Examinar por departamento (eus.) "Kimika analitikoa"
Now showing items 1-20 of 320
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1H–NMR fingerprinting and supervised pattern recognition to evaluate the stability of virgin olive oil during storage
(Elsevier, 2020-12-24)Metabolomic fingerprinting of virgin olive oil (VOO) by 1H NMR spectroscopy was used to study its stability during storage simulating normal shelf life conditions during its commercialization. A representative set of VOOs ... -
4D · arte rupestre. Monitorización del Abrigo del Buen Aire I (Jumilla), Cueva del Mediodia (Yecla), Cañaica del Calar II (Moratalla), Abrigo Grande de Minateda (Hellín) y Solana de las Covachas (Nerpio)
(Dirección General de Bienes Culturales, Servicio de Patrimonio Histórico, (Murcia), 2016)La gestión del patrimonio cultural y, en particular, del arte rupestre precisa de un conjunto de acciones que deben partir necesariamente del conocimiento que de ese bien se tenga en las administraciones públicas. La ... -
A First Evaluation of the Usefulness of Kudzu Starch in Cultural Heritage Restoration
(Nature, 2020-09-24)In recent times, the use of natural and harmless products for the environment and restorer is taking place in the field of Cultural Heritage restoration. In this sense, wheat, rice and corn starches as adhesives, have ... -
A Liposomal Formulation to Exploit the Bioactive Potential of an Extract from Graciano Grape Pomace
(MDPI, 2022)Antioxidant compounds with health benefits can be found in food processing residues, such as grape pomace. In this study, antioxidants were identified and quantified in an extract obtained from Graciano red grape pomace ... -
A microfluidic column of water index-matched packed microspheresfor label-free observation of water pollutants
(Springer Nature, 2021-03-28)A microfluidic, label-free optical sensor for water pollutants, which is based on a packed micro-column of microspheres with refractive index similar to that of water, is presented. The perfluoropolyether microspheres are ... -
A Non-Invasive In Situ Spectroscopic Analysis of Cinnabar Minerals to Assist Provenance Studies of Archaeological Pigments
(MDPI, 2023-01-23)This study presents a non-invasive in situ methodology based on the use of portable elemental (energy dispersive X-ray fluorescence spectroscopy, EDXRF) and molecular (Raman spectroscopy) spectroscopic-based instrumentation ... -
A non-invasive study of the effect of three commercial cleaning products on shellac-coated mahogany
(Elsevier, 2023-02-01)The Royal Palace of Norway has a large 19th century wooden furniture collection and most of it is coated with shellac-based varnishes. Since these objects are part of the royal collections, they are still in daily use at ... -
A novel SPE-UHPLC-DAD method for the determination of fumagillin produced by Aspergillus fumigatus in cell culture media
(Elsevier, 2021-10)[EN]Fumagillin is a biomolecule produced by Aspergillus fumigatus that is gaining relevance due to its connection with invasive aspergillosis. The determination of this molecule might help to understand the propagation of ... -
A Rapid Routine Methodology Based on Chemometrics to Evaluate the Toxicity of Commercial Infant Milks Due to Hazardous Elements
(Springer, 2022)The toxicity and the health risk assessment associated to the presence of some hazardous elements (HEs) in dried (infant formula and powdered) milks due to manufacturing and packaging process, raw materials used, environmental ... -
A study of the artistic corpus of red cave paintings in El Buxu cave (Cangas de Onís, Asturias, Spain)
(Elsevier, 2022-09-25)El Buxu cave, which is located in the village of Cardes (Cangas de Onís, Asturias), has been studied since the 1980s, with multiple excavations taking place inside the cave. This work has uncovered a complete artistic corpus, ... -
Adaptive coatings based on polyaniline for direct 2D observation of diffusion processes in microfluidic systems
(Elsevier, 2016-08)[EN] Therefore the understanding and proper evaluation of the flow and mixing behaviour at microscale becomes a very important issue. In this study, the diffusion behaviour of two reacting solutions of HCI and NaOH were ... -
Advances in Microtechnology for Improved Cytotoxicity Assessment
(Frontiers Media, 2020-11-20)In vitro cytotoxicity testing is essential in the pharmaceutical and environmental industry to study the effects of potential harmful compounds for human health. Classical assays present several disadvantages: they are ... -
Alginate Bead Biosystem for the Determination of Lactate in Sweat Using Image Analysis
(MDPI, 2021-10-09)Lactate is present in sweat at high concentrations, being a metabolite of high interest in sport science and medicine. Therefore, the potential to determine lactate concentrations in physiological fluids, at the point of ... -
Alterations and Contaminations in Ceramics Deposited in Underwater Environments: An Experimental Approach
(MDPI, 2021-07-15)Ancient ceramics recovered after a long burial period have probably undergone several alterations and contaminations, introducing a chemical variability, affecting the ceramic’s natural variability. That is, the chemical ... -
An archaeometrical approach to the majolica pottery from Alcazar de Najera archaeological site
(Springer, 2019-05-22)The city of Nájera, located in the north of the Iberian Peninsula, hosts an alcazar of Arab origin, which became the residence of the king of Pamplona-Nájera and later of the duke and duchess of Nájera. From this last ... -
An electroactive and thermo-responsive material for the capture and release of cells
(Elsevier, 2021-06-05)Non-invasive collection of target cells is crucial for research in biology and medicine. In this work, we combine a thermo-responsive material, poly(N-isopropylacrylamide), with an electroactive material, poly(3,4-ethyle ... -
An innovative multidisciplinary methodology to evaluate the conservation state of cultural sites as a whole: Casa di Diana (OSTIA ANTICA, ITALY)
(2017-02-21)Los sitios arqueológicos, también definibles como museos abiertos, son particularmente complicados de estudiar debido a los numerosos estresores ambientales que condicionan su estado de conservación. Las metodologías de ... -
Analytical and chemometrical approaches for bioimaging, sensing and metabolomics
(2016-06-30)Tesi honetan batu dira hiru bi proiektutan egindako lanak. Alde batetik, hipertermia magnetikoari dagokionez, gibeletako tumoreen aurkako terapian hain zuzen, bi lan eraman dira aurrera. Lehengoa izan da FT-IR eta Raman ... -
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Analytical Approach to in vitro studies of the echinocandin Caspofungin
(2020-07-24)It is known that invasive fungal infections have become a concern around the world due to the morbidity and mortality shown. The main responsible of these infections are aspergillus, cryptococcus and candida genus. However, ...