Category Archives: 5-nitroimidazoles

Development and validation of a QuEChERS method for the analysis of 5-nitroimidazole traces in infant milk-based samples by ultra-high performance liquid chromatography-tandem mass spectrometry

Posted on 14 June, 2018 by fqm302

QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) methodology in combination with UHPLC–MS/MS is proposed for the determination of 5-nitroimidazole (5-NDZ) residues in infant milk-based products. Chromatographic separation was accomplished in a C18 Zorbax Eclipse Plus RRHD (50 × 2.1 mm, 1.8 μm) column … Continue reading →

Posted in 5-nitroimidazoles, AGL2015-70708-R, Infant foods, Mass spectrometry, P12-AGR-1647, QuEChERS, UHPLC | Tagged , , | Comments Off on Development and validation of a QuEChERS method for the analysis of 5-nitroimidazole traces in infant milk-based samples by ultra-high performance liquid chromatography-tandem mass spectrometry

Simple and rapid determination of 5-nitroimidazoles and metabolites in fish roe samples by salting-out assisted liquid-liquid extraction and UHPLC-MS/MS.

Posted on 23 February, 2018 by fqm302

A novel multiresidue method is proposed for the determination of 12 5-nitroimidazoles and their metabolites in fish roe samples using UHPLC-MS/MS. A salting-out assisted liquid-liquid extraction procedure was performed prior to sample analysis. The separation of compounds was accomplished using … Continue reading →

Posted in 5-nitroimidazoles, Fish roe, Mass spectrometry, P12-AGR-1647, SALLE, UHPLC | Tagged , , | Comments Off on Simple and rapid determination of 5-nitroimidazoles and metabolites in fish roe samples by salting-out assisted liquid-liquid extraction and UHPLC-MS/MS.

Evaluation of a selective approach for the determination of 5-nitroimidazoles in aquaculture products by capillary liquid chromatography using molecularly imprinted solid-phase extraction

Posted on 6 November, 2017 by fqm302

Capillary liquid chromatography with UV detection is proposed for the determination of 5-nitroimidazole residues in aquaculture products. The separation was carried out in a C18 column at 20 °C, using a mobile phase consisting of water and acetonitrile, at 7 μL/min and … Continue reading →

Posted in 5-nitroimidazoles, Aquaculture products, Capillary HPLC, Crab, MIPs, P12-AGR-1647, Prawn, Salmon, Velvet swimming crab | Tagged , , | Comments Off on Evaluation of a selective approach for the determination of 5-nitroimidazoles in aquaculture products by capillary liquid chromatography using molecularly imprinted solid-phase extraction

A high-throughput UHPLC method for the analysis of 5-nitroimidazole residues in milk based on salting-out assisted liquid–liquid extraction.

Posted on 26 October, 2017 by fqm302

A novel salting-out assisted liquid–liquid extraction (SALLE) method has been developed for the extraction of eight 5-NDZ antibiotics from milk samples prior to their analysis by UHPLC. An exhaustive study of the parameters involved in the SALLE procedure has been … Continue reading →

Posted in 5-nitroimidazoles, Milk, P12-AGR-1647, SALLE, UHPLC, UV-vis | Tagged , , | Comments Off on A high-throughput UHPLC method for the analysis of 5-nitroimidazole residues in milk based on salting-out assisted liquid–liquid extraction.

Capillary electrophoresis-tandem mass spectrometry combined with molecularly imprinted solid phase extraction as useful tool for the monitoring of 5-nitroimidazoles and their metabolites in urine samples

Posted on 24 November, 2016 by fqm302

A novel capillary electrophoresis-tandem mass spectrometry approach is proposed for the determination of eleven 5-nitroimidazoles in urine samples for therapeutical drug monitoring purposes. A comparison between two separation modes, namely micellar electrokinetic chromatography and capillary zone electrophoresis was carried out, … Continue reading →

Posted in 5-nitroimidazoles, CZE, MEKC, MIPs, Mass spectrometry, P12-AGR-1647, Urine | Comments Off on Capillary electrophoresis-tandem mass spectrometry combined with molecularly imprinted solid phase extraction as useful tool for the monitoring of 5-nitroimidazoles and their metabolites in urine samples

Evaluation of the combination of micellar electrokinetic capillary chromatography with sweeping and cation selective exhaustive injection for the determination of 5-nitroimidazoles in egg samples

Posted on 27 July, 2016 by fqm302

A methodology is presented for the sensitive determination of nitromidazole residues in egg by means of micellar electrokinetic capillary chromatography in combination with cation selective exhaustive injection and ultraviolet detection. Six compounds have been considered and the separation has been … Continue reading →

Posted in 5-nitroimidazoles, CSEI, Eggs, MEKC, P12-AGR-1647, SPE, Sweeping, UV-vis | Tagged , | Comments Off on Evaluation of the combination of micellar electrokinetic capillary chromatography with sweeping and cation selective exhaustive injection for the determination of 5-nitroimidazoles in egg samples

Green methodology based on dispersive liquid–liquid microextraction and micellar electrokinetic chromatography for 5-nitroimidazole analysis in water samples

Posted on 19 September, 2013 by fqm302

Dispersive liquid–liquid microextraction has been proposed as an extraction technique combined with micellar  electrokinetic chromatography (MEKC) for the analysis of eight 5-nitroimidazole compounds, including some metabolites, in water samples. Determination has been carried out using a diode array detector, employing … Continue reading →

Posted in 5-nitroimidazoles, DLLME, MEKC, Sweeping, UV-vis, Water | Tagged , | Comments Off on Green methodology based on dispersive liquid–liquid microextraction and micellar electrokinetic chromatography for 5-nitroimidazole analysis in water samples

Novel solid phase extraction method for the analysis of 5-nitroimidazoles and metabolites in milk samples by capillary electrophoresis

Posted on 9 September, 2013 by fqm302

A new sample treatment has been developed for the extraction of 5-nitroimidazole (5-NDZ) drugs in milk samples previous to their determination by micellar electrokinetic chromatography (MEKC). Fat removing and protein precipitation were simultaneously carried out by the addition of trichloroacetic … Continue reading →

Posted in 5-nitroimidazoles, MEKC, Milk, SPE, Sweeping, UV-vis | Tagged , | Comments Off on Novel solid phase extraction method for the analysis of 5-nitroimidazoles and metabolites in milk samples by capillary electrophoresis

Determination of 5-nitroimidazoles and metabolites in environmental samples by micellar electrokinetic chromatography

Posted on 13 July, 2012 by fqm302

A method based on micellar electrokinetic chromatography (MEKC) with UV detection has been developed for the determination of nine 5-nitroimidazoles (5-NDZs), including metabolites in river water samples. Due to the relative insensitivity of UV detection in MEKC, a solid-phase extraction … Continue reading →

Posted in 5-nitroimidazoles, MEKC, SPE, Sweeping, UV-vis, Water | Tagged | Comments Off on Determination of 5-nitroimidazoles and metabolites in environmental samples by micellar electrokinetic chromatography

Desarrollo de un método MEKC para la determinación de 5-nitroimidazoles en aguas de río

Posted on 20 September, 2011 by fqm302

Los 5-nitroimidazoles (5-NDZs) son antimicrobianos con propiedades antibacterianas y antiprotozoarias. Debido a estas características se ha extendido su uso tanto como antibióticos humanos como veterinarios, mostrando eficacia contra la mayoría de bacterias anaerobias Gram negativas y algunas Gram positivas (Bacteroides … Continue reading →

Posted in 5-nitroimidazoles, Drugs, MEKC, SPE, Trabajo fin máster, UV-vis, Water | Comments Off on Desarrollo de un método MEKC para la determinación de 5-nitroimidazoles en aguas de río