Browsing by Title Artículos de revistas
Now showing items 221-240 of 2801
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(JOHN WILEY, 2006-06)Herbal tea consumption is deeply and widely rooted amongst South-American populations. In view of the involvement of oxygen- and nitrogen-reactive species in the ethiogenesis of several diseases, the antioxidant properties ...
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(Elsevier GmbH, 2018)© 2018 Elsevier GmbH To evaluate the effect of drying methods on Stevia rebaudiana Bertoni quality, the content of bioactive compounds, antioxidant capacity, antimicrobial and anti-inflammatory activity of Stevia leaves ...
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(American Chemical Society, 2014)Tumor cells principally exhibit increased mitochondrial transmembrane potential (Δψm) and altered metabolic pathways. The therapeutic targeting and delivery of anticancer drugs to the mitochondria might improve treatment ...
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(JOHN WILEY & SONS LTD, 1998-03)The acute toxicities of the global methanol extract of Solanum ligustrinum (Solanaceae) and the crude steroidal glycoalkaloids mixture were determined. The antipyretic, hypothermic and antiinflammatory activities of aqueous, ...
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(Instituto Antártico Chileno, 1999)Los procesos que se desarrollan en un lago, se reducen a un modelo de entrada/salida. Las entradas son las cantidades de compuestos y agua que llegan desde el exterior y las salidas son los sumideros que conforman las ...
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(Real Academia Nacional de Farmacia, 2007)Un nuevo parámetro topográfico (Vc3) aplicado a la disciplina QSPR se utiliza para la reducción del número de variables independientes a una sola variable denominada Vc3. La reducción está basada en la relación de las ...
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(Taylor & Francis Ltd., 2002)This work reports the experience and contribution of two web pages to formal, traditional education. The aim of these pages were to: (i) provide complementary information to the courses; (ii) permit interactivity through ...
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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 ...