Search Results - "Romero González, R"

Multiclass method for fast determination of veterinary drug residues in baby food by ultra-high-performance liquid chromatography–tandem mass spectrometry by Aguilera-Luiz, M.M., Martínez Vidal, J.L., Romero-González, R., Garrido Frenich, A.

“…► Analysis of veterinary drug residues in baby food by UHPLC-MS/MS. ► Application of a simple and fast extraction method based on QuEChERS approach. ►…”
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Simultaneous determination of pesticides, biopesticides and mycotoxins in organic products applying a quick, easy, cheap, effective, rugged and safe extraction procedure and ultra-high performance liquid chromatography–tandem mass spectrometry by Romero-González, R., Garrido Frenich, A., Martínez Vidal, J.L., Prestes, O.D., Grio, S.L.

“…A method for the simultaneous determination of pesticides, biopesticides and mycotoxins from organic products was developed. Extraction of more than 90…”
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Compensation for matrix effects in gas chromatography–tandem mass spectrometry using a single point standard addition by Garrido Frenich, Antonia, Martínez Vidal, José Luis, Fernández Moreno, José Luis, Romero-González, R.

“…One of the major problems in quantitative analysis of pesticide residues in food samples by gas chromatography–tandem mass spectrometry (GC–MS/MS) is the…”
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Multiresidue method for fast determination of pesticides in fruit juices by ultra performance liquid chromatography coupled to tandem mass spectrometry by Romero-González, R., Frenich, A. Garrido, Vidal, J.L. Martínez

“…A new analytical method for the simultaneous determination of 90 pesticides in fruit juices by ultra performance liquid chromatography coupled to tandem mass…”
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Simultaneous analysis of chlorophenols, alkylphenols, nitrophenols and cresols in wastewater effluents, using solid phase extraction and further determination by gas chromatography–tandem mass spectrometry by Padilla-Sánchez, J.A., Plaza-Bolaños, P., Romero-González, R., Barco-Bonilla, N., Martínez-Vidal, J.L., Garrido-Frenich, A.

“…An analytical methodology has been developed for the simultaneous extraction of 13 phenolic compounds, including chlorophenols (CPs), nitrophenols (NTPs),…”
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Rapid and sensitive on-line solid phase extraction-ultra high performance liquid chromatography–electrospray-tandem mass spectrometry analysis of pesticides in surface waters by Hurtado-Sánchez, M.C., Romero-González, R., Rodríguez-Cáceres, M.I., Durán-Merás, I., Frenich, A. Garrido

“…•Fast analysis of polar pesticides in water samples by on line-SPE-UHPLC–MS/MS.•Method is easily automatable and requires minimal sample volume and sample…”
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Food contaminant analysis at high resolution mass spectrometry: Application for the determination of veterinary drugs in milk by Romero-González, R., Aguilera-Luiz, M.M., Plaza-Bolaños, P., Frenich, A. Garrido, Vidal, J.L. Martínez

“…► Determination of veterinary drugs in milk by UHPLC coupled to high resolution mass spectrometry. ► Comparison of two screening/confirmation methods based on…”
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Comparison of the efficiency of different extraction methods for the simultaneous determination of mycotoxins and pesticides in milk samples by ultra high-performance liquid chromatography-tandem mass spectrometry by Aguilera-Luiz, M. M, Plaza-Bolaños, P, Romero-González, R, Martínez Vidal, J. L, Frenich, A. Garrido

“…A rapid multi-analyte method has been developed for the simultaneous determination of pesticides and mycotoxins in milk by ultra high-performance liquid…”
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Application of hollow fibre liquid phase microextraction for the multiresidue determination of pesticides in alcoholic beverages by ultra-high pressure liquid chromatography coupled to tandem mass spectrometry by Bolaños, P. Plaza, Romero-González, R., Frenich, A. Garrido, Vidal, J. L. Martínez

“…An alternative method has been developed to determine more than 50 pesticides in alcoholic beverages using hollow fibre liquid phase microextraction (HF-LPME)…”
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Metabolomic analysis of host plant resistance to thrips in wild and cultivated tomatoes by Mirnezhad, Mohammad, Romero-González, Roman R, Leiss, Kirsten A, Choi, Young Hae, Verpoorte, Robert, Klinkhamer, Peter G.L

“…Introduction - Western flower thrips (Frankliniella occidentalis) are among the most serious crop pests worldwide. Control of thrips mainly depends on…”
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Spermiogenesis and biflagellate spermatozoon of the teleost fish Lampanyctus crocodilus (Myctophiformes, Myctophidae): ultrastructure and characterisation of its sperm basic nuclear proteins by Ribes, E, Cheema, M, González-Romero, R, Lloris, D, Ausió, J, Saperas, N

“…We undertook an ultrastructural study of the spermiogenesis of the lanternfish Lampanyctus crocodilus (Myctophiformes, Myctophidae) with special emphasis on…”
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Salting-out gradients in centrifugal partition chromatography for the isolation of chlorogenic acids from green coffee beans by Romero-González, Roman R., Verpoorte, Robert

“…In addition to sample solubility constraints, the use of polarity gradients in normal-phase centrifugal partition chromatography (CPC) for the purification of…”
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Simultaneous determination of selected veterinary antibiotics in gilthead seabream ( Sparus Aurata) by liquid chromatography–mass spectrometry by ROMEROGONZALEZ, R, LOPEZMARTINEZ, J, GOMEZMILAN, E, GARRIDOFRENICH, A, MARTINEZVIDAL, J

“…A method was optimised and validated for simultaneous monitoring of several drugs of different classes of antibiotics such as quinolones (oxilinic acid and…”
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Can erbium dopant occupy both cation sites in cubic barium titanate via a mechanism different than self-compensation? by Zulueta, Y. A., Guerrero, F., Leyet, Y., Anglada-Rivera, J., González-Romero, R. L., Meléndez, Juan J.

“…The defect energetics for several dopant incorporation modes and the dielectric–electric properties in Er‐doped BaTiO3 were studied by numerical simulations…”
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Determination of ochratoxin A and T-2 toxin in alcoholic beverages by hollow fiber liquid phase microextraction and ultra high-pressure liquid chromatography coupled to tandem mass spectrometry by Romero-González, R., Frenich, A. Garrido, Vidal, J.L. Martínez, Aguilera-Luiz, M.M.

“…A new method for the determination of ochratoxin A and T-2 toxin in alcoholic beverages (wine and beer) by hollow fiber liquid microextraction was optimized…”
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Comparison of ultrasonic and pressurized liquid extraction for the analysis of polycyclic aromatic compounds in soil samples by gas chromatography coupled to tandem mass spectrometry by Barco-Bonilla, N., Vidal, J.L. Martínez, Garrido Frenich, A., Romero-González, R.

“…A pressurized liquid extraction (PLE) method has been optimized for the determination of polycyclic aromatic hydrocarbons (PAHs) in soil samples and it was…”
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Comparison of solid phase microextraction and hollow fiber liquid phase microextraction for the determination of pesticides in aqueous samples by gas chromatography triple quadrupole tandem mass spectrometry by Garrido Frenich, Antonia, Romero-González, R, Martínez Vidal, José Luis, Martínez Ocaña, R, Baquero Feria, P

“…This work compares two miniaturised sample preparation methods, solid phase microextraction (SPME) and hollow fiber liquid phase microextraction (HF-LPME), in…”
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Characterization of recovery profiles using gas chromatography-triple quadrupole mass spectrometry for the determination of pesticide residues in meat samples by Garrido-Frenich, A., Romero-González, R., Martínez-Vidal, J.L., Plaza-Bolaños, P., Cuadros-Rodríguez, L., Herrera-Abdo, M.A.

“…The assessment of the recovery factor with the analyte concentration in meat samples has been studied for the determination of organochlorine and…”
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Gallbladder selection for histopathological analysis based on a simple method: a prospective comparative study by Romero-González, R J, Garza-Flores, A, Martínez-PérezMaldonado, L, Díaz-Elizondo, J A, Muñiz-Eguía, J J, Barbosa-Quintana, A

“…After a cholecystectomy, the current and traditional practice is to send each resected gallbladder to the pathologist for analysis. Some reports have suggested…”
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LC-MS Determination of Sterols in Olive Oil by Martínez-Vidal, J. L, Garrido-Frenich, A, Escobar-García, M. A, Romero-González, R

“…Sterols in olive oils have been analyzed by liquid chromatography coupled to mass spectrometry with atmospheric-pressure chemical ionization in positive-ion…”
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