Browsing by Title Facultad de Ciencias Químicas y Farmacéuticas
Now showing items 2417-2436 of 4850
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(Marcel Dekker, Inc., 1993)A sensor for the determination of cadmium based on retention of the CdI4" complex on a QAE Sephadex resin located in the flow-cell of a conventional photometric detector and on subsequent complex displacement reaction with ...
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(1993)A sensor for the determination of cadmium based on retention of the Cdl4″ complex on a QAE Sephadex resin located in the flow-cell of a conventional photometric detector and on subsequent complex displacement reaction with ...
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(JOHN WILEY & SONS INC, 1997)A simple design of a polarographic flow-through cell is proposed in which a conventional dropping mercury electrode (DME) is used as working electrode, and a mercury pool and a platinum wire are used as the reference and ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2000-08)Chemical modification of potato apyrase suggests that tryptophan residues are close to the nucleotide binding site. K-d values (+/- Ca2+) for the complexes of apyrase with the non-hydrolysable phosphonate adenine nucleotide ...
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(Frontiers Media SA., 2018-06)Lipid A is the bioactive component of lipopolysaccharide, and presents a dynamic structure that undergoes modifications in response to environmental signals. Many of these structural modifications influence Salmonella ...
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(1988)Nifedipine, a calcium antagonist drug, produces a well-defined polarographic wave due to the four-electron, four-proton reduction of the nitro group. This peak is diffusion-controlled and shows a linear dependence on the ...
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(Universidad de Chile, 2006)El metabolismo proteico es altamente regulado. Los eucariontes poseen diferentes sistemas degradativos como lisosomas y el sistema ubiquitina/proteosoma. Este último, responsable de la degradación de más del 80% de las ...
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(Universidad de Chile, 2020)Campylobacter es el principal agente causante de gastroenteritis transmitida por los alimentos, en países desarrollados, y presenta una prevalencia importante en los países en desarrollo. De manera general, es aceptado que ...
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(AMER CHEMICAL SOC, 2000-11-17)The photophysical and photochemical behavior of 1-methyl-3-phenylquinoxalin-2-one (MeNQ) and 3-phenylquinoxalin-2-one (HNQ) in the presence of amines is reported. While HNQ fluorescence shows an auxochromic effect and a ...
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(ELSEVIER SCI LTD, THE BOULEVARD, 2001-07-12)Sucrose forms a dicationic complex with cobalt(III)bis(phenanthroline) which can be isolated as the sparingly water-soluble triiodide salt or the water-soluble chloride. The circular dichroism (CD) spectrum demonstrates ...
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(Marcel Dekker Inc.Taylor & Francis, 1996)The EPR spectra of radicals obtained by electrohytical reduction of 2-nitroimidazole and 4-nitroimidazole were measured in mixed solvents. The behavior of the nitrogen coupling constants with the solvent composition is ...
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(Academic Press Inc., 1995)Eggs of the leech Theromyzon rude were studied under dissecting, fluorescence, light, and electron microscopes. The sperm-derived centrosome divides and separates at early first interphase. The female pronucleus forms ...
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(1994)Whole-mounted or sectioned eggs of the glossiphoniid leech Theromyzon rude were studied under the dissecting, fluorescence, light, and electron microscope. The egg is often penetrated by a single sperm that enters the ...
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(Universidad de ChilePrograma Cybertesis, 2005)
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(Universidad de Chile, 2005)Se procedió a desarrollar una formulación de un producto moldeado a base de pasta de aceitunas para aprovechar la aceituna de bajo calibre y el descarte de la aceituna deshuesada. A través de ensayos preliminares de textura ...
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(Universidad de Chile, 2018)La epilepsia es un trastorno crónico en el cual la actividad eléctrica cerebral no funciona normalmente, lo que trae como consecuencia la expresión de crisis epilépticas que pueden afectar negativamente a la calidad de ...
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(Universidad de Chile, 2022)Bacterial Kidney Disease (BKD), cuyo agente etiológico es el cocobacilo Gram positivo Renibacterium salmoninarum, es una enfermedad infecciosa que amenaza el desarrollo de la salmonicultura chilena. Durante las últimas ...
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(Universidad de Chile, 2012)La quínoa es un pseudocereal que se caracteriza por el contenido de aminoácidos esenciales presentes, siendo uno de los granos que presenta un contenido mayor de proteínas esenciales para el ser humano y un contenido menor ...
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(Universidad de Chile, 2011)En el presente estudio se desarrolló un producto en polvo para deportistas de resistencia, basándose en las necesidades nutricionales específicas señaladas en estudios recientes de nutrición deportiva y ciencias del ...
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(Springer New York LLC, 2017)