis peruviana ... 
      Vega-Gálvez, Antonio; Díaz, Romina; López, Jéssica; Galotto, María José; Reyes, Juan Esteban; Perez-Won, Mario; Puente-Díaz, Luis; Di Scala, Karina (Institution of Chemical Engineers, 2016)
      © 2015 Published by Elsevier B.V. on behalf of The Institution of Chemical Engineers. The aim of this investigation was to determine the effect of high hydrostatic pressure (HHP) on dietary fiber, total phenolic (TPC), ...
    • Assessment of quality parameters and microbialcharacteristics of Cape gooseberry pulp (Physalisperuviana ... 
      Vega Gálvez, Antonio; Díaz, Romina; López, Jéssica; Galotto, María José; Reyes, Juan Esteban; Pérez Won, Mario; Puente Díaz, Luis (Elsevier, 2015)
      The aim of this investigation was to determine the effect of high hydrostatic pressure(HHP) on dietary fiber, total phenolic (TPC), vitamin B and E contents, antioxidant capacity(AC) and microbiological characteristics of ...
    • Assessment of rheological and microstructural changes of soluble fiber from chia seeds during an in vitro ... 
      Lázaro, Henry; Puente Díaz, Luis; Zúniga, Ma. Carolina; Muñoz, Loreto A. (Elsevier, 2018-09)
      The ability of some dietary fiber to increase the viscosity of digestive content may be associated with important positive implications in human health. An in vitro micro-digestion device was implemented to simulate and ...
    • Assessment of the hydrolytic degradation of lovastatin by HPLC 
      Álvarez Lueje, Alejandro; Pastine Sepúlveda, Javiera; Squella Serrano, Juan; Núñez Vergara, Luis (SOCIEDAD CHILENA DE QUIMICA, 2005-12)
      In this work an HPLC stability-indicating method was developed and applied to study the hydrolytic behaviour of lovastatin in different simulated fluids. The selected chromatographic conditions were a C-18 column, ...
    • Assessment of the Nature Interactions of beta-Amyloid Protein by a Nanoprobe Method 
      Caballero, Leonardo; Mena, Juan; Morales Alvarez, Aurora; Kogan Bocian, Marcelo; Melo, Francisco (Amer Chemical Soc, 2015)
      We present a method based on atomic force microscopy (AFM) to assess the work of adhesion between the interfaces of gold AFM tips functionalized with three peptides derived from beta-sheet breaker LPFFD [CLPFFD-NH2 (i(0)) ...
    • Association of the intronic polymorphism rs891512 (G24943A) of the endothelial nitric oxide synthase gene ... 
      Seelenfreund, D.; Lobos, S. R.; Quesada, A.; Saavedra, J. M.; Wolff, C.; López-Stewart, G.; Araya, A. V.; Durruty, P. (2012)
      We investigated two single nucleotide polymorphisms of the NOS3 gene in type 2 diabetic patients (n= 93) and healthy non-diabetic controls (n= 76) and their relationship with smoking habits, body mass index, hypertension ...
    • Associations of six adiposity-related markers with incidence and mortality from 24 cancers—findings from ... 
      Parra Soto, Solange Liliana; Cowley, Emma S.; Rezende, Leandro F. M.; Ferreccio Keadi, Catterina; Mathers, John C.; Pell, Jill P.; Ho, Frederick K.; Celis Morales, Carlos (BMC, 2021)
      Background: Adiposity is a strong risk factor for cancer incidence and mortality. However, most of the evidence available has focused on body mass index (BMI) as a marker of adiposity. There is limited evidence on ...
    • Asymmetric hydroformylation of vinyl arenes catalyzed by furanoside diphosphinites-Rh(I) complexes 
      Guimet, Eugeni; Parada Aliste, José; Diéguez, Montserrat; Ruiz, Aurora; Claver, Carmen (2005-03-30)
      Diphosphinite ligands 2 and 3, easily prepared from inexpensive D(+)-xylose in few steps, were tested in the Rh-catalyzed asymmetric hydroformylation of several vinyl arenes. High regio-selectivities in branched aldehyde ...
    • Atomic softness and the electric dipole polarizability 
      Fuentealba, P.; Reyes, O. (1993)
      The relations between the atomic softness and the atomic electric dipole polarizability are studied, both in a theoretical and an empirical way. For atoms and ions with one or two valence electrons a remarkably good ...
    • ATP fosfonato y azul de cibacron unidos a poliextrano para purificar pirofosfohidrolasas 
      Calvo Pérez, Víctor; Valenzuela Pedevila, María Antonieta; Traverso Cori, A. (Centro de Perfeccionamiento, Experimentación e Investigaciones Pedagógicas (Chile), 1979)
      No tiene
    • ATP-diphosphohydrolase activity in rat renal microvillar membranes and vascular tissue 
      Sandoval, S.; García Nannig, Lorena; Mancilla, Marta; Kettlun, Ana María; Collados, L. E.; Chayet, L.; Alvarez, A.; Traverso Cori, A.; Valenzuela Pedevila, María Antonieta (PERGAMON-ELSEVIER SCIENCE LTD, 1996-05)
      Ecto-nucleotidases may have a role in the regulation of purinoceptor-mediated responses. ATP-diphosphohydrolase or apyrase has been described as an ecto-nucleotidase, which is characterized by a low specificity for its ...
    • ATP-diphosphophydrolase activin in rat heart tissue 
      Espinosa, Victoria; Galleguillos, M.; Mancilla, Marta; Garrido, J.; Kettlun, Ana María; Collados, L. E.; Chayet, L.; García Nannig, Lorena; Traverso Cori, A.; Valenzuela Pedevila, María Antonieta (ACADEMIC PRESS AUST, 1996-08)
      Extracellular nucleotides interact with specific receptors on the cell surface and are locally metabolized by ecto-nucleotidases. Biochemical characterization of the ATPase and ADPase activities detected in rat heart ...
    • 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 ...