Buscar
Mostrando ítems 31-40 de 325
Artículo
Monitoring Virgin Olive Oil Shelf-Life by Fluorescence Spectroscopy and Sensory Characteristics: A Multidimensional Study Carried Out under Simulated Market Conditions
(MDPI, 2020-12)
The control of virgin olive oil (VOO) freshness requires new tools that reflect the diverse chemical changes that take place during the market period. Fluorescence spectroscopy is one of the techniques that has been ...
Artículo
Predicting extra virgin olive oil freshness during storage by fluorescence spectroscopy
(CSIC, 2017)
Virgin olive oil quality relates to flavor and unique health benefits. Some of these properties are at the most desirable level when the oil is just extracted, since it is not a product that improves with age. On ...
Artículo
Lichens as biomonitors for the determination of polycyclic aromatic hydrocarbons (PAHs) in Caracas Valley, Venezuela
(Taylor & Francis, 2011)
Biomonitoring of PAH air pollution using lichens was carried out. Sixteen PAHs were studied in 11 locations along the valley of Caracas (Venezuela). The results of this work indicate that 14 of the 16 analysed PAHs were ...
Artículo
A selective and efficient microfluidic method-based liquid phase microextraction for the determination of sulfonamides in urine samples
(Elsevier, 2021)
Liquid phase microextraction (LPME) into a microfluidic has undergone great advances focused on downscaled and miniaturized devices. In this work, a microfluidic device was developed for the extraction of sulfonamides in ...
Artículo
Electromembrane Extraction Based on Biodegradable Materials: Biopolymers as Sustainable Alternatives to Plastics
(Elsevier, 2023)
Green and environmentally friendly approaches are increasingly necessary when developing new analytical methodologies. Electromembrane extraction (EME) has contributed to this by offering new alternatives to the traditional ...
Artículo
Effect of regulated deficit irrigation on quality parameters, carotenoids and phenolics of diverse tomato varieties (Solanum lycopersicum L.)
(Elsevier, 2017)
This study aims to evaluate the effects of regulated deficit irrigation (RDI) and of cluster position (CI: first and second cluster; CII: third and fourth cluster; CIII: fifth and sixth cluster) on fruit quality parameters, ...
Artículo
A New Microchip Design. A Versatile Combination of Electromembrane Extraction and Liquid-Phase Microextraction in a Single Chip Device
(American Chemical Society, 2018-08-09)
For thefirst time, a novel and versatile microfluidic device wasdeveloped to achieve the possibility of combining different extraction principlesusing a miniaturized approach for the extraction of different classes of ...
Artículo
Preparación y realización de un programa de prácticas experimentales para asignaturas del área de Toxicología: motivación positiva en el aprendizaje teórico-práctico de Toxicología
(Universidad de Sevilla, 2000)
El presente trabajo tiene por objeto diseñar y elaborar un programa de prácticas para asignaturas del Área de Toxicología. Las etapas del proceso seguido son: selección previa de actividades prácticas que permitan la ...
Artículo
Bioaccumulation and biochemical responses in the peppery furrow shell Scrobicularia plana exposed to a pharmaceutical cocktail at sub-lethal concentrations
(Elsevier, 2022)
Pharmaceutical drugs in the aquatic medium may pose significant risk to non-target organisms. In this study, the potential toxicity of a mixture of three compounds commonly detected in marine waters (ibuprofen, ciprofloxacin ...