Browsing by Title Facultad de Ciencias Químicas y Farmacéuticas
Now showing items 941-960 of 4768
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(American Chemical Society, 2020)Opioids are arguably one of the most important pharmacologic classes, mainly due to their rich history, their useful and potent analgesic effects, and also, just as importantly, their “Dark Side”, constituted by their ...
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(1987)The deactivation of a number of excited polycyclic aromatic hydrocarbons by copper(II), cobalt(II), nickle(II) and chromium(III) in ethanol-water (1:1 by volume) has been investigated. In spite of the fact that most of the ...
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(Pergamon Press Ltd, 1982)During 1 yr, CO2-C losses from 7 agricultural soils containing 0,5-1,5% organic C ranged from 70 to 243 mg 100g-1 while losses from three allophanic soils containing 4,9-8,9% organic C varied from 92 to 191 mg. Losses as ...
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(1991)Kinetic and product studies indicate that the title compound decomposes in aqueous solutions to give 5-nitro-2-aminophenol with the intermediacy of N-(2-hydroxy-4-nitrophenyl)carbamic acid. © 1991.
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(2016)The uptake of triclosan (TCS) and its metabolite methyl-triclosan (MTCS) by plants is poorly discussed in the current literature. The aim of this research was to analyze the extent of absorption of these compounds by the ...
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(Elsevier, 2015)Diabetic cardiomyopathy (DCM) is a common consequence of longstanding type 2 diabetes mellitus (T2DM) and encompasses structural, morphological, functional, and metabolic abnormalities in the heart.Myocardial energy metabolism ...
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(1997)Citrus limon seedlings respond to fungat attack inducing the phenylpropanoid pathway producing phytoalexins. The de nero synthesis of one of the main enzymes, phenylalanine ammonia-lyase (PAL), is accomplished after 24 ...
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Defined Single-Gene and Multi-Gene Deletion Mutant Collections in Salmonella enterica sv Typhimurium (PLOS One, 2014)We constructed two collections of targeted single gene deletion (SGD) mutants and two collections of targeted multi-gene deletion (MGD) mutants in Salmonella enterica sv Typhimurium 14028s. The SGD mutant collections ...
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(Universidad de Chile, 2023)Hidrocarburos Aromáticos Policíclicos (HAPs) son contaminantes orgánicos generados por la combustión incompleta de sustancias orgánicas, que representan un riesgo para los ecosistemas y la salud humana debido a sus efectos ...
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(Universidad de Chile, 2021)Dentro de las enzimas que algunas especies de Pyrococcus poseen se encuentran las nitrilo-aminohidrolasas (EC 3.5.5.1), también llamadas nitrilasas. Las nitrilasas son enzimas que catalizan la hidrólisis de una variedad ...
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(Springer Verlag, 2018)© 2018, Springer-Verlag GmbH Germany, part of Springer Nature. The intensive use of insecticides such as chlorpyrifos (CPF) and diazinon (DZN) in the agricultural activities worldwide has produced contamination of soils ...
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(Cêntre d'Etude des Plantes Médicinales, 1984)Two sesquiterpene lactones have been isolated from the stems, leaves and flowers of Centaurea chilensis Hook. et Arn.: dehydrocostus lactone and 8 α-hydroxydehydrocostus lactone, and two steroids: β-sitosterol and stigmasterol. ...
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(Universidad de Chile, 2019)Con la revolución digital que estamos viviendo a fines de la segunda década del siglo XXI, los medios de comunicación han evolucionado enormemente. Esta revolución incluye el uso masivo de medios digitales como páginas web ...
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(Elsevier, 2021)Sex differences in the brain have prompted many researchers to investigate the underlying molecular actors, such as the glucocorticoid receptor (GR). This nuclear receptor controls gene expression, including microRNAs ...
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(Elsevier, 2020)New therapeutics such as antisense oligonucleotides, small interfering RNA and peptide-drug conjugates are taking great relevance in the pharmaceutical industry due to their specificity of action and their improved safety ...
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(Elsevier, 2020)In this work, an analytical method for deltamethrin determination in natural waters based on photochemicallyinduced fluorescence coupled to third-order/four-way calibration was evaluated and compared with secondorder/three-way ...
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(2013)The title mononuclear complex, [Nd(C5H3N2O3)3(H2O)3] - 3H2O, consists of an NdIII cation, three 2,4-dioxo-1,2,3,4- tetrahydropyrimidine-5-carboxylate ligands and three aqua ligands forming the neutral complex molecule, ...
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(AMER CHEMICAL SOC, 2001-09)Densities and viscosities for 1,4-dioxane with 1-propanol and 2-propanol mixtures have been measured as a function of mole fraction at atmospheric pressure at (25, 30, 35, and 40) degreesC. The calculated excess volumes ...
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(1999)The dipole polarizability of a series of clusters of the type LinHm has been calculated using density functional methods. The study of the trends in the mean polarizability and the anisotropy are explained in terms of the ...
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(Universidad de ChileCyberDocs, 2009)El manganeso es un componente esencial para los organismos, pues está involucrado en muchos de los procesos elementales de la célula. El estado de oxidación +2 es la forma más abundante de este metal en los sistemas ...