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Recent Posts
- Assessing human exposure to pesticides and mycotoxins: optimization and validation of a method for multianalyte determination in urine samples.
- Capillary electrophoresis tandem mass spectrometry to determine multiclass cyanotoxins in reservoir water and spinach samples.
- Determination of bile acids in serum of pigs exposed to polychlorinated biphenyls by liquid chromatography-mass spectrometry.
- Mycotoxin occurrence in milk and durum wheat samples from Tunisia using dispersive liquid–liquid microextraction and liquid chromatography with fluorescence detection.
- Deeper insights into the effects of low dietary levels of polychlorinated biphenyls on pig metabolism using gas chromatography-high resolution mass spectrometry metabolomics.
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Category Archives: SPE
Novel solid phase extraction method for the analysis of 5-nitroimidazoles and metabolites in milk samples by capillary electrophoresis
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
Analysis of cephalosporin residues in environmental waters by capillary zone electrophoresis with off-line and on-line preconcentration
A sensitive and reliable method using capillary zone electrophoresis with UV-diode array detection (CZE-DAD) has been developed and validated for trace determination of cephalosporin antibiotics in spring water, groundwater and river water matrices. Due to the lack of sensitivity of … Continue reading
Posted in Antibiotics, CZE, Cephalosporins, LVSS, SPE, UV-vis, Water
Tagged CE
Comments Off on Analysis of cephalosporin residues in environmental waters by capillary zone electrophoresis with off-line and on-line preconcentration
Determination of 5-nitroimidazoles and metabolites in environmental samples by micellar electrokinetic chromatography
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
Determination of carbamates at trace levels in water and cucumber by capillary liquid chromatography
A sensitive and reliable method using capillary HPLC with UV-diode array detection (DAD) has been developed and validated for trace determination of carbamate pesticides in cucumber and environmental water samples. The analytes, including carbofuran, carbaryl, methiocarb, promecarb, benthiocarb and fenoxycarb, … Continue reading
Posted in Capillary HPLC, Carbamates, Chromatography, Food, Pesticides, SPE, UV-vis, Vegetables, Water
Comments Off on Determination of carbamates at trace levels in water and cucumber by capillary liquid chromatography
Desarrollo de un método MEKC para la determinación de 5-nitroimidazoles en aguas de río
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
Sensitive determination of fluoroquinolone residues in waters by capillary electrophoresis with laser induced fluorescence detection
A sensitive capillary electrophoresis –laser-induced fluorescence method has been developed for the determination of six fluoroquinolones of human (ofloxacin, lomefloxacin, and norfloxacin) and veterinary use (danofloxacin, enrofloxacin, and sarafloxacin) in different kinds of water. Fluorescence detection was achieved using a … Continue reading
Posted in Antibiotics, CZE, Electrophoresis, Fluorescence, LIF, Quinolones, SPE, Water
Tagged CE
Comments Off on Sensitive determination of fluoroquinolone residues in waters by capillary electrophoresis with laser induced fluorescence detection
