Browsing by Title Artículos de revistas
Now showing items 429-448 of 2801
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(Elsevier, 2014)© 2014 Elsevier B.V. This work presents a green and very simple approach which enables the accurate and simultaneous determination of benzo[a]pyrene, dibenz[a,h]anthracene, benz[a]anthracene, and chrysene, concerned and ...
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(SOCIEDAD CHILENA DE QUIMICA, 2005-03)Molecular recognition based on chirality has fundamental importance in many biological processes. Deuterium quadrupole splittings from the aromatic ring and mesophase components of two series of optical isomers, L-and ...
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(Elsevier Ltd, 2019)The aim of this work was to improve the performance of quinoa protein/chitosan edible films on the extension of postharvest life of blueberries and tomato cherries by addition of chitosan thymol nanoparticles prepared by ...
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(Hindawi, 2020)Oncolytic virus therapy has been tested against cancer in preclinical models and clinical assays. Current evidence shows that viruses induce cytopathic effects associated with fusogenic protein-mediated syncytium formation ...
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(1983)1. 1. Prazosin, haloperidol, propranolol or timolol had no effect on the electrically evoked muscular twitch. 2. 2. Atropine was able to antagonize competitively acetylcholine (pA2 = 9.29 ± 0.30). 3. 3. The muscular twitch ...
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(2004)Histones from the parasitic platyhelminthes, Echinococcus granulosus and Fasciola hepatica, were systematically characterized. Core histones H2A, H2B, H3 and H4, which were identified on the basis of amino acid sequencing ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2002-04)Metallothionein (MT) and reduced glutathione (GSH) play an important role in the intracellular handling of copper by preventing the generation and favouring the removal of copper-derived free radicals. The present study ...
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(SOC STUDY REPRODUCTION, 2003-06)We studied the effects of a chronic intermittent cold stress regime on sympathetic nerve activation and ovarian physiology. This paradigm (4degreesC for 3 h/day, Monday-Friday, for 3 or 4 wk) does not affect basal plasma ...
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(Elsevier, 2022)Stress-related disorders display differences at multiple levels according to sex. While most studies have been conducted in male rodents, less is known about comparable outcomes in females. In this study, we found that the ...
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(Frontiers media SA, 2017)Previous studies in rats have demonstrated that chronic restraint stress triggers anhedonia, depressive-like behaviors, anxiety and a reduction in dendritic spine density in hippocampal neurons. In this study, we compared ...
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(2009)In rat ovary chronic cold stress increases sympathetic nerve activity, modifies follicular development, and initiates a polycystic condition. To see whether there is a relationship between the previously described changes ...
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Chronocoulometry diffusion coefficients as a measure of cyclodextrin-estradiol complex association (ELSEVIER SCIENCE SA, 2008-10-15)The formation of inclusion complexes between estradiol and p-cyclodextrin (CD), sulfobutyleter-beta-CD (SBCD) and hydroxypropil-beta-CD (HPCD) was studied by chronocoulometric and differential pulse voltammetry. In presence ...
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(1996)The result obtained from different studies of the chronopharmacokinetics of some controlled-release tablets of theophylline are variable, since some authors report differences while others do not. At our laboratory we have ...
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(Sociedad Chilena de Química, 1993)Este documento da una visión general del estado de esta disciplina, el que se elaboró a partir de la información solicitada a los investigadores del sistema universitario, estableciendo los Grupos de Investigación, sus ...
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(Academia de Estudios Prof. Alfoso Leng, 1991)La evolución: un gran proceso creador y unificador. Los sistemas basados en grandes ideas unificadoras suelen asociarse, conciente o inconcientemente, con pensamientos o creencias acerca del destino humano y de su origen. ...
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(Sociedad Chilena de Química, 1996)Se propone un método de análisis por inyección en flujo (FIA) con flujo interrumpido para la determinación simultánea de cobre y zinc. El método se basa en las diferentes velocidades en que se produce la reacción entre ...
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(Frontiers Media, 2021)An increased risk of atrial fibrillation (AF) has been demonstrated in high-performance athletes. Soluble vascular adhesion molecule-1 (sVCAM-1), a biomarker involved in inflammation and cardiac remodeling, is associated ...
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(GUSTAV FISCHER VERLAG, 1997-05)A light-dependent bleaching of plastids was induced in lemon seedlings through cultivation in the presence of the herbicide Norfluorazon (NFZ). Also, etiolated seedlings were obtained by cultivation under continuous dark ...