Search Results - "Alonso, J. I."

A Provenance Study of Early Bronze Age Artefacts Found in Asturias (Spain) by Means of Metal Impurities and Lead, Copper and Antimony Isotopic Compositions by Reguera‐Galan, A., Barreiro‐Grille, T., Moldovan, M., Lobo, L., Blas Cortina, M. Á., García Alonso, J. I.

“…We describe here the first combined isotopic and impurities study on 27 copper artefacts found in the north‐west of Spain. This study follows previous studies…”
Get full text

Sulfur analysis by inductively coupled plasma-mass spectrometry: A review by Giner Martínez-Sierra, J., Galilea San Blas, O., Marchante Gayón, J.M., García Alonso, J.I.

“…In recent years the number of applications of sulfur (S) analysis using inductively coupled plasma mass spectrometry (ICP-MS) as detector has increased…”
Get full text

Evaluation of uncertainty sources in the determination of testosterone in urine by calibration-based and isotope dilution quantification using ultra high performance liquid chromatography tandem mass spectrometry by Pitarch-Motellón, J., Roig-Navarro, A.F., Sancho, J.V., Ibáñez, M., Fabregat-Cabello, N., Pozo, O.J., Ventura, Rosa, García Alonso, J.I., Rodríguez-González, Pablo, González Gago, Adriana, Ereño Artabe, Amaia, Van Eenoo, Peter, Deventer, Koen, Dehnes, Yvette, Rzeppa, Sebastian

“…•Uncertainty assessment through intra- and inter-laboratory reproducibility.•Internal standard calibration and isotope pattern deconvolution (IPD) were…”
Get full text

Lateral POC transport and consumption in surface and deep waters of the Canary Current region: A box model study by Alonso‐González, I. J., Arístegui, J., Vilas, J. C., Hernández‐Guerra, A.

“…We have estimated the lateral transport and consumption, from surface to 3000 m, of suspended particulate organic carbon (POC), through a box model approach,…”
Get full text

Isotopic Composition of Lead in Copper Ores and a Copper Artefact from the La Profunda Mine (León, Spain) by Huelga-Suarez, G., Moldovan, M., Suárez Fernández, M., de Blas Cortina, M. Ángel, García Alonso, J. I.

“…This paper continues the characterization of the lead isotopic fingerprint of ancient copper mines in the north‐west of Spain. In this work, the lead isotopic…”
Get full text

The submarine volcano eruption at the island of El Hierro: physical-chemical perturbation and biological response by Fraile-Nuez, E., González-Dávila, M., Santana-Casiano, J. M., Arístegui, J., Alonso-González, I. J., Hernández-León, S., Blanco, M. J., Rodríguez-Santana, A., Hernández-Guerra, A., Gelado-Caballero, M. D., Eugenio, F., Marcello, J., de Armas, D., Domínguez-Yanes, J. F., Montero, M. F., Laetsch, D. R., Vélez-Belchí, P., Ramos, A., Ariza, A. V., Comas-Rodríguez, I., Benítez-Barrios, V. M.

“…On October 10 2011 an underwater eruption gave rise to a novel shallow submarine volcano south of the island of El Hierro, Canary Islands, Spain. During the…”
Get full text

Cd-induced phytochelatin synthesis in Dittrichia viscosa (L.) Greuter is determined by the dilution of the culture medium by Fernández, R, Fernández-Fuego, D, Rodríguez-González, P, Alonso, J. I. García, Bertrand, A, González, A

“…In this paper, we examined Cd accumulation and PC synthesis in two clones of Dittrichia viscosa, one with a metallicolous (DV-A) and the other with a…”
Get full text

Development of a Direct Procedure for the Measurement of Sulfur Isotope Variability in Beers by MC-ICP-MS by Giner Martínez-Sierra, J, Santamaria-Fernandez, R, Hearn, R, Marchante Gayón, J. M, García Alonso, J. I

“…In this work, a multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS) was evaluated for the direct measurement of sulfur stable isotope…”
Get full text

Regional and temporal variability of sinking organic matter in the subtropical northeast Atlantic Ocean: a biomarker diagnosis by Alonso-González, I. J., Arístegui, J., Lee, C., Calafat, A.

“…Sinking particles through the pelagic ocean have been traditionally considered the most important vehicle by which the biological pump sequesters carbon in the…”
Get full text

LEAD ISOTOPIC ANALYSIS OF COPPER ORES FROM THE SIERRA EL ARAMO (ASTURIAS, SPAIN) by HUELGA-SUAREZ, G., MOLDOVAN, M., SUÁREZ FERNÁNDEZ, M., DE BLAS CORTINA, M. ÁNGEL, VANHAECKE, F., GARCÍA ALONSO, J. I.

“…This study presents the first ever lead isotope ratio data for copper ore samples (malachite and azurite) from the Sierra El Aramo (Asturias, northwestern…”
Get full text

Application of Isotope Dilution Analysis for the Evaluation of Extraction Conditions in the Determination of Total Selenium and Selenomethionine in Yeast-Based Nutritional Supplements by Hinojosa Reyes, L, Marchante-Gayón, J. M, García Alonso, J. I, Sanz-Medel, A

“…Isotope dilution analysis (IDA) has been used to quantify total selenium, total solubilized selenium, and the selenomethionine (SeMet) amount in yeast and…”
Get full text

Large-Signal Oscillator Design Procedure Utilizing Analytical X-Parameters Closed-Form Expressions by Pelaez-Perez, A. M., Woodington, S., Fernandez-Barciela, M., Tasker, P. J., Alonso, J. I.

“…New analytical behavioral model formulations based on the polyharmonic distortion (PHD) model have been successfully used to describe the nonlinear behavior of…”
Get full text

Sulphur tracer experiments in laboratory animals using 34S-labelled yeast by Martínez-Sierra, J. Giner, Sanz, F. Moreno, Espílez, P. Herrero, Gayón, J. M. Marchante, Fernández, J. Rodríguez, Alonso, J. I. García

“…We have evaluated the use of 34 S-labelled yeast to perform sulphur metabolic tracer experiments in laboratory animals. The proof of principle work included…”
Get full text

Spatial Variability of Cadmium and Lead in Natural Soils of a Humid Mediterranean Environment: La Rioja, Spain by Iñigo, V., Andrades, M. S., Alonso-Martirena, J. I., Marín, A., Jiménez-Ballesta, R.

“…The concentration levels of cadmium and lead in 250 horizon samples from 125 different soil profiles of undisturbed soils of La Rioja, Spain, were determined…”
Get full text

Multivariate Statistical and GIS-Based Approach for the Identification of Mn and Ni Concentrations and Spatial Variability in Soils of a Humid Mediterranean Environment: La Rioja, Spain by Iñigo, Victoria, Andrades, Marisol, Alonso-Martirena, J. I., Marín, Alvaro, Jiménez-Ballesta, Raimundo

“…The goal of the present work was to increase our knowledge on the behavior of manganese and nickel in soil within a Mediterranean environment. The study…”
Get full text

Cardiac and Pulmonary Ultrasound for Diagnosing TRALI by Rico-Feijoo, J., García-Saiz, I., García-Bernardo, C., Prieto-Recio, J. R., Alonso-Fernández, J. I., Aldecoa, C.

“…Unexpected acute respiratory failure after anesthesia is a diagnostic challenge: residual neuromuscular blockade, bronchial hyperresponsiveness, laryngospasm,…”
Get full text

Use of enriched ⁷⁴Se and ⁷⁷Se in combination with isotope pattern deconvolution to differentiate and determine endogenous and supplemented selenium in lactating rats by González Iglesias, H, Fernández Sánchez, M. L, García Alonso, J. I, Sanz-Medel, A

“…A quantitative methodology has been developed to differentiate between endogenous and supplemented selenium in lactating rats using two enriched selenium…”
Get full text

Assembly and Study of Different Mercury Cells with Known Impurity Content and Isotopic Composition by del Campo, D., Chimenti, V., Reyes, J., Castrillón, J. A. Rodríguez, Moldovan, M., Alonso, J. I. García

“…The “Centro Español de Metrología” is carrying out a project to improve the knowledge of the influence of impurities and isotopic composition on the…”
Get full text

Speciation of basal aluminium in human serum by fast protein liquid chromatography with inductively coupled plasma mass spectrometric detection by Soldado Cabezuelo, A B, Montes Bayón, M, Blancon González, E, Garcia Alonso, J I, Sanz-Medel, A

“…The coupling of fast protein liquid chromatography (FPLC) with inductively couples plasma mass spectrometry (ICP-MS) was evaluated as a technique for studying…”
Get more information

Stress-induced Curie temperature increase in the Fe64Ni36 invar alloy by Gorria, Pedro, Boada, Roberto, Fernández-Martínez, Alejandro, Garbarino, Gastón, Smith, Ronald I., Chaboy, Jesús, Alonso, J. I. García, Martínez-Blanco, David, Castro, German R., Mezouar, Mohamed, Hernando, Antonio, Blanco, Jesús A.

“…Structural and magnetic changes on invar Fe64Ni36 alloy (TC = 500 K) produced by mechanical milling followed by heating up to 1073 K, were investigated by…”
Get full text