Browsing by Title Facultad de Ciencias Químicas y Farmacéuticas
Now showing items 1353-1372 of 4850
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Dissolution kinetics evaluation of controlled-release tablets containing propranolol hydrochloride (Marcel Dekker Inc., 1999)In the present research, controlled-release propranolol hydrochloride tablets were prepared for twice-daily administration, allowing more uniform plasmatic levels of the drug. Pharmaceutical formulations were prepared with ...
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(WILEY-LISS, DIV JOHN WILEY & SONS INC, 2003-02-01)The contribution of distinct Ca2+-sensitive protein kinases to the regulation of the expression of the synaptosomal-associated protein SNAP-25 was examined in bovine chromaffin cells. Prolonged incubation with high K+ (38 ...
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(1979)Mössbauer spectroscopy as a function of temperature of Fe(II)(N,N′-dicyclohexyl-thiourea)6(ClO4)2(FeDCTU) shows the existence of two isomeric forms A and B which coexist in the temperature range 200 < T < 300 K. The relative ...
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(Universidad de ChilePrograma Cybertesis, 2006)En nuestro país, debido a las condiciones geológicas propias del territorio y a la actividad antropogénica gran parte de los suelos presentan altas concentraciones de arsénico. Por otra parte, la implementación de un plan ...
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(Sociedad Chilena de la Ciencia del Suelo, 2000)Universalmente se hace necesario y urgente implementar políticas de uso de residuos orgánicos en los suelos, tanto por la necesidad de disponer de estos residuos, como también por la necesidad apremiante de recuperar el ...
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(ELSEVIER, 2008-01-30)The distribution of urocanic acid (UCA) isomers between aqueous solutions and n-octanol, egg yolk phosphatidylcholine (eggPC) liposomes or bovine serum albumin (BSA) has been evaluated. Regarding its partitioning between ...
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(Universidad de Chile, 2024)En la actualidad los líquenes son considerados como una asociación simbiótica entre un micobionte (hongo), un fotobionte (alga verde y/o cianobacteria) y una gran diversidad de microorganismos asociados. Estos microorganismos ...
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(2013)Background: Paper mulberry has been used for thousands of years in Asia and Oceania for making paper and bark-cloth, respectively. Museums around the world hold valuable collections of Polynesian bark-cloth. Genetic ...
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(Kluwr Academic Publisher, 1999)Traditional identification of peach and nectarine varieties relies on the assessment of agronomic traits of the adult plant. This leads to a significant delay of time, constraints to breeders in the surveillance of germplasm ...
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(Journal of Visualized Experiments, 2018)DNA staining methods are very important for biomedical research. We designed a simple method that allows DNA visualization to the naked eye by the formation of a colored precipitate. It works by soaking the acrylamide or ...
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(PLoS ONE 8(11): e79499, 2013)The constant emergence of antibiotic multi-resistant pathogens is a concern worldwide. An alternative for bacterial treatment using nM concentrations of tellurite was recently proposed to boost antibiotic-toxicity and a ...
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(Universidad de Chile, 2015)Práctica prolongada desarrollada en el departamento de Operaciones Analíticas (que involucra áreas de Control de Calidad, Estabilidad y Validaciones) de Laboratorios Synthon Chile Ltda., para optar a el título de Químico ...
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(Universidad de Chile, 2013)La empresa farmacéutica Laboratorios Saval S.A., al momento de la realización del siguiente trabajo, se encontraba en un proceso de mejoras e implementación de un plan de actualización de toda la documentación utilizada ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2007-06-01)E)-Ethyl 3-(4-oxo-4H-chromen-3-yi)acrylate (3), (E)-3-(4-oxo-4H-chromen-3-yl)-2-propenenitrile (12) and their 5-hydroxy-derivatives 11 and 13 undergo alternative, solvent dependent, domino reactions with ethyl vinyl ether. ...
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(Oxford University Press, 2014)studyquestion: Is the neurotransmitter dopamine (DA) in the human ovary involved in the generation of reactive oxygen species (ROS)? summary answer: Human ovarian follicular fluid contains DA, which causes the generation ...
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(AMER CHEMICAL SOC, 2005-03)We report a new and specific mechanism for iron-mediated neurotoxicity using RCHT cells, which were derived from rat hypothalamus. RCHT cells exhibit immunofluorescent-positive markers for dopamine beta-hydroxylase and the ...
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(WILEY-BLACKWELL, 2012)
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(Universidad de ChilePrograma Cybertesis, 2007)
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(Elsevier, 2018)The development of fat replacers to obtain healthier/functional foods is a constant challenge. With this aim, double emulsions (DE) with a blend of olive, linseed and fish oils as oil phase were developed. To prevent the ...
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(Elsevier Ltd, 2019)Double emulsions (DE) with a healthy oil blend as lipid phase and an olive leave extract (OLE) encapsulated in the internal aqueous phase (DE/OLE) were incorporated as fat replacers in meat systems, in order to improve ...