Search Results - "de Córdova, M.L. Fernández"

Analysis of 20 trace and minor elements in soy and dairy yogurts by ICP-MS by Llorent-Martínez, E.J., de Córdova, M.L. Fernández, Ruiz-Medina, A., Ortega-Barrales, P.

“…The content of 20 trace and minor elements in soy and dairy yogurts consumed in Spain has been determined using inductively coupled plasma-mass spectrometry…”
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Analysis of the legislated metals in different categories of olive and olive-pomace oils by Llorent-Martínez, E.J., Ortega-Barrales, P., Fernández-de Córdova, M.L., Ruiz-Medina, A.

“…The determination in olive oils of the legislated metals (As, Cu, Fe and Pb) by the International Olive Oil Council (IOC) has been carried out by inductively…”
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Investigation by ICP-MS of trace element levels in vegetable edible oils produced in Spain by Llorent-Martínez, E.J., Ortega-Barrales, P., Fernández-de Córdova, M.L., Domínguez-Vidal, A., Ruiz-Medina, A.

“…► We analyse 18 trace elements in edible oils from Spain by ICP-MS. ► Microwave digestion employing only nitric acid is used. ► Obtained values are compared…”
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Trends in flow-based analytical methods applied to pesticide detection: A review by Llorent-Martínez, E.J., Ortega-Barrales, P., Fernández-de Córdova, M.L., Ruiz-Medina, A.

“…Recent applications of flow-based analytical methods for pesticide determinations are reviewed. This review is focused on the description of electrochemical…”
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Fluorimetric determination of thiabendazole residues in mushrooms using sequential injection analysis by Llorent-Martínez, E.J., Fernández-de Córdova, M.L., Ruiz-Medina, A., Ortega-Barrales, P.

“…Thiabendazole is a benzimidazole fungicide of general use that is specifically used to control mushroom diseases, mainly cobweb diseases, which is caused by…”
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Quantitation of ochratoxin a in cereals and feedstuff using sequential injection analysis with luminescence detection by Llorent-Martínez, E.J., Ortega-Barrales, P., Fernández-de Córdova, M.L., Ruiz-Medina, A.

“…Ochratoxin A is one of the most important mycotoxins due to its global incidence and toxicity. Therefore, many countries have adopted regulations or guidelines…”
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Study of the quenching effect of quinolones over CdTe-quantum dots using sequential injection analysis and multicommutation by Molina-García, L., Llorent-Martínez, E.J., Fernández-de Córdova, M.L., Santos, J.L.M., Rodrigues, S.S.M., Ruiz-Medina, A.

“…•Mercaptopropionic acid-capped CdTe QDs fluorescence is quenched by quinolones.•SIA and MCFIA methodologies are used to develop automated flow systems.•Both…”
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novel multi-commutated method for the determination of hydroxytyrosol in enriched foods using mercaptopropionic acid-capped CdTe quantum dots by Llorent-Martínez, E.J, Molina-García, L, Fernández-de Córdova, M.L, Santos, J.L.M, Rodrigues, S.S.M, Ruiz-Medina, A

“…Hydroxytyrosol (HXT) has been reported to have beneficial effects for human health, such as antioxidant and antimicrobial properties and an important…”
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The potential of flow-through optosensors in pharmaceutical analysis by Molina Dı́az, A, Ruiz Medina, A, Fernández de Córdova, M.L

“…The fundamental principles of flow-through optosensors, together with the most significant procedures and alternatives developed in the applications of…”
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A flow-through solid phase UV spectrophotometric biparameter sensor for the sequential determination of ascorbic acid and paracetamol by Ruiz-Medina, A, Fernández-de Córdova, M.L, Ayora-Cañada, M.J, Pascual-Reguera, M.I, Molina-Dı́az, A

“…For the first time, a continuous flow system with solid phase UV spectrophotometric detection (an optosensor) is described for the sequential determination of…”
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Fast determination of paracetamol by using a very simple photometric flow-through sensing device by Ayora Cañada, M.J., Pascual Reguera, M.I., Ruiz Medina, A., Fernández de Córdova, M.L., Molina Dı́az, A.

“…A simple flow-through UV optosensing device was developed for the determination of paracetamol based on its transient retention and concentration on a suitable…”
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Simultaneous determination of thiamine and pyridoxine in pharmaceuticals by using a single flow-through biparameter sensor by ORTEGA BARRALES, P, DOMINGUEZ VIDAL, A, FERNANDEZ DE CORDOVA, M. L, MOLINA DIAZ, A

“…For the first time, an UV-photometric flow-through sensing device has been developed for the simultaneous determination of two cationic species (thiamine and…”
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A selective optosensor for UV spectrophotometric determination of thiamine in the presence of other vitamins B by Ortega Barrales, P, Fernández de Córdova, M.L, Molina Dı́az, A

“…A flow-through UV-photometric sensor for the rapid, sensitive and selective determination of thiamine in the presence of riboflavin, pyridoxine and…”
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Sensitive and selective determination of diclofenac sodium in pharmaceutical preparations by solid phase ultraviolet absorptiometry by Fernández de Córdova, M.L, Ortega Barrales, P, Molina Dı́az, A

“…A simple, sensitive and very selective spectrophotometric method for the determination of diclofenac sodium (DS) in pharmaceutical preparations is described…”
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Phenolic profile and antioxidant activity of Jasonia glutinosa herbal tea. Influence of simulated gastrointestinal in vitro digestion by Ortega-Vidal, J., Ruiz-Riaguas, A., Fernández-de Córdova, M.L., Ortega-Barrales, P., Llorent-Martínez, E.J.

“…•Phytochemical profile and antioxidant activity of J. glutinosa were studied.•Methanolic and aqueous extracts were rich in mono- and di-caffeoylquinic…”
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Indirect determination of ascorbic acid by solid-phase spectrophotometry by Ortega Barrales, P, Fernández de Córdova, M.L, Molina Dı́az, A

“…Solid-phase spectrophotometry (SPS) technique, in the visible region, was used for the spectrophotometric determination of ascorbic acid based on the reducing…”
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A rapid and selective solid-phase UV spectrophotometric method for determination of ascorbic acid in pharmaceutical preparations and urine by Medina, A.Ruiz, Fernández de Córdova, M.L, Molina Dı́az, A

“…Ascorbic acid was determined by a solid-phase UV spectrophotometry technique through the sorption of this on a dextran-type anion-exchange resin, Sephadex QAE…”
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Comparative study of the phytochemical and mineral composition of fresh and cooked broccolini by Llorent-Martínez, E.J., Ortega-Vidal, J., Ruiz-Riaguas, A., Ortega-Barrales, P., Fernández-de Córdova, M.L.

“…[Display omitted] •Changes in mineral content of broccolini after cooking are reported for the first time.•Broccolini is a good source of minerals like…”
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Characterization and comparison of the chemical composition of exotic superfoods by Llorent-Martínez, E.J., Fernández-de Córdova, M.L., Ortega-Barrales, P., Ruiz-Medina, A.

“…The mineral content and levels of trace elements in the main exotic food supplements, colloquially called superfoods, have been here determined using…”
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Automated optosensor for the determination of carbaryl residues in vegetable edible oils and table olive extracts by Ruiz-Medina, A., Llorent-Martínez, E.J., Fernández-de Córdova, M.L., Ortega-Barrales, P.

“…Carbaryl, which belongs to the carbamate family, is a broad-spectrum insecticide used to control over 100 species of insects. In this paper, we propose a…”
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