Multiclass screening in urine by comprehensive two-dimensional liquid chromatography time of flight mass spectrometry for residues of sulphonamides, beta-agonists and steroids

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Abstract

Nowadays routine residue monitoring involves the analysis of many compounds from different classes, mainly in urine. In the past two decades, developments heavily focused on the use of mass spectrometers (MS) and faster and more sensitive MS detectors have reached the market. However, chromatographic separation (CS) was rather ignored and the cognate developments in CS were not in line. As a result, residue analysis did not improve to the extent anticipated. CS by LC x LC is a promising technique and will enable a further increase in the range of compounds and compound classes that can be detected in a single run. In the present study, a self-built LC x LC system, using a 10 port valve, was connected to a single quadrupole MS with electrospray interface. Standards containing a mixture of sulphonamides, β-agonists and (steroid) hormones, 53 compounds, in total, were analysed. Results demonstrated that these compounds were well separated and could be detected at low levels in urine, i.e. limit of detection (LOD) from 1 µg L−1 for most β-agonists to 10 µg L−1 for some sulphonamides and most hormones. To enhance the sensitivity, optimisation was performed on an advanced commercial LC x LC system connected to a full scan accurate MS. This ultimately resulted in a fast high throughput untargeted method, including a simple sample clean-up in a 96-well format, for the analysis of urine samples.

LanguageEnglish
Pages1703-1715
JournalFood Additives and Contaminants - Part A Chemistry, Analysis, Control, Exposure and Risk Assessment
Volume35
Issue number9
Early online date14 Aug 2018
DOIs
Publication statusPublished - 2018

Fingerprint

beta-adrenergic agonists
sulfonamides
Sulfonamides
Liquid chromatography
Mass spectrometers
spectrometers
Liquid Chromatography
steroids
Mass spectrometry
Mass Spectrometry
Screening
urine
Steroids
Urine
mass spectrometry
screening
Hormones
Steroid hormones
urinalysis
valves (equipment)

Keywords

  • Antibiotics
  • comprehensive 2D-LC
  • growth promoters
  • LC x LC
  • mass spectrometry
  • residues

Cite this

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title = "Multiclass screening in urine by comprehensive two-dimensional liquid chromatography time of flight mass spectrometry for residues of sulphonamides, beta-agonists and steroids",
abstract = "Nowadays routine residue monitoring involves the analysis of many compounds from different classes, mainly in urine. In the past two decades, developments heavily focused on the use of mass spectrometers (MS) and faster and more sensitive MS detectors have reached the market. However, chromatographic separation (CS) was rather ignored and the cognate developments in CS were not in line. As a result, residue analysis did not improve to the extent anticipated. CS by LC x LC is a promising technique and will enable a further increase in the range of compounds and compound classes that can be detected in a single run. In the present study, a self-built LC x LC system, using a 10 port valve, was connected to a single quadrupole MS with electrospray interface. Standards containing a mixture of sulphonamides, β-agonists and (steroid) hormones, 53 compounds, in total, were analysed. Results demonstrated that these compounds were well separated and could be detected at low levels in urine, i.e. limit of detection (LOD) from 1 µg L−1 for most β-agonists to 10 µg L−1 for some sulphonamides and most hormones. To enhance the sensitivity, optimisation was performed on an advanced commercial LC x LC system connected to a full scan accurate MS. This ultimately resulted in a fast high throughput untargeted method, including a simple sample clean-up in a 96-well format, for the analysis of urine samples.",
keywords = "Antibiotics, comprehensive 2D-LC, growth promoters, LC x LC, mass spectrometry, residues",
author = "M.H. Blokland and P.W. Zoontjes and {van Ginkel}, L.A. and {van de Schans}, M.G.M. and S.S. Sterk and T.F.H. Bovee",
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T1 - Multiclass screening in urine by comprehensive two-dimensional liquid chromatography time of flight mass spectrometry for residues of sulphonamides, beta-agonists and steroids

AU - Blokland, M.H.

AU - Zoontjes, P.W.

AU - van Ginkel, L.A.

AU - van de Schans, M.G.M.

AU - Sterk, S.S.

AU - Bovee, T.F.H.

PY - 2018

Y1 - 2018

N2 - Nowadays routine residue monitoring involves the analysis of many compounds from different classes, mainly in urine. In the past two decades, developments heavily focused on the use of mass spectrometers (MS) and faster and more sensitive MS detectors have reached the market. However, chromatographic separation (CS) was rather ignored and the cognate developments in CS were not in line. As a result, residue analysis did not improve to the extent anticipated. CS by LC x LC is a promising technique and will enable a further increase in the range of compounds and compound classes that can be detected in a single run. In the present study, a self-built LC x LC system, using a 10 port valve, was connected to a single quadrupole MS with electrospray interface. Standards containing a mixture of sulphonamides, β-agonists and (steroid) hormones, 53 compounds, in total, were analysed. Results demonstrated that these compounds were well separated and could be detected at low levels in urine, i.e. limit of detection (LOD) from 1 µg L−1 for most β-agonists to 10 µg L−1 for some sulphonamides and most hormones. To enhance the sensitivity, optimisation was performed on an advanced commercial LC x LC system connected to a full scan accurate MS. This ultimately resulted in a fast high throughput untargeted method, including a simple sample clean-up in a 96-well format, for the analysis of urine samples.

AB - Nowadays routine residue monitoring involves the analysis of many compounds from different classes, mainly in urine. In the past two decades, developments heavily focused on the use of mass spectrometers (MS) and faster and more sensitive MS detectors have reached the market. However, chromatographic separation (CS) was rather ignored and the cognate developments in CS were not in line. As a result, residue analysis did not improve to the extent anticipated. CS by LC x LC is a promising technique and will enable a further increase in the range of compounds and compound classes that can be detected in a single run. In the present study, a self-built LC x LC system, using a 10 port valve, was connected to a single quadrupole MS with electrospray interface. Standards containing a mixture of sulphonamides, β-agonists and (steroid) hormones, 53 compounds, in total, were analysed. Results demonstrated that these compounds were well separated and could be detected at low levels in urine, i.e. limit of detection (LOD) from 1 µg L−1 for most β-agonists to 10 µg L−1 for some sulphonamides and most hormones. To enhance the sensitivity, optimisation was performed on an advanced commercial LC x LC system connected to a full scan accurate MS. This ultimately resulted in a fast high throughput untargeted method, including a simple sample clean-up in a 96-well format, for the analysis of urine samples.

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KW - comprehensive 2D-LC

KW - growth promoters

KW - LC x LC

KW - mass spectrometry

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