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Mostrando ítems 1-10 de 113
Artículo
Theophilus Redwood, héroe de la farmacia británica, primer Presidente de “The Society of Public Analysts”. Parte I.
(Real Academia Nacional de Farmacia, 2018)
En este trabajo se incide en el tema de la adulteración de los alimentos en Gran Bretaña durante el siglo XVIII en la etapa previa a la creación de la “Society of Public Analysts”. En la lucha contra el fraude alimentario ...
Artículo
Comparative Study of Phenolic Profile, Antioxidant Capacity, and Color-composition Relation of Roselle Cultivars with Contrasting Pigmentation
(Springer Nature, 2016)
Roselle is a plant that accumulates anthocyanins significantly, hence its importance as food coloring and as a source of antioxidant compounds for human health. This study was aimed to determine phenolic composition and ...
Artículo
De la historia antigua de los métodos iodométricos de Robert Bunsen a Karoly Tham
(Real Academia Nacional de Farmacia, 2018)
La contribución más importante en el ámbito de la iodometría se debe a Bunsen, quien describe la determinación de una amplia variedad de sustancias oxidantes liberando el yodo a partir del ioduro potasio, y valorándolo con ...
Tesis Doctoral
Microextracción en fase Líquida usando membranas líquidas soportadas sobre fibras huecas (HF-LPME, Hollow Fiber Based Liquid Phase Microextraction) como procedimiento de preconcentración y limpieza para la determinación de fármacos en matrices biológicas
(2012)
El objetivo de esta Tesis Doctoral es el estudio y puesta a punto de diferentes metodologías de microextracción que implican el uso de membranas líquidas soportadas (supported liquid membrane, SLM) sobre fibras huecas de ...
Artículo
Proximate chemical composition and content of biologically active components in leaves of two quinoa cultivars (Salcedo and Altiplano) produced in Peru
(Academic Journals Inc., 2016)
Objective: The purpose of the presented study was to describe the proximate chemical composition and content of biologically active components in leaves of two quinoa cultivars (Salcedo and Altiplano) produced in Peru. ...
Artículo
Effect of clays and metal containers in retaining Sm3+ and ZrO2+ and the process of reversibility
(Walter de Gruyter, 2014)
Knowledge and understanding about radionuclides retention processes on the materials composing the engineered barrier (clay mineral and metallic container waste) are required to ensure the safety and the long-term performance ...
Artículo
Effects of in vitro gastrointestinal digestion on phenolic compounds and antioxidant activity of different white winemaking byproducts extracts
(Elsevier, 2018)
The effect of in vitro gastrointestinal digestion on phenolic composition and antioxidant activity of different white winemaking byproducts extracts (grape pomace and its parts: seeds, skins and stems) was evaluated. ...
Artículo
Determination of soluble ultra-trace metals and metalloids in rainwater and atmospheric deposition fluxes: A 2-year survey and assessment
(Elsevier, 2013)
The present work investigates the relationships between composition of rainwater and dry deposition fluxes by trace metals and metalloids. A modification in automatic “wet-only” and “dry-only” samplers was applied, which ...
Artículo
Fitting Nonlinear Calibration Curves: No Models Perfect
(Scientific Research Publishing, 2017)
The study of the calibration of a series of compounds of environmental concern (six perfluoroalkyl compounds (perfluorooctane sulfonic acid and five perfluoroalkyl carboxylic acids), three preservatives (methyl-, ethyl- ...
Artículo
Study of Zalema Grape Pomace: Phenolic Composition and Biological Effects in Caenorhabditis Elegans
(American Chemical Society, 2013)
The phenolic composition of the extractable fraction of Zalema grape pomace has been analyzed by HPLC-DAD-MS and consisted of mainly flavanols and flavonols (122.75 and 23.11 mg/100 g dry pomace, respectively). The antioxidant ...