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Recent Posts
- Toxic cyanopeptides monitoring in thermal spring water by capillary electrophoresis tandem mass spectrometry.
- Liquid chromatography-tandem mass spectrometry for the determination of multiple mycotoxins in serum through suspect screening and targeted approaches: Advancing human mycotoxin biomonitoring.
- Emerging mycotoxin occurrence in chicken feed and eggs from Algeria.
- HILIC-MS and CE-MS as complementary analytical approaches to assess the impact of exposure to polychlorinated biphenyls on the polar serum metabolome of pigs.
- Analytical challenges and opportunities in the study of endocrine disrupting chemicals within an exposomics framework.
Tags
Category Archives: Fluorescence
Mycotoxin occurrence in milk and durum wheat samples from Tunisia using dispersive liquid–liquid microextraction and liquid chromatography with fluorescence detection.
Food and feed contamination with mycotoxins is a major public health concern. Humans and animals are exposed to these toxins by consuming contaminated products throughout their lives. In this study, a method based on dispersive liquid–liquid microextraction (DLLME), followed by … Continue reading
Posted in Aflatoxins, DLLME, Durum wheat, Fluorescence, Milk, Mycotoxins, PID2021-127804OB-I00, PROYEXCEL_00195, Photo-induced, UHPLC
Tagged DLLME, Fluorescence, HPLC
Comments Off on Mycotoxin occurrence in milk and durum wheat samples from Tunisia using dispersive liquid–liquid microextraction and liquid chromatography with fluorescence detection.
Aspergillus section Flavi and aflatoxins in dried figs and nuts in Algeria
The presence of Aspergillus section Flavi and aflatoxin (AF) contamination was investigated in 112 samples of peanuts, almonds and dried figs collected in Algeria. The occurrence of aflatoxin B1 (AFB1), B2 (AFB2), G1 (AFG1) and G2 (AFG2) in different commodities has been determined with … Continue reading
Posted in AGL2015-70708-R, Aflatoxins, Dried fruit, HPLC, Mycotoxins, Nuts, Photo-induced, Solid-liquid extraction
Tagged Fluorescence, HPLC
Comments Off on Aspergillus section Flavi and aflatoxins in dried figs and nuts in Algeria
Ultra-high performance liquid chromatography with fluorescence detection following salting-out assisted liquid–liquid extraction for the analysis of benzimidazole residues in farm fish samples
Ultra-high performance liquid chromatography (UHPLC) coupled with fluorescence detection (FL) has been proposed for the first time to determine thirteen benzimidazoles (BZs) in farmed fish samples. In order to optimize the chromatographic separation, parameters such as mobile phase composition and … Continue reading
Posted in AGL2015-70708-R, Anthelmintic, Aquaculture products, Benzimidazoles, Fluorescence, P12-AGR-1647, SALLE, Sea bass, Sea bream, Trout, UHPLC
Tagged Fluorescence, SALLE, UHPLC
Comments Off on Ultra-high performance liquid chromatography with fluorescence detection following salting-out assisted liquid–liquid extraction for the analysis of benzimidazole residues in farm fish samples
Simple determination of aflatoxins in rice by ultra-high performance liquid chromatography coupled to chemical post-column derivatization and fluorescence detection
A fast and simple analytical method was developed and characterized for the determination of aflatoxins (B1, B2, G1 and G2) in rice. The procedure is based on a simple solid-liquid extraction without further clean-up, and analysis by ultra-high performance liquid … Continue reading
Posted in AGL2015-70708-R, Aflatoxins, Fluorescence, Rice, Solid-liquid extraction, UHPLC
Tagged Fluorescence, UHPLC
Comments Off on Simple determination of aflatoxins in rice by ultra-high performance liquid chromatography coupled to chemical post-column derivatization and fluorescence detection
Determination of aflatoxins in yogurt by dispersive liquid – liquid microextraction and HPLC with photo-induced fluorescence detection.
A high-performance liquid chromatography (HPLC) method with fluorescence detection for the determination of aflatoxins B1, B2, G1, G2, and M1 in yogurt using dispersive liquid–liquid microextraction as alternative sample treatment has been developed. To enhance the fluorescence of aflatoxins B1 … Continue reading
Posted in AGL2015-70708-R, Aflatoxins, DLLME, HPLC, P12-AGR-1647, Photo-induced, Yogurt
Tagged DLLME, HPLC
Comments Off on Determination of aflatoxins in yogurt by dispersive liquid – liquid microextraction and HPLC with photo-induced fluorescence detection.
Method optimization and validation for the determination of eight sulfonamides in chicken muscle and eggs by modified QuEChERS and liquid chromatography with fluorescence detection
A simple, effective and reliable method for the determination of eight sulfonamide antibiotics (sulfadiazine, sulfapiridine, sulfamerazine, sulfamethazine, sulfachloropiridazine, sulfamethoxazole, sulfadoxine, sulfadimethoxin) in chicken muscle and eggs by liquid chromatography and fluorescence detection has been developed and validated. Sulfonamides do not … Continue reading
Posted in Chicken muscle, Eggs, Fluorescence, P12-AGR-1647, QuEChERS, Sulfonamides
Tagged HPLC
Comments Off on Method optimization and validation for the determination of eight sulfonamides in chicken muscle and eggs by modified QuEChERS and liquid chromatography with fluorescence detection
On-line anion exchange solid-phase extraction coupled to liquid chromatography with fluorescence detection to determine quinolones in water and human urine
An analytical method based on on-line solid-phase extraction coupled to liquid chromatography with fluorescence detection has been developed to determine quinolones in tap water and human urine. A home-made setup was used to percolate 10 mL of sample through a solid-phase … Continue reading
Posted in Fluorescence, Quinolones, Urine, Water, on-line SPE
Tagged HPLC, SPE
Comments Off on On-line anion exchange solid-phase extraction coupled to liquid chromatography with fluorescence detection to determine quinolones in water and human urine
Alternative sample treatments for the determination of sulfonamides in milk by HPLC with fluorescence detection
This paper presents two sample treatments, dispersive liquid–liquid microextraction (DLLME) and QuEChERS for the determination of 9 sulfonamides, regulated by the EU Council in milk samples. Both methods represent useful alternatives to conventional procedures based mainly in solid-phase extraction, in … Continue reading
Posted in DLLME, Fluorescence, Milk, QuEChERS, Sulfonamides
Tagged HPLC
Comments Off on Alternative sample treatments for the determination of sulfonamides in milk by HPLC with fluorescence detection
Determination of ochratoxin A in wines by capillary liquid chromatography with laser induced fluorescence detection using dispersive liquid–liquid microextraction
A method based on reverse phase capillary high performance liquid chromatography (capillary HPLC) coupled to laser-induced fluorescence detection (LIF) has been proposed for the determination of ochratoxin A (OTA) in wine samples. An anionic micellar medium was added to the … Continue reading
Posted in Capillary HPLC, DLLME, LIF, Mycotoxins, Wine
Tagged HPLC
Comments Off on Determination of ochratoxin A in wines by capillary liquid chromatography with laser induced fluorescence detection using dispersive liquid–liquid microextraction
Comparison of different sample treatments for the analysis of ochratoxin A in wine by capillary HPLC with laser-induced fluorescence detection
Ochratoxin A (OTA) is a mycotoxin naturally found in various foods, including wine. As OTA is considered as a possible human carcinogen, the maximum concentration for this compound has been established at 2 μg kg−1 in wine by the EU (Directive (CE) … Continue reading
Posted in Capillary HPLC, DLLME, Ionic liquids, LIF, Mycotoxins, QuEChERS, Wine
Tagged HPLC
Comments Off on Comparison of different sample treatments for the analysis of ochratoxin A in wine by capillary HPLC with laser-induced fluorescence detection