Facultad de Ciencias Químicas y Farmacéuticas: Recent submissions
Now showing items 4681-4700 of 5098
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(SPRINGER-VERLAG, 2002-03)The mud of the northern zone of the Gulf of Arauco is considered an area of sediments rich in organic matter, due to the current regime and to the geomorphology of the gulf. The possible accumulation of heavy metals derived ...
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(ACADEMIC PRESS INC ELSEVIER SCIENCE, 2008-12)Reference materials are essential tools to achieve comparability and traceability between measurements. However, reference materials in food matrices are scarce. in this article, the development of a reference material for ...
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(ELSEVIER IRELAND LTD, 2008-03-05)Ethnopharmacological relevance: Buddleja globosa, known as "matico", is employed in Chile for wound healing. Aim of the study: To validate the traditional use of the crude drug through in vivo and in vitro evaluation of ...
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(Laboratorio Pasteur, 2008)
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(DUSTRI-VERLAG DR KARL FEISTLE, 2009-04)Objective: To evaluate the systemic bioavailability of a new controlled release cyclobenzaprine tablet, and the influence of a high fat meal on its bioavailabillty. Subjects, materials and methods: 24 and 12 healthy male ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 1998-01)1. Isradipine and lacidipine, two new drugs that are members of the nitro-aryl-1,4-dihydropyridine family, produced inhibition of both growth cultures and oxygen consumption on epimastigotes of Trypanosoma cruzi Tulahuen ...
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(SOCIEDAD CHILENA DE QUIMICA, 2004-06)Mixed bis-phenanthroline Co(III) complexes with amino sugars disproportionate over a period of months, giving non-ionic tris(aminosugar)complexes. The complex with alpha-D-glucosamine has the Lambda-configuration with ...
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(SOCIEDAD CHILENA DE QUIMICA, 1999-03)The Delta-Lambda isomerization of partially resolved [Ni(1,10-phen)(2)(S-aa)](+) systems, where Saa is S-phenylalaninate, S-isoleucinate, S-leucinate, S-valinate, or S-alaninate, has been studied at 15, 20 and 25 degrees ...
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(SOCIEDAD CHILENA DE QUIMICA, 2005-06)Tetranuclear complexes of Co(III) with bidentate ligands and hydroxo bridges were synthesized in the presence of D-glucosamine, D-mannosamine. D- and L-xylose with the partial resolution the these complexes.
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(VERLAG Z NATURFORSCH, 2008-07)Dunalia sphiosa, a plant used in folk medicine for toothaches, breathing problems and cleansing wounds. was found active as antimicrobial and antioxidant. A new (E)-aurone rutinoside (dunaurone) has been isolated from the ...
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(COLEGIO FARMACEUTICOS PROVINCIA DE BUENOS AIRES, DEPT CIENTIFICO, 2007-07)The purpose of this study was to evaluate in vivo the Sun Protection Factor (SPF) of two sunscreens made in a pharmacy, utilizing for such purpose a technique described by the Food and Drug Administration (FDA). This study ...
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(ELECTROCHEMICAL SOC INC, 2009)The electrochemical reduction of 1-methyl-4-nitro-2-carboxyimidazole (RNO2COOH) in a nonaqueous medium produced two reduction signals, which were influenced by the dissociation of the compound. The first reduction signal ...
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(ELSEVIER SCIENCE SA, 2006-06-01)To investigate new chemotherapeutics alternatives to Chagas' disease, three 4-(5'-nitro-2'-furyl)-1,4-dihydropyridine derivatives were synthesized and electrochemically investigated in order to clarify their redox behavior. ...
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(ELECTROCHEMICAL SOC INC, 2008)Electrochemical oxidation of 4-(3-indolyl)- and 4-(5-indolyl)-1,4-dihydropyridines (DHPs) in aprotic and protic media is reported. Also, the reactivity of compounds toward alkylperoxyl radicals 2,2'-azobis-(2-amidinopropane) ...
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(SOC CHILENA QUIMICA, 2009-06)New benzothiophene arylpiperazine derivatives 7 (a-1) were synthesized as potential serotoninergic agents with 5-HT1A receptor affinity. Preparation of the derivatives was performed by reaction of 1-(4-aminophenyl)-4-[(4 ...
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(ELSEVIER SCIENCE BV, 2009-08-15)The present study addresses the electrochemical behavior and the analytical applications of six 2-nitrophenylbenzimidazole derivatives with activity against Trypanosoma cruzi. When studied in a wide range of pH, by ...
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(SCIENCE REVIEWS LTD, 2008-06)A novel series of calix[4]arenes bearing benzothiazole, benzoxazole, and benzoimidazole groups were obtained by the reaction of the corresponding 2-mercaptoheterocycle with 5,11,17,23-tetra-tert-butyl-25,27-bis[2-(chloroacetamido) ...
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(SOC MEDICA SANTIAGO, 2008-09)Background: Data from the Ministry of Health show that in Chile in 2004, 17% of the population had some form of depression and mood disorders are the tenth cause of disability-adjusted life years (DALY) loss. Aim: To ...
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(MARCEL DEKKER INC, 2004-06)Copper (Cu) mining activities are very important in central Chile. The present study consists in determining the distribution and availability of copper, arsenic (As), and lead (Pb) in soils near a smelting facility, in ...
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(MARCEL DEKKER INC, 2002)A new simple, sensitive and selective solid phase spectrophotometric method has been developed for determination of copper in water. A sensitive analytical zone was prepared by immobilization of zincon in a Sephadex A25 ...
