Browsing by Issue Date Artículos de revistas
Now showing items 101-120 of 2801
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(1980)
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(La Societá, 1981)A urinary excretion study was conducted in six healthy male subjects to evaluate the percutaneous absorption of p-aminobenzoic acid (PABA) from three sunscreen preparations. The study was a crossover design and urine ...
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(Academic Pres Australia, 1981)Histone H2b phosphorylated by a cAMP dependent protein kinase was injected into Xenopus laevis oocytes and the hydrolysis of phosphate groups measured. Two hours after injection 60% of the (32p) histone radioactivity had ...
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(Pergamon Press, 1981)Complexes of Cu(II) with L-aminoacids have positive charge transfer bands in their CD spectra at ca.230 nm and negative at ca. 270 nm. Examination of complexes with L-1,2-diamino propane shows that the positive band is ...
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(Universidad de Santiago de Chile. Dirección de Investigaciones Científicas y Tecnológicas, 1981)El alcaloide principal de las hojas de Sophora macrocarpa Sm. es la matrina. También fueron aisladas e identificadas N-metilcitisina y citisina, asi como N-óxido de matrina y el soforanol (5α -hidroximatrina). Los ...
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(Sociedad Chilena de Nutrición, Bromatología y Toxicología, 1981)The changes in organoleptic characteristics in SMT cellophan-packed cakes were evaluated by a panel of eight experienced judges. Four different products, with and without either filling or coating, were tested after ...
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(Elsevier Science, 1981)
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(Sociedad Chilena de Nutrición, Bromatología y Tecnología, 1981)Organoleptic quality and nutritional value are important parameters in the evaluation of foodstuffs. Food entirely adequate from the nutritional point of view be rejected if is not acceptable because of colour, taste, ...
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(Pergamon Press Ltd., 1981)Mixed 1:1:1 complexes of proline or aspartic acid with Cu(II) and 9:10-phenanthroline (phen) or 2,2'bipyridine (bipy) show induced Cotton effects in the aromatic region. The effect is ascribed to interactionsbetween the ...
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(Pergamon Press Ltd., 1981)
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(1981)Defatted peanut flour was texturized in a Wenger X‐25 extruder at 25.1% moisture content and 140°C product temperature. Texturization did not have any significant effect on the amino acid pattern nor on the PER of defatted ...
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(1981)The IR and Raman spectra of solid diamminemercury(II) chloride with 14N/15N and H/D isotopic substitution have been measured. The spectra have been interpreted assuming D3d symmetry for the [Hg(NH3)2]2+ cations which have ...
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(1981)A subbituminous coal from La Union (Chile) has been treated with aqueous NaOH solutions. The quantity of coal solubilized and the elimination of ash was found to increase with increase in hydrolysis time, temperature and ...
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(Instituto Antártico Chileno, 1982)La especial situación geográfica de la Antártica y sus características meteorológicas hacen que el estudio de sus aerosoles atmosféricos sea particularmente interesante. En este trabajo se ha estudiado la composición ...
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Une méthode simple pour le traitement des filtres employés dans l'etude des aerosols atmosphériques. (Akadémiai Kiadó, 1982)A simple and rapid method for the multielement routine analysis of atmospheric particulate matter is described. The samples collected on four different types of filters were treated with HNO3 and HCl at 110-120 ºC in pyrex ...
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(Colegio Químico Farmacéutico de Chile, 1982)No tiene
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(Pergamon Press Ltd, 1982)During 1 yr, CO2-C losses from 7 agricultural soils containing 0,5-1,5% organic C ranged from 70 to 243 mg 100g-1 while losses from three allophanic soils containing 4,9-8,9% organic C varied from 92 to 191 mg. Losses as ...
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(Sociedad Chilena de Nutrición, Bromatología y Tecnología, 1982)The evaluation of the sensorial quality of tea was developed in order to complement the information obtained from physico-chemical analysis performed on different types of tea. The work was carried on with 12 samples, ...