Tag Archives: MS

High-throughput methodology for the determination of carbamates in food supplements by UHPLC–MS/MS.

Posted on 28 February, 2017 by fqm302

Food supplements are increasingly consumed products that claim to have several benefits for health. In many cases, these supplements contain herbal products and, as a consequence, can be contaminated with pesticides used in crops. This study aimed to use a … Continue reading →

Posted in AGL2015-70708-R, Carbamates, Mass spectrometry, QuEChERS, Supplements, UHPLC | Tagged , , | Comments Off on High-throughput methodology for the determination of carbamates in food supplements by UHPLC–MS/MS.

Evaluation of a new modified QuEChERS method for the monitoring of carbamate residues in high-fat cheeses by using UHPLC–MS/MS.

Posted on 27 February, 2017 by fqm302

A simple and efficient method for the determination of 28 carbamates in high-fat cheeses is proposed. The methodology is based on a modified quick, easy, cheap, effective, rugged, and safe procedure as sample treatment using a new sorbent (Z-Sep+) followed … Continue reading →

Posted in Carbamates, Cheese, Mass spectrometry, P12-AGR-1647, QuEChERS, UHPLC | Tagged , , | Comments Off on Evaluation of a new modified QuEChERS method for the monitoring of carbamate residues in high-fat cheeses by using UHPLC–MS/MS.

Salting-out assisted liquid–liquid extraction coupled to ultra-high performance liquid chromatography–tandem mass spectrometry for the determination of tetracycline residues in infant foods

Posted on 13 December, 2016 by fqm302

The use of salting-out assisted liquid–liquid extraction (SALLE) combined with ultra-high performance liquid chromatography tandem mass spectrometry (UHPLC–MS/MS) has been evaluated for the determination of tetracyclines in infant foods based on meat and vegetables or in milk. To obtain satisfactory … Continue reading →

Posted in Infant foods, Mass spectrometry, P12-AGR-1647, SALLE, Tetracyclines, UHPLC | Tagged | Comments Off on Salting-out assisted liquid–liquid extraction coupled to ultra-high performance liquid chromatography–tandem mass spectrometry for the determination of tetracycline residues in infant foods

QuEChERS-based method for the determination of carbamate residues in aromatic herbs by UHPLC-MS/MS

Posted on 16 September, 2016 by fqm302

A new reliable, fast and highly sensitive method based on ultra-high performance liquid chromatography tandem mass spectrometry has been developed and validated for the determination of 28 carbamates in aromatic herbs. A modified QuEChERS-based method was optimized for the extraction … Continue reading →

Posted in AGL2015-70708-R, Aromatic herbs, Carbamates, Mass spectrometry, QuEChERS, UHPLC | Tagged | Comments Off on QuEChERS-based method for the determination of carbamate residues in aromatic herbs by UHPLC-MS/MS

Rapid and simple UHPLC-ESI-MS/MS method for the screening of propyl propane thiosulfonate, a new additive for animal feed

Posted on 4 July, 2016 by fqm302

Allium derivative propyl propane thiosulfonate (PTSO) is a new additive for animal feed which improves animal health when used as an alternative to antibiotic growth promoters. Despite the effort of the European Union to ensure the control of animal feed … Continue reading →

Posted in Animal feed, Mass spectrometry, PTSO, UHPLC | Tagged | Comments Off on Rapid and simple UHPLC-ESI-MS/MS method for the screening of propyl propane thiosulfonate, a new additive for animal feed

Development of a QuEChERS-based extraction method for the determination of destruxins in potato plants by UHPLC–MS/MS

Posted on 15 December, 2015 by fqm302

Ultra high performance liquid chromatography–tandem mass spectrometry (UHPLC–MS/MS) with electrospray ionization has been proposed for the determination of fifteen natural destruxins (A, B, C, D, E, Ed, Ed1, A2, B2, D2, E2, Cl, DesmA, DesmB, and DH-A), secondary metabolites with … Continue reading →

Posted in Destruxins, Mass spectrometry, Metabolites, Mycotoxins, Plants, Potato plant, QuEChERS, UHPLC | Tagged | Comments Off on Development of a QuEChERS-based extraction method for the determination of destruxins in potato plants by UHPLC–MS/MS

Ultrasound-assisted surfactant-enhanced emulsification microextraction for the determination of carbamates in wines by ultra-high performance liquid chromatography–tandem mass spectrometry

Posted on 14 October, 2013 by fqm302

A new sensitive multiresidue method based on ultra-high performance liquid chromatography–tandem mass spectrometry (UHPLC–MS/MS) has been developed for the detection, confirmation and quantification of twenty five carbamates in wine samples. The separation was achieved in 5.5 min, using a Zorbax Eclipse … Continue reading →

Posted in Carbamates, Mass spectrometry, UASEME, UHPLC, Wine | Tagged , | Comments Off on Ultrasound-assisted surfactant-enhanced emulsification microextraction for the determination of carbamates in wines by ultra-high performance liquid chromatography–tandem mass spectrometry

Micellar electrokinetic chromatography–electrospray ionization mass spectrometry employing a volatile surfactant for the analysis of amino acids in human urine

Posted on 12 September, 2013 by fqm302

A new MEKC-ESI-MS method for the analysis of amino acids (AAs) in human urine was developed employing ammonium perfluorooctanoate (APFO) as volatile surfactant. The influence of APFO on the MS signal of AAs was evaluated by infusion experiments, which showed … Continue reading →

Posted in Amino acids, MEKC, Mass spectrometry, Urine | Tagged , | Comments Off on Micellar electrokinetic chromatography–electrospray ionization mass spectrometry employing a volatile surfactant for the analysis of amino acids in human urine

Mass spectrometric and contactless conductivity detection approaches in the determination of muscle relaxants by capillary electrophoresis

Posted on 12 September, 2013 by fqm302

Novel and rapid capillary electrophoresis-coupled tandem mass spectrometry (CE-MS/MS) and capillary electrophoresis with capacitively coupled contactless conductivity detection (CE-C4D) methods have been developed for the separation and determination of three neuromuscular blocking agents: pancuronium, vecuronium, and rocuronium. In both cases, … Continue reading →

Posted in C4D, CZE, Cyclodextrins, Mass spectrometry, Muscle relaxants, Pharmaceutical formulations | Tagged , | Comments Off on Mass spectrometric and contactless conductivity detection approaches in the determination of muscle relaxants by capillary electrophoresis

Simple methodology for the determination of mycotoxins in pseudocereals, spelt and rice

Posted on 4 September, 2013 by fqm302

Nowadays the interest and consumption of pseudocereals is increasing due to their nutritional properties. Like cereals and oilseeds, pseudocereal seeds are susceptible to fungal growth and mycotoxin contamination; however these matrices have received little attention in literature. A sensitive, simple … Continue reading →

Posted in Mass spectrometry, Pseudocereals, QuEChERS, Rice, Spelt, UHPLC | Tagged | Comments Off on Simple methodology for the determination of mycotoxins in pseudocereals, spelt and rice