Browsing by Title
Now showing items 24226-24245 of 92606
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(Springer, 2010)It is a planners’ common argument that one of the main sources of vacant land is developers’ speculation. Consequently, in order to reduce vacant land, it is also a common policy to charge extra taxes to this kind of ...
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(BMC, 2018-07-06)Background: Preventive health services play a vital role in population health. However, access to such services is not always equitably distributed. In this article, we examine the barriers affecting utilisation rates of ...
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(Springer New York LLC, 2017)© 2017, Springer Science+Business Media New York. Purpose: High mammographic breast density (BD) is a strong risk factor of breast cancer; however, little is known in women under 40 years of age. Recently, dual-energy X-ray ...
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(Universidad de Chile, 2017)El desarrollo de la siguiente tesis tiene el propósito de estudiar la factibilidad técnica, estratégica y económica de una plataforma online que ofrezca servicios kinésicos en el hogar, siendo el medio de conexión entre ...
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(Universidad de Chile, 2016)Marco teórico La caries se define como una enfermedad que progresivamente destruye la estructura dentaria debido a que los ácidos que producen las bacterias como producto de la fermentación de hidratos de carbono ...
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(Universidad de Chile, 2015)Introducción: El fluoruro juega un rol principal en la prevención y control de la caries, pero también es un factor importante de casos de fluorosis dental, tanto en comunidades con agua potable fluorada como no fluorada. ...
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(Universidad de ChileCyberDocs, 2010)
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(PERGAMON-ELSEVIER SCIENCE LTD, 2008-08-15)This work presents the development of analytical methodologies by UV spectrophotometry and HPLC to characterize five nitroarylbenzimidazole derivatives with activity against Trypanosoma cruzi: NB, BNB, PNB, PMNB and PCNB. ...
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(Sociedad Chilena de Quimica, 2014)© 2014, Sociedad Chilena de Quimica. All rights reserved.In this work are presented two methods for the simultaneous determination of 17α-ethinylestradiol (EEL) and chlormadinone acetate (CMA) by second order derivative ...
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(Elsevier Science Publishers B. V., 1997)Acid dissociation constants of α- and β-D-glucos-, mannos-, and galactos-ammonium ions have been determined from 1H NMR chemical shifts of the individual anomers in D2O. Values of pKa(D) for the α- and β-ammonium ions ...
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(2013)In this study, we investigated the potential antibacterial, antioxidant and anti-platelet activities and the inhibition of cholinesterase from the methanolic extracts obtained from aerial parts of the two species of Azorella: ...
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(ROYAL SOC CHEMISTRY, 2001)Two sensitive analytical atomic spectrometry methods, electrothermal atomic absorption spectrometry (ET-AAS) and hydride generation coupled to atomic fluorescence spectroscopy (HG-AFS), were optimized for determining total ...
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(Dove Medical, 2021)Purpose: The importance of studying polyphenolic compounds as natural antioxidants has encouraged the search for new methods of analysis that are quick and simple. The synthesis of silver nanoparticles (AgNPs) using plant ...
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(Sociedad Chilena de Quimica, 2013)As (III) was determined by differential pulse polarography (DPP) in 1 mol L-1 HCl as supporting electrolyte. For quantification, the -0.35 V peak (versus Ag/AgCl) was chosen. The obtained detection and quantification limits ...
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(SOCIEDAD CHILENA DE QUIMICA, 2003-03)A high performance thin layer chromatography (HPTLC) method for the determination of atrazine in aqueous soil extracts was studied. To verify the applicability of the method in environmental concern studies, soil samples ...
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(AOAC INTERNATIONAL, 2004-11)A new method for the sequential determination of attapulgite and nifuroxazide in pharmaceutical formulations by first- and second-derivative spectrophotometry, respectively, has been developed. In order to obtain the optimal ...
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(MDPI, 2021)Consumers' interest in foods that are nutritionally balanced and with health benefits has increased. The food industry is paying attention to the use of the ancestral seed Salvia hispanica L., commonly known as chia. At ...
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(2004)Background and aims: Air displacement plethysmography with the BOD-POD is a new densitometry technique, and has been found to be an accurate method to measure body composition. The aim of this study was to assess body ...
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(2002)Thermal decomposition of 1,4-dimethylnaphthalene endoperoxide (DMNE) as a source of singlet oxygen was used to measure chemical rate constants, k(R), for reactions between singlet oxygen, O-2((1)Delta(g)), and various ...
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(MDPI, 2018-06)Tetracyclines are important antimicrobial drugs for poultry farming that are actively excreted via feces and urine. Droppings are one of the main components in broiler bedding, which is commonly used as an organic fertilizer. ...
