Facultad de Ciencias Químicas y Farmacéuticas: Recent submissions
Now showing items 4341-4360 of 5085
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(Sociedad Chilena de Química, 2002)En este trabajo se demuestra que el uso del algoritmo correspondiente al índice de conectividad de valencia tridimensional corregido [Λ(q)], utilizado a un valor de exponente óptimo, produce un valor máximo para el índice ...
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(Marcel Dekker, 1991)A preconcentration method based on the adsorption on activated carbon of a binary complex of copper(I) with 2,2¡-boquinoline, and subsequent polarographic determination of microamounts of copper has been developed. The ...
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(Colegio Químico Farmacéutico de Chile (A. G.), 1990)No tiene
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(MUNKSGAARD INT PUBL LTD, 1997-03-15)The reaction of 1,2,3-triphenylphosphirene with [H2Os3-(CO)(10)] leads to the title compound, [Os-3(CO)(9){(C6H5)(3)-C2PO}], which displays an open Os-3(CO)(9) cluster [Os-Os 2.703(1) and 2.867(2) Angstrom, and Os-Os-Os ...
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(GOVI-VERLAG GMBH, 2003-10)A validated HPLC method for the determination of ranitidine in human plasma is presented. Sulfanilamide as internal standard (IS) was used. Plasma samples were purified by solid phase extraction (SPE) using a copolymeric ...
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(AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC,, 2010-11-16)The role of the adenovirus major late upstream transcription from the adenovirus major late and the IV a2 promoters was studied. The transcription initiation site of the IVa2 promoter is located 210 nucleotides upstream ...
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(Universidad Católica de Valparaíso, 1998-08-15)Ceriporiopsis subvermisporais a white-rot basidiomycete that produces several isoenzymes of manganese peroxidase (MnP). A cADN of one of them (MnP13-1) has been isolated and sequenced. The deduced aminoacid sequence ...
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(Springer-Verlag, 1984)Two outer membrane proteins of Salmonella typhi T y 2 were extensively co-purified. According to their migration in dodecyl sulfate/polyacrylamide gel electrophoresis and solubility characteristics, these proteins are ...
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(Colegio de Químicos Farmacéuticos de Chile, 1980)La materia viva nos permite fijar un marco de referencia desde el punto de vista de las dimensiones. Las células y bacterias tienen tamaños que varían entre 0,2 y 10 micrones; los componentes celulares y los virus entre ...
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(Colegio Químico Farmacéutico de Chile, 2000)¿Se ha detenido a pensar la cantidad de tecnología computacional que nos ha invadido los últimos años? Posiblemente ya haya escuchado hablar de electrodomésticos que se conectan a la Internet, y del refrigerador que tiene ...
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(Taylor & Francis Ltd., 2002)This work reports the experience and contribution of two web pages to formal, traditional education. The aim of these pages were to: (i) provide complementary information to the courses; (ii) permit interactivity through ...
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(Sociedad Chilena de Química, 1984)Several methods recommended for soil analysis using acid digestion were tested for the total analysis of minor and trace elements of the clay fraction. The proposed method using mixtures of HClO4/HF was adequate to dissolve ...
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(Kluwer Academic Publishers, 1991)The elemental content of some soils of continental Chile and the Antarctic Peninsula are reported. The elements: Al, Cr, Mn, Fe, Co, Ni, Cu, Zn, Cd and Pb were analyzed. Trace elements differed among soils. The values ...
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(Sociedad Chilena de Química, 1980)El estudio químico y espectroscópico de los acil etoxicarbonil metilidentrifenilofosforanos I, revela que son compuestos extraordinariamente estables (1). En este trabajo se informa la síntesis de una serie de ílidos ...
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(Colegio de Farmacéuticos de la Provincia de Buenos Aires (Argentina), 1993)Se realizó un estudio acelerado de estabilidad en comprimidos de ciprofloxacina. Los comprimidos se almacenaron en condiciones de estantería y a 37ºC y 75% de humedad relativa durante 6 meses. Se determinó la aparición ...
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(MARCEL DEKKER INC, 2001)A very simple and efficient method to prepare aminonaphthalene derivatives in good yield using the Bucherer reaction under microwave irradiation in a closed vessel is described. A reaction time of 30 min at 150 Watts of ...
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(AMER CHEMICAL SOC,, 2006-01-23)The trimer [Co-3(mu-OOCCF3)(4)(mu-H2O)(2)(OOCCF3)(2)(H2O)(2)(C4H8O2)]center dot 2C(4)H(8)O(2) (1) is composed of three tetragonally distorted Coll centers bridged by four trifluoroacetates and two bridging water molecules. ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2001-07)The polyamine, cadaverine, was detected in transformed root cultures of Brugmansia candida (syn. Datuira candida), a Solanaceae which produces the tropane alkaloids scopolamine and hyoscyamine. To the best of our knowledge, ...
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(AMER CHEMICAL SOC, 2006-04-10)Three structures of novel cluster carboxylates of molybdenum(II) (la-c) and copper(II) (2) with the OOC-CCHCo2(CO)(6) ligand are presented. The solvent topology plays an important role in the formation of the crystal lattice ...
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(ELSEVIER SCI IRELAND LTD, 2002-10-04)It has previously been shown that adrenalectomy (ADX) produces apoptosis in the granule cell of the dentate gyrus (DG), and that this effect is prevented by corticosterone replacement. Thus, we have investigated how this ...
