Tag Archives: MS

Simultaneous determination of mycotoxins and pesticides by UHPLC-HRMS in aquaculture feed from intensive farms

Posted on 10 November, 2025 by fqm302

Background: Intensive aquaculture in southern Spain is growing, leading to increased use of plant-based in- gredients in fish feed. While this shift results in more nutritionally balanced feeds, it also introduces the risk of contaminants like mycotoxins and pesticides, which … Continue reading →

Posted in Animal feed, Mass spectrometry, Mycotoxins, PID2021-127804OB-I00, PROYEXCEL_00195, Pesticides, RYC2023-044255-I, UHPLC, USLE, dSPE | Tagged , , , | Comments Off on Simultaneous determination of mycotoxins and pesticides by UHPLC-HRMS in aquaculture feed from intensive farms

A greener approach for determining cyanotoxins in vegetables: From NADES-air-assisted dispersive liquid-liquid microextraction to capillary electrophoresis–mass spectrometry analysis

Posted on 18 September, 2025 by fqm302

This study presents a sustainable analytical method for the determination of 12 cyanotoxins including 10 microcystins (−LR, -YR, -LF, -LW, −LA, -HilR, -HtyR, -LY, -WR, [D-Asp3]MC-LR), nodularin, and anabaenopeptin A in vegetables, based on air-assisted dispersive liquid-liquid microextraction (AA-DLLME) using … Continue reading →

Posted in CZE, Cucumber, Cyanotoxins, Electrophoresis, NADES, PID2021-127804OB-I00, PROYEXCEL_00195, Pepper, Tomato | Tagged , , , | Comments Off on A greener approach for determining cyanotoxins in vegetables: From NADES-air-assisted dispersive liquid-liquid microextraction to capillary electrophoresis–mass spectrometry analysis

Addressing chemical risks in beekeeping products: development of a combined ultrasound-assisted extraction and QuEChERS-based method for the simultaneous determination of mycotoxins and pesticides in bee pollen and honey.

Posted on 23 June, 2025 by fqm302

This work presents an ultrasound assisted extraction (UAE) combined with a QuEChERS approach, followed by liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis, for the determination of 20 mycotoxins and 10 pesticides in bee pollen and honey samples. The method was validated … Continue reading →

Posted in Honey, Mass spectrometry, Mycotoxins, PID2021-127804OB-I00, PROYEXCEL_00195, Pollen, QuEChERS, UHPLC | Tagged , , | Comments Off on Addressing chemical risks in beekeeping products: development of a combined ultrasound-assisted extraction and QuEChERS-based method for the simultaneous determination of mycotoxins and pesticides in bee pollen and honey.

Toxic cyanopeptides monitoring in thermal spring water by capillary electrophoresis tandem mass spectrometry.

Posted on 4 February, 2025 by fqm302

Cyanobacteria are an ancient group of prokaryotes capable of oxygenic photosynthesis. Recently, thermal crises symptoms in hot springs have been associated with acute cyanopeptides poisoning. The aim of this work is to develop a fast, easy and reliable method to … Continue reading →

Posted in CZE, Cyanotoxins, Electrophoresis, FASS, Mass spectrometry, PID2021-127804OB-I00, PROYEXCEL_00195, RED2022-134079-T, SALLE, Stacking, Thermal spring | Tagged , , , | Comments Off on 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.

Posted on 8 January, 2025 by fqm302

Human biomonitoring (HBM) is accepted as an effective way to assess human exposure to mycotoxins and to investigate their impact on human health. Ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) has emerged as a powerful tool for the quantitative and … Continue reading →

Posted in Human biomonitoring, Human serum, Mass spectrometry, Mycotoxins, PROYEXCEL_00195, Protein precipitation, UHPLC | Tagged , | Comments Off on 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.

Posted on 4 December, 2024 by fqm302

Poultry farming has developed into one of Algeria’s most productive industrial farming because of the growing demand for sources of protein among Algerian society. Laying hen feed consists mainly of cereals, which can be contaminated with molds and subsequently with … Continue reading →

Posted in Animal feed, Eggs, Mass spectrometry, Mycotoxins, QuEChERS, UHPLC | Tagged , , | Comments Off on 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.

Posted on 7 October, 2024 by fqm302

Hydrophilic interaction liquid chromatography (HILIC) and capillary electrophoresis (CE) coupled to mass spectrometry (MS) are two of the most widely used techniques to explore and characterize the polar metabolome. Both platforms have some peculiar characteristics that make them more suitable … Continue reading →

Posted in Exposomics, HILIC, Metabolomics, PID2020–120020RA-I00, PROYEXCEL_00195, Pig serum, Polychlorinated biphenyls | Tagged , , , | Comments Off on 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.

Assessing human exposure to pesticides and mycotoxins: optimization and validation of a method for multianalyte determination in urine samples.

Posted on 9 April, 2024 by fqm302

Humans are exposed to an increasing number of contaminants, with diet being one of the most important exposure routes. In this framework, human biomonitoring is considered the gold standard for evaluating human exposure to chemicals. Pesticides and mycotoxins are chemicals … Continue reading →

Posted in Biomonitoring, Mass spectrometry, Mycotoxins, PID2021-127804OB-I00, PROYEXCEL_00195, Pesticides, SALLE, UHPLC, Urine | Tagged , , | Comments Off on 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.

Posted on 24 January, 2024 by fqm302

Cyanotoxins constitute a group of toxic secondary metabolites, the presence of which in any water body poses a major health risk. Moreover, advanced organisms such as edible plants exposed to these toxins, are a possible pathway for human exposure. Green … Continue reading →

Posted in CZE, Cyanotoxins, FASS, Mass spectrometry, PID2021-127804OB-I00, SPE, Spinach, Water, acid barrage, pH-junction | Tagged , , , | Comments Off on 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.

Posted on 22 December, 2023 by fqm302

Exposure to polychlorinated biphenyls (PCBs) has been linked to dyslipidemia. Under acute exposure to PCBs, it has been observed that the secretion of bile acids (BAs) can be impacted, limiting (indirectly) lipid absorption in the gut. In this context, two … Continue reading →

Posted in Liquid-liquid extraction, Mass spectrometry, Metabolomics, PID2020–120020RA-I00, Pig serum, Polychlorinated biphenyls, UHPLC | Tagged , , , | Comments Off on Determination of bile acids in serum of pigs exposed to polychlorinated biphenyls by liquid chromatography-mass spectrometry.