Browsing by Title Artículos de revistas
Now showing items 229-248 of 2801
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(2011)The aim of this work was to investigate the role of mitochondrial dysfunction in the development of oxidative stress and cytotoxicity induced by indomethacin and to evaluate the potential of an apple peel polyphenol extract ...
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(1969)The influence of the concentration of nonionic detergents on the cloud point of their aqueous solutions is discussed using Huggins' theory of polymer solutions. The treatment is exemplified by applying the theory to the ...
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(H M P Communications, 2020)Introduction. Diabetic foot ulcers may lead to nontraumatic amputations of the foot, leading to a decrease in patient quality of life. Transmetatarsal amputations (TMAs) represent an effective surgical procedure in cases ...
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(Elsevier Sci B.V., 1999)This communication describes the application of a hollow-fiber-type solid supported liquid membrane technique to the selective recovery and enrichment of copper from a Chilean mine water. The membrane extractor works by ...
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(2012)This paper reviews the most relevant uses and applications of zeolites in anaerobic digestion processes. The feasibility of using natural zeolites as support media for the immobilization of microorganisms in different high-rate ...
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(ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD, 2008-09)Greenhouse gases (GHG), basically methane (CH4), carbon dioxide (CO2) and nitrous oxide (N2O), occur at atmospheric concentrations of ppbv to ppmv under natural conditions. GHG have long mean lifetimes and are an important ...
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(MDPI, 2020)In the present work, the effectiveness of switchable hydrophobicity solvents (SHSs) as extraction solvent (N,N-Dimethylcyclohexylamine (DMCA), N,N-Diethylethanamine (TEA), and N,N-Benzyldimethylamine (DMBA)) for a variety ...
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(2006)Free radicals may be reaction intermediates in biological systems in more situations than are presently recognized. However, progress in detecting such species by Electron Spin Resonance (ESR) has been relatively slow. ESR ...
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(BENTHAM SCIENCE PUBL LTD, 2006-02)Free radicals may be reaction intermediates in biological systems in more situations than are presently recognized. However, progress in detecting such species by Electron Spin Resonance (ESR) has been relatively slow. ESR ...
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(Elsevier Ltd, 2018)© 2018 Elsevier Ltd This study assessed the effects of polymorphic variants of gutathione-S-transferase and metallothioneins on profiles of urinary arsenic species. Drinking groundwater from Margarita and San Fernando, ...
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(SOCIEDAD CHILENA DE QUIMICA, 2004-12)The presence of high concentrations of arsenic and copper was determined in most of the environmental matrixes under study (river water, river sediments, and soils), which suggests a real impact of the copper mining activity ...
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(SPRINGER HEIDELBERG, 2005-04)A simple continuous flow method is proposed to eliminate copper interference in arsenic speciation by hydride generation, based on the selective retention of this interfering ion in an iminodiacetate chelating resin previous ...
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(2009)An oxygen radical absorbance capacity (ORAC) method based on pyrogallol red bleaching (ORAC-PGR) was used to evaluate the scavenging activity of berry extracts (blackberry, blueberry, and raspberry). Among berry extracts, ...
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(Federación Farmacéutica Sudamericana (FEFAS), 2006-08)El farmacéutico está definitivamente ligado a las moléculas con atributos terapéuticos. Entre sus dominios figura el conocimineto de su estructura y efectos; debe saber el "para que", el "como" y el "porqué" actúan los ...
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(Sociedad Chilena de Tecnología de Alimentos, 1976)En un estudio microbiológico realizado en cuatro plantas procesadoras de langostinos de la zona litoral central, se encontraron valores de Staphylococcus coagulasa positiva demasiado elevados como para ser atribuídos ...
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(Elsevier, 2015)The purpose of this work was to evaluate chitosan edible films (CH) incorporated with maqui berry extracts (MB) for (i) the inhibition growth of some bacterial strains (ii) their total phenolic (TPC) and total flavonoid ...
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(Elsevier B.V., 2017)© 2017 Elsevier B.V. In pelagic species such as Seriola lalandi, survival of both the eggs and embryos depends on yolk processing during oocyte maturation and embryo development. The main enzymes involved in these processes ...
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(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 ...
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(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 ...
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(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, ...