Browsing by Title Artículos de revistas
Now showing items 513-532 of 2801
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(2008)Properties of inclusion complexes between morin (M) and β-cyclodextrin (βCD), 2-hydroxypropyl-β-cyclodextrin (HPβCD) and Heptakis (2,6-O-di methyl) β-cyclodextrin (DMβCD) such as aqueous solubility and the association ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2007-05)The slightly water-soluble flavonoid quercetin (QUE) and its inclusion with either beta-cyclodextrin (beta CD), hydroxypropyl-beta-cyclodextrin (HP-beta CD) or sulfobutyl ether-beta-cyclodextrin (SBE-beta CD) were investigated. ...
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(ELSEVIER SCI LTD, 2000-10-20)The Delta-[Co(III)bis(phenanthroline)(sucrose)](3+) complex forms with little perturbation of the sucrose conformation, and complexation by HO-2(g) and HO-1(f).
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(ELSEVIER SCIENCE BV, 1995-12-20)L-Sorbose and two molecules of 1,10-phenanthroline form a complex with Co(III) which has the Lambda configuration about Co(III), based on CD and ORD spectra, The H-1 NMR signals of alpha-L-sorbopyranose and its mixed ...
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(ELSEVIER SCIENCE BV, 1995-03-01)D-Fructose and 1,10-phenanthroline form complexes with Co(III). Configurations about Co(III) are assigned from the CD and ORD spectra of the separated Lambda and Delta diastereomers, and Lambda strongly predominates in the ...
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(ELSEVIER SCIENCE BV, 1993-02-01)D-Glucosamine and ammonia, 1,2-ethylenediamine, or 1,10-phenanthroline form complexes with Co(III)*. The complexes are: [Co(NH3)3-H2O-D-glucosamine]3+, [Co(en)2.D-glucosamine]2+ and [Co(phen)2.D-glucosamine]3+. Formation ...
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(Elsevier Ltd, 1996)The preparation and spectroscopic properties of mononuclear cationic complexes of rhodium(I) coordinated to the diolefin 2,5-norbornadiene (NBD) and to the heterocyclic nitrogen ligands 6,7-dihydrodipyrido-[2,3-b:3′,2′-j ...
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(2003)En este trabajo se realiza una evaluación estadística para conocer cómo influye la concentración del ionóforo y el disolvente mediador (DM) en la pendiente (S) y el Límite Práctico de Detección (LPD) de siete electrodos ...
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(Asociación de Químicos e Ingenieros del Instituto Químico de Sarría, 2003)The statistical evaluation of seven ion selective chemical sensors (ISE) for nitrate ion determination, based on polymeric membranes on a conductive support, has been carried out in this work. This was donw in order to ...
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Composición del aceite esencial de limón de pica (Citrus aurantifolia) por cromatografía gas líquido (Universidad de Santiago de Chile. Dirección de Investigaciones Científicas y Tecnológicas, 1980)Se analizó por cromatografía gas-líquido los componentes del aceite esencial de limón de "pica" (Citrus aurantifolia) y común (Citrus limonum). Se detectaron 33 componentes en el caso de limón de "pica" y 30 para el limón ...
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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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(Sociedad Latinoamericana de Nutrición, 2000)En el último tiempo se ha puesto un gran énfasis en el c.'<1udiode la presencia de ácidos grasas potiins3turados de Ja familia omega~3 en aJimentos de origen marino. debido a sus efectos beneficiosos descritos en relación ...
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(Sociedad Chilena de Tecnología de Alimentos, 1987)Se analizan muestras de chocolates: con leche en barra, de fantasía en barra, en polvo amargo, en polvo dulce y coberturas de helados para determinar la calidad y cantidad de la materia grasa como también el valor calórico ...
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(Wiley, 2020)Goldenberry is a wild fruit that has been widely used for centuries, mainly in folk medicine. Most studies of goldenberry have focused on the fruit, but new research has studied its byproducts, which were considered to ...
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(ELSEVIER SCIENCE BV, 2002-04-26)A computer assisted molecular modeling was used to design molecules having a shape complementary to the active site of glutathione reductase (GR) and trypanothione reductase (TR). The designed 5-nitro compound derivatives. ...
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(Institute of Agricultural and Food Information, 2014)The urea complexation was used to concentrate n-3 fatty acids (FA) from crude and refined commercial salmon oils. The experimental procedure included salmon oil saponification, free fatty acid (FFA) collection, formation ...
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(IST CHIMICA AGRARIA, UNIV PISA VIA S MICHELE DEGLI SCALZI, 1999-05)The content and the chemical forms of chromium, copper, nickel and zinc in allophanic and montmorillonitic soils, one of them irrigated exclusively with untreated sewage waters, were studied. To gain information about the ...
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(Wiley-VCH Verlag, 2018)© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim In this work, gamma-linolenic acid (GLA) and stearidonic acid (SDA) are successfully concentrated as free fatty acids (FFA) and ethyl esters (EE) using the urea complexation ...
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(2010)Hemocyanins are copper-containing glycoproteins in some molluscs and arthropods, and their bestknown function is O2 transport. We studied the site of their biosynthesis in the gastropod Concholepas concholepas by using ...
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(ENDOCRINE SOC, 2001-05)Gamma amino butyric acid (GABA) is the main inhibitory neuro-transmitter controlling LH-releasing hormone (LHRH) secretion in the mammalian hypothalamus. Whether alterations in GABA homeostasis within discrete regions of ...
