Facultad de Ciencias Químicas y Farmacéuticas: Recent submissions
Now showing items 2981-3000 of 4850
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(Universidad de Chile, 2013)En esta memoria de título se propone una ruta de separación de los iones metálicos TR, lantano (III), cerio (III), praseodimio (III), neodimio (III), simulando las concentraciones aproximadas de una solución de lixiviación ...
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(The American Society of Photobiology, 2013)Photoinduced electron transfer between N-phenylglycine (NPG) and electronically excited triplets of 7-substituted-3- methyl-quinoxalin-2-ones in acetonitrile generate the respective ion radical pair, where by decarboxylation ...
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(Universidad de Chile, 2013)Las emulsiones son un tipo de sistemas de fases dispersas, se encuentran en forma abundante en nuestro alrededor y comúnmente son utilizados para el confort del hombre en la vida diaria, en la industria de los alimentos, ...
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(International Union of Crystallography, 2013)In the structure of the title compound, {[Cu2(C10H2O8)- (H2O)6] 4H2O}n, the benzene-1,2,4,5-tetracarboxylate ligand, (btec)4 , is located on a crystallographic inversion centre in a 4-coordination mode. The coordination ...
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(Elsevier, 2013)A series of 3-(3-(4-(3-(1H-indol-3-yl)propyl)piperazin-1-yl)propyl)-1H-indole derivatives (3a–d and 5a– f) as homo- and hetero-bis-ligands, were synthesized and evaluated for in vitro affinity at the serotonin transporter ...
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(Universidad de Chile, 2013)En esta Memoria de Título se estudió la remoción del anión sulfato en presencia de Cu(II) y Zn(II) desde soluciones acuosas que simulan un agua ácida residual de mina, empleando mezclas de cal, policloruro de aluminio y ...
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(International Union of Crystallography, 1991-04-15)[Cr(CO)5(C4H9NO)], M(r) = 279.2, monoclinic, P2(1)/c, a = 9.391 (7), b = 10.946 (7), c = 12.259 (9) angstrom, beta = 108.14 (5)degrees, V = 1197.6 (2) angstrom 3, Z = 4, D(x) = 1.55 g cm-3, lambda(Cu K-alpha) = 1.5418 ...
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(The American Society of Photobiology, 2013)The photophysical properties of 2-phenyl-naphtho[1,2-d][1,3] oxazole, 2(4-N,N-dimethylaminophenyl)naphtho[1,2-d][1,3] oxazole and 2(4-N,N-diphenylaminophenyl) naphtho[1,2-d] [1,3]oxazole were studied in a series of ...
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(2004-07)The alkaline single-cell gel electrophoresis (SCGE) assay, also called the comet assay, is a rapid and simple method for the detection of DNA damage in individual cells. The objective of this study was to establish if ...
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(The American Society of Photobiology, 2013)Photoreduction of 7H-benzo[e]perimidin-7-one (3-AOIA, A1) and its 2-methyl derivative (2-Me-3-AOIA, A2) by non-Hdonating amines (1,4-diazabicyclo[2.2.2]octane [DABCO]; 2,2,6,6-tetramethylpiperidine [TMP]), and a ...
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(Elsevier, 2013)In the search for new therapeutic tools for the treatment of American trypanosomiasis, a series of novel ferrocene and cyrhetrene imine compounds, derived from 5-nitro-heterocycles, were designed, synthesized and ...
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(Elsevier, 2009-02)The solubilization of biological membranes by detergents has been used as amajor method for the isolation and purification of membrane proteins and other constituents. Considerable interest in this field has resulted ...
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(2012)Mussels are one of the most cultivated and commercialized bivalves worldwide and in southern Chile its culture represent an important economic activity. The species identification within the Mytilus genera, by morphological ...
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(Springer, 2013)Estimating the number n of unseen species from a k-sample displaying only p ≤ k distinct sampled species has received attention for long. It requires a model of species abundance together with a sampling model. We start ...
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(The American Society of Photobiology, 2013)In this study, we report the synthesis and photochemical behavior of a new family of photoactive compounds to assess its potential as singlet oxygen (1O2) probes. The candidate dyads are composed by a 1O2 trap plus a ...
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(2000-07)Potato apyrase, a soluble ATP-diphosphohydrolase, was purified to homogeneity from several clonal varieties of Solanum tuberosum. Depending on the source of the enzyme, differences in kinetic and physicochemical properties ...
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(PUBLIC LIBRARY SCIENCE, 2011-12-28)One of the several uses of sucrose detergents, as well as other micelle forming detergents, is the solubilization of different membrane proteins. Accurate knowledge of the micelle properties, including size and shape, are ...
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(American Chemical Society, 1989)The exchange between bromide and chloride counterions at the surfaces of dioctadecyldimethylammonium vesicles has been examined through fluorescence quenching experiments. The quenching of the fluorescence of vesicle-incorporated ...
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(American Chemical Society, 1992-08)Lifetimes of pyrene incorporated into large unilamellar vesicles of dipalmitoylphosphatidylcholine and dioctadecyldimethylammonium chloride increase when the temperature increases prior to the melting temperature of the ...
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(Elsevier, 2013)In the heart, cardiac fibroblasts (CF) and cardiac myofibroblasts (CMF) are the main cells responsible for wound healing after cardiac insult. Exchange protein activated by cAMP (EPAC) is a downstream effector of cAMP, ...