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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.
Tags
Author Archives: fqm302
Determination of sulfonylurea pesticide residues in edible seeds used as nutraceuticals by QuEChERS in combination with ultra-high-performance liquid chromatography-tandem mass spectrometry
This work proposes a novel Quick, Easy, Cheap, Effective, Rugged, and Safe (QuEChERS) method in combination with ultra-high performance liquid chromatography-tandem mass spectrometry for the determination of sulfonylurea residues in edible seeds. The chromatographic separation of nine sulfonylureas was accomplished … Continue reading
Posted in AGL2015-70708-R, Mass spectrometry, QuEChERS, Seeds, Sulfonylurea, UHPLC
Tagged MS, QuEChERS, UHPLC
Comments Off on Determination of sulfonylurea pesticide residues in edible seeds used as nutraceuticals by QuEChERS in combination with ultra-high-performance liquid chromatography-tandem mass spectrometry
A first approach using micellar electrokinetic capillary chromatography for the determination of fipronil and fipronil‐sulfone in eggs
Fipronil is an insecticide that is not approved in the European Union in food. In 2017, fipronil was involved in a European health alert due to its presence in fresh hen eggs because of an illicit use in poultry farms, … Continue reading
Posted in AGL2015-70708-R, Eggs, Fipronil, MEKC, Pesticides, SALLE, UV-vis
Tagged CE, SALLE, UV-Vis
Comments Off on A first approach using micellar electrokinetic capillary chromatography for the determination of fipronil and fipronil‐sulfone in eggs
Monitoring of cyanotoxins in water from hypersaline microalgae colonies by ultra high performance liquid chromatography with diode array and tandem mass spectrometry detection following salting-out liquid-liquid extraction.
In this study two different analytical approaches have been developed to determine the presence of several cyanotoxins in saline water samples from a continental salt marsh. A salting-out assisted liquid-liquid extraction (SALLE) has been used in combination with ultra-high performance … Continue reading
Posted in Cyanotoxins, Mass spectrometry, RTI2018-097043-B-I00, SALLE, UHPLC, UV-vis, Water
Tagged MS, SALLE, UHPLC, UV-Vis
Comments Off on Monitoring of cyanotoxins in water from hypersaline microalgae colonies by ultra high performance liquid chromatography with diode array and tandem mass spectrometry detection following salting-out liquid-liquid extraction.
Plant-based milks: unexplored source of emerging mycotoxins. A proposal for the control of enniatins and beauvericin using UHPLC-MS/MS
Mycotoxins have become one of the most common contaminants reported worldwide. Current legislation has established maximum levels only for some well-known mycotoxins; however, there are many other “emerging mycotoxins” for which there is no regulation, as enniatins and beauvericin. An … Continue reading
Posted in AGL2015-70708-R, Enniatins, Mass spectrometry, SALLE, UHPLC, Vegetable milks
Tagged MS, SALLE, UHPLC
Comments Off on Plant-based milks: unexplored source of emerging mycotoxins. A proposal for the control of enniatins and beauvericin using UHPLC-MS/MS
Ion mobility spectrometry in food analysis: principles, current applications and future trends.
In the last decade, ion mobility spectrometry (IMS) has reemerged as an analytical separation technique, especially due to the commercialization of ion mobility mass spectrometers. Its applicability has been extended beyond classical applications such as the determination of chemical warfare … Continue reading
Posted in Food, Ion mobility, Review
Comments Off on Ion mobility spectrometry in food analysis: principles, current applications and future trends.
Occurrence of mycotoxins in swine feeding from Spain.
A survey including 228 pig feed samples from Spain has been developed, exploring the occurrence of 19 mycotoxins (aflatoxins B1, B2, G1 and G2, ochratoxin A, fumonisins B1 and B2, citrinin, zearalenone, deoxynivalenol, fusarenon X, sterigmatocystin, T-2 toxin, HT-2 toxin, … Continue reading
Posted in AGL2015-70708-R, Animal feed, Mycotoxins, Review
Comments Off on Occurrence of mycotoxins in swine feeding from Spain.
Screening of extraction properties of nanofibers in a sequential injection analysis system using a 3D printed device.
A novel application of the three-dimensional printing technology for the automation of solid phase extraction procedures in a low-pressure sequential injection analysis system is presented. A 3D printed device was used as a housing for nanofiber membranes in solid phase … Continue reading
Posted in Sequential injection analysis, automated SPE
Comments Off on Screening of extraction properties of nanofibers in a sequential injection analysis system using a 3D printed device.
In-house validation of a rapid and efficient procedure for simultaneous determination of ergot alkaloids and other mycotoxins in wheat and maize
A fundamental step in addressing the global problem of mycotoxins is the development of highly sensitive, multi-class extraction and detection methods. This constitutes a field of research that has in recent years enjoyed a steady advance. Such methods, generally based … Continue reading
Posted in AGL2015-70708-R, Maize, Mass spectrometry, SALLE, UHPLC, Wheat
Tagged MS, SALLE, UHPLC
Comments Off on In-house validation of a rapid and efficient procedure for simultaneous determination of ergot alkaloids and other mycotoxins in wheat and maize
Collision cross section (CCS) as a complementary parameter to characterize human and veterinary drugs
In the context of human and veterinary drugs identification, ion mobility spectrometry (IMS) in combination with mass spectrometry (MS) may provide a relevant complementary piece of information to mass-to-charge ratio (m/z), the so-called collision-cross-section (CCS). Up to now, however, the … Continue reading
Posted in AGL2015-70708-R, Benzimidazoles, Ion mobility, P12-AGR-1647
Comments Off on Collision cross section (CCS) as a complementary parameter to characterize human and veterinary drugs