Tag Archives: MS

Deeper insights into the effects of low dietary levels of polychlorinated biphenyls on pig metabolism using gas chromatography-high resolution mass spectrometry metabolomics.

Posted on 6 September, 2023 by fqm302

Polychlorinated biphenyls (PCBs) are a class of contaminants of great concern, linked to the development of many chronic diseases. Adverse effects of PCBs have been documented in humans after accidental and massive exposure. However, little is known about the effect … Continue reading →

Posted in Contaminants, GC, Mass spectrometry, Metabolomics, PID2020–120020RA-I00, Pig serum, Polychlorinated biphenyls | Tagged , , | Comments Off on Deeper insights into the effects of low dietary levels of polychlorinated biphenyls on pig metabolism using gas chromatography-high resolution mass spectrometry metabolomics.

Determination of multiclass cyanotoxins in blue-green algae (BGA) dietary supplements using hydrophilic interaction liquid chromatography-tandem mass spectrometry.

Posted on 7 February, 2023 by fqm302

In recent years, the consumption of blue-green algae (BGA) dietary supplements is increasing because of their health benefits. However, cyanobacteria can produce cyanotoxins, which present serious health risks. In this work we propose hydrophilic interaction liquid chromatography coupled with tandem … Continue reading →

Posted in B-AGR-202-UGR20, Blue-green algae, Cyanotoxins, HILIC, Mass spectrometry, RTI2018-097043-B-I00, SPE | Tagged , , | Comments Off on Determination of multiclass cyanotoxins in blue-green algae (BGA) dietary supplements using hydrophilic interaction liquid chromatography-tandem mass spectrometry.

Ion mobility-mass spectrometry to extend analytical performance in the determination of ergot alkaloids in cereal samples.

Posted on 26 September, 2022 by fqm302

This work evaluates the potential of ion mobility spectrometry (IMS) to improve the analytical performance of current liquid chromatography-mass spectrometry (LC-MS) workflows applied to the determination of ergot alkaloids (EAs) in cereal samples. Collision cross section (CCS) values for EA … Continue reading →

Posted in Barley, Ergot alkaloids, Ion mobility, PID2021-127804OB-I00, QuEChERS, UHPLC, Wheat | Tagged , , | Comments Off on Ion mobility-mass spectrometry to extend analytical performance in the determination of ergot alkaloids in cereal samples.

Non-aqueous capillary electrophoresis–time of flight mass spectrometry method to determine emerging mycotoxins.

Posted on 26 September, 2022 by fqm302

Enniatins (ENN) and beauvericin (BEA) are emerging mycotoxins that have been traditionally determined by liquid chromatography coupled to tandem mass spectrometry (LC–MS/MS). However, to the best of our knowledge, no analytical methods based on capillary electrophoresis (CE)–MS/MS have been reported … Continue reading →

Posted in B-AGR-202-UGR20, EQC2018-004453-P, Enniatins, Mass spectrometry, Mycotoxins, NACE, RTI2018-097043-B-I00, SALLE, Wheat | Tagged , , | Comments Off on Non-aqueous capillary electrophoresis–time of flight mass spectrometry method to determine emerging mycotoxins.

Sweeping-micellar electrokinetic chromatography with tandem mass spectrometry as an alternative methodology to determine neonicotinoid and boscalid residues in pollen and honeybee samples.

Posted on 19 April, 2022 by fqm302

In this work, it is proposed for the first time an electrophoretic approach based on micellar electrokinetic chromatography coupled with tandem mass spectrometry (MEKC-MS/MS) for the simultaneous determination of nine neonicotinoids (NNIs) together with the fungicide boscalid in pollen and … Continue reading →

Posted in B-AGR-202-UGR20, EQC2018-004453-P, Honeybees, Insects, MEKC, Mass spectrometry, Neonicotinoids, Pesticides, Pollen, QuEChERS, RED2018-102522-T, RTI2018-097043-B-I00, Sweeping | Tagged , , , | Comments Off on Sweeping-micellar electrokinetic chromatography with tandem mass spectrometry as an alternative methodology to determine neonicotinoid and boscalid residues in pollen and honeybee samples.

Multiclass cyanotoxin analysis in reservoir waters: Tandem solid-phase extraction followed by zwitterionic hydrophilic interaction liquid chromatography-mass spectrometry.

Posted on 29 November, 2021 by fqm302

The presence of cyanobacteria and cyanotoxins in all water bodies, including ocean water and fresh water sources, represents a risk for human health as eutrophication and climate change are enhancing their level of proliferation. For risk assessment and studies on … Continue reading →

Posted in Cyanotoxins, HILIC, Mass spectrometry, RTI2018-097043-B-I00, SPE, Water | Tagged , , | Comments Off on Multiclass cyanotoxin analysis in reservoir waters: Tandem solid-phase extraction followed by zwitterionic hydrophilic interaction liquid chromatography-mass spectrometry.

Determination of principal ergot alkaloids in swine feeding

Posted on 2 September, 2021 by fqm302

Ergot alkaloids are secondary metabolites produced by fungi in the genus Claviceps. They contaminate a large variety of cereals, such as rye, triticale, wheat and barley. The ingestion of contaminated cereals might cause adverse health effects in humans and animals. … Continue reading →

Posted in Animal feed, Ergot alkaloids, Mass spectrometry, QuEChERS, RTI2018-097043-B-I00, UHPLC | Tagged , , | Comments Off on Determination of principal ergot alkaloids in swine feeding

Determination of the main ergot alkaloids and their epimers in oat-based functional foods by ultra-high performance liquid chromatography tandem mass spectrometry.

Posted on 18 June, 2021 by fqm302

An ultra-high performance liquid chromatography coupled to tandem mass spectrometry method is proposed for the determination of the major ergot alkaloids (ergometrine, ergosine, ergotamine, ergocornine, ergokryptine, ergocristine) and their epimers (ergometrinine, ergosinine, ergotaminine, ergocorninine, ergokryptinine, and ergocristinine) in oat-based foods … Continue reading →

Posted in Ergot alkaloids, Mass spectrometry, Mycotoxins, Oat, QuEChERS, RTI2018-097043-B-I00, UHPLC | Tagged , , | Comments Off on Determination of the main ergot alkaloids and their epimers in oat-based functional foods by ultra-high performance liquid chromatography tandem mass spectrometry.

Occurrence of ergot alkaloids in barley and wheat from Algeria

Posted on 28 April, 2021 by fqm302

The natural occurrence of six major ergot alkaloids, ergometrine, ergosine, ergotamine, ergocornine, ergokryptine and ergocristine, as well as their corresponding epimers, were investigated in 60 cereal samples (barley and wheat) from Algeria. Ultra-high performance liquid chromatography coupled to tandem mass … Continue reading →

Posted in Barley, Ergot alkaloids, Mass spectrometry, Mycotoxins, QuEChERS, RTI2018-097043-B-I00, UHPLC, Wheat | Tagged , , | Comments Off on Occurrence of ergot alkaloids in barley and wheat from Algeria

Determination of sulfonylurea pesticide residues in edible seeds used as nutraceuticals by QuEChERS in combination with ultra-high-performance liquid chromatography-tandem mass spectrometry

Posted on 13 April, 2020 by fqm302

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 , , | 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