Facultad de Ciencias Químicas y Farmacéuticas: Recent submissions
Now showing items 1421-1440 of 4850
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(2012)A high-performance liquid chromatography (HPLC) method for the determination of urocanic acid isomers extracted from human skin has been developed. Urocanic acid is a compound present in skin, accumulated in trans form ...
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(2013)A molecularly imprinted polypyrrole polymer-based film and its properties regarding the recognition of gallic acid were investigated. The polypyrrole film was prepared by including a template molecule during the ...
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(2012)In this study, two series of dihydropyridine-fused and pyridine-fused coumarins were synthesised and electrochemically characterised in aprotic medium. In both series, the most easily reducible groups were the endocyclic ...
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(2013)Quinoa protein extracts (Q) were prepared and alkalised at pH 8 and 12 (Q-8 and Q-12). Qs were mixed with chitosan (CH) to form Q/CH mixtures. The optimal proportion of the mixtures was determined by the formation of ...
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(2012)The electrochemical response of a glassy carbon electrode modified with carbon nanotubes (CNT) dispersed in two solvents, water and DMF, and two polymers, chitosan and Nafion is reported. The films were homogeneous when ...
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(2012)The potential of microwave-assisted liquid-liquid and solid phase extraction coupled with fluorescence spectroscopy and employing one- to three-way spectral data was assessed in terms of their capacity for the rapid detection ...
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(2012)It was examined the efficacy of Monascus purpureus standardized extract (Mp) on the endothelial dysfunction (ED) of rat aortic rings caused by oxidative stress as a consequence of their exposition to a high glucose ...
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(Sociedad Chilena de Quimica, 2012)The efficiency of the adsorption process of the fungicides Captan and Thiram was studied in four Chilean soils from the VI [O'Higgins, (HGS)], VII [Talcarehue, (THL)], VIII [Diguillin, (DIG)] and Metropolitan [Maipo, (MAO)] ...
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(2013)A new nitrooxoisoaporphine derivative was synthetized and characterized by cyclic voltammetry and electron spin resonance. Its aqueous solubility was improved by complexes formation with β-cyclodextrin, heptakis(2,6-di-O- ...
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(2012)The process of muscle remodeling lies at the core of most cardiovascular diseases. Cardiac adaptation to pressure or volume overload is associated with a complex molecular change in cardiomyocytes which leads to anatomic ...
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(Sociedad Chilena de Quimica, 2012)Biosolid model samples (BMSs) were developed to study the capacity of various matrixes to adsorb polybrominated diphenyl ethers (PBDEs) as a function of their composition. A commercial standard reference samples for biosolids ...
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(Magnolia Press, 2015)Copyright © 2015 Magnolia Press. The hairy long-nosed armadillo, currently referred as Dasypus (Cryptophractus) pilosus, is an enigmatic species endemic to montane cloud forests and subparamo of Peruvian Andes. Its strikingly ...
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(2012)The structure of the title compound, poly[(dihydrogenphosphato-?O)(mu 3-hydrogenphosphato)di-mu-oxido-(1,10-phenanthroline)copper(II)vanadium(V)], [CuV(HPO4)(H2PO4)O2(C12H8N2)]n, is defined by [(phen)Cu mu-(?2O:O'-VP2O10 ...
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(2012)Inclusion of the organometallic MLn = [HOC 5H 4N• Cp 2TiCl][PF 6] (1), HOC 5H 4N• W(CO) 5 (2), HOC 5H 4N•Mo(CO) 5 (3), [HOC 6H 4CH 2CN•Cp 2TiCl] [PF 6] (4), HOC 6H 4CH 2CN•W(CO) 5 (5) and HOC 6H 4CH 2CN•Mo(CO) 5 (6) into ...
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(2012)Photoisomerization of a protein bound chromophore is the basis of the light sensing and signaling responses of many photoreceptors. Z-to-E photoisomerization of the Pr Cph1Δ2 phytochrome has been investigated by polarization ...
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(2012)This article presents the most recent research in analytical chemistry concerning the development of rapid methodologies covering the period from 2009 up until today. In this context, different useful analytical methods ...
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(2012)The leading cause of death in diabetic patients is cardiovascular disease; diabetic cardiomyopathy is typified by alterations in cardiac morphology and function, independent of hypertension or coronary disease. However, ...
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(Elsevier, 2010)The present manuscript describes studies of the electron transfer kinetics at gold electrodes modified by electrostatic self-assemblies of polyethylenimine (PEI), DNA and gold nanoparticles (NP) by Scanning Electrochemical ...
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(2012)The intracellularly-occurring Cu(I)-glutathione complex (Cu(I)-[GSH] 2) has the ability to reduce molecular oxygen into superoxide. Removal of such radicals leads to the irreversible conversion of Cu(I)-[GSH] 2 into the ...
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(2011)This work reports the electrochemical response of the complex between dsDNA and PEI formed in solution and at the surface of glassy carbon electrodes (GCE) modified with a dispersion of multi-walled carbon nanotubes in ...