Browsing by Issue Date Artículos de revistas
Now showing items 1021-1040 of 2801
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(PERGAMON-ELSEVIER SCIENCE LTD, 2003-11-03)The reaction of (+)-euryfuran 1 with several benzo-, naphtho- and benzo[b]thiophene-1,4-quinones in acetic acid yields the corresponding euryfuryl-1.4-quinones 3, 5, 7, 8, 10, 12, and 14. The structure of compounds 7, 8, ...
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(ELSEVIER SCIENCE BV, 2003-11-24)The effect of the incorporation of the non-ionic surfactant sucrose palmitate in dioctadecyldimethylammonium chloride(DODAC) large unilamellar vesicles was studies by using several spectroscopic techniques. Significant ...
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(WILEY-V C H VERLAG GMBH, 2003-11-24)The use of grafted poly(propylene) (PP) and a random copolymer of ethylene and propylene (EPR) with an itaconic acid derivative, monomethyl itaconate (MMI), as compatibilizer for PP/EPR blends was analyzed. The grafting ...
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(SOCIEDAD CHILENA DE QUIMICA, 2003-12)The Electron Spin Resonance (ESR) spectra of radicals obtained from two new potential antitrypanosomal drugs by Trypanosoma cruzi reduction were analyzed. DMPO Spin Trapping was used to investigate the possible formation ...
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(AMER CHEMICAL SOC, 2003-12-12)3-Amino-delta-valerolactams trans-11a-c were synthesized through conjugate addition and Curtius rearrangement and converted into Fmoc-{Trp-Gly}, Fmoc-{Ile-Gly}, and Fmoc-{Phe-Gly} pseudo-dipeptides. Conformational analyses ...
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(GEORG THIEME VERLAG KG, 2003-12-18)The synthesis and characterization of a series of 4-nitrosophenyl-1.4-dihydropyridines derived from the respective nitro compounds of pharmacological interest is described. The complete synthetic pathway is based on the ...
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(GEORG THIEME VERLAG KG, 2003-12-18)The synthesis and characterization of a series of 4-nitrosophenyl-1.4-dihydropyridines derived from the respective nitro compounds of pharmacological interest is described. The complete synthetic pathway is based on the ...
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(Colegio de Farmacéuticos de la Provincia de Buenos Aires, 2004)En este trabajo se hace una revisión de los sistemas matriciales en lo que concierne a su formulación, concepción, diseño y sus propiedades biofarmacéuticas. Estos sistemas se caracterizan por retardar y regular la ...
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(Sociedad Chilena de la Ciencia del Suelo, 2004)Se propone una nueva metodología para hacer el seguimiento de los metales pesados y nutrientes en suelos tratados con residuos orgánicos eventualmente peligrosos y que reemplaza el uso de lisímetros. El método consiste ...
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(Sociedad Española de Cardiología, 2004)El carvedilol es un antagonista adrenérgico con acción antioxidante y un demostrado beneficio sobre la mortalidad en insuficiencia cardíaca (IC). El objetivo de este estudio es evaluar, en pacientes con insuficiencia ...
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(Sociedad Española de Endocrinología y Nutrición, 2004)El estrés, como un mecanismo general de respuesta simpática exagerada, involucra grandes cambios en la homeostasis del organismo. No existen dudas acerca de las alteraciones que provoca el estrés, tanto en el comportamiento ...
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(2004)The crystal structure of copper compound, [Cu2(VO 2)(HPO4)2 (NO3)(bpy)2].X was studied. These chemically isostructural systems were obtained by hydrothermal methods, which differ in the solvate molecules stabilizing the ...
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(Verlag der Zeitschrift fur Naturforschung, 2004)The effect of different photon flux densities (PFD) and temperatures on the relative growth rate (RGR) and the concentration of three halogenated monoterpenes in samples of Plocamium cartilagineum L.( Dixon), a marine alga ...
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(2004)Gelation of fresh (unfrozen) raw surimi-type paste (RS paste) from horse mackerel (T. murphyi) was studied in the presence of κ-carrageenan (0.5, 1, 2% Cκ) and KCl (0.5-2%) as a substitute for NaCl. Gelation was traced by ...
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(2004)The authors analyze under an ethical and legal perspective the consequences and anxieties generated by the human genome project in the population of four Latin American countries: Argentine, Chile, México and Perú, through ...
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(2004)A series of dinuclear iron (III) complexes with carboxylate bridges, of the type [Fe2L2(H20)4](NO 3)2(H2O)m (m=1-3), where L=Schiff base derived from L-α-amino acids and salicylaldehyde have been prepared and characterised ...
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(2004)The pathway for the in vitro equilibrium unfolding of the tubulin heterodimer by guanidinium chloride (GdmCl) has been studied using several spectroscopic techniques, specifically circular dichroism (CD), two-photon ...
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(Ediciones Doyma, S.L., 2004)Introduction and objective. Carvedilol is an antioxidant and adrenergic antagonist with demonstrated benefits in terms of mortality from heart failure (HF). The aim of the present study was to evaluate clinical parameters, ...
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(2004)Detection of O2(1Δg) emission, λmax=1270 nm, following laser excitation and steady-state methods were employed to measure total reaction rate constants, k T, for the reaction between singlet oxygen and the antimalarial ...
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(2004)A potentiometric all-solid-state type ion-selective electrode (ISE) for NO3 - was constructed and characterized. It is based on a mixture of tetra-decyl-ammonium nitrate (TDAN) as ionophore, di-butyl phthalate (DBP) as ...