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HPLC/APCI-FTICR-MS as a tool for identification of partial polar mutagenic compounds in effect-directed analysis

  • Mahmoud BatainehEmail author
  • Urte Lübcke-von Varel
  • Heiko Hayen
  • Werner Brack
Article

Abstract

Identification of unknown compounds remains one of the biggest challenges for the assignment of adverse effects of sediment contamination and other complex environmental mixtures to responsible toxicants by effect-directed analysis (EDA). The identification depends on information gained from biotesting, chromatographic separation, and mass spectrometric detection. Thus, a methodology is provided for non-target identification of partial polar mutagenic polyaromatic compounds in sediment extracts by using polymeric reversed-phase HPLC column, high-resolution mass spectrometry and PubChem database. After visualization and processing the chromatogram constituents by using deconvolution software, the unambiguous elemental compositions generated were used as input in PubChem database to find a possible identity for the suspected species. The retrieved structures from the database search were refined by characterized chromatographic and mass spectrometric classifiers based on 55 model compounds comprising eight different classes representing mutagenic substructures. The applicability of the method was demonstrated by positive and tentative identification of constituents of mutagenic sediment fractions similar to selected model compounds.

Keywords

Polycyclic Aromatic Hydrocarbon Aceclofenac Tentative Identification Pressure Chemical Ionization Mass Spectrometry PubChem Database 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Supplementary material

13361_2011_210601016_MOESM1_ESM.doc (262 kb)
Supplementary material, approximately 269 KB.

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Copyright information

© American Society for Mass Spectrometry 2010

Authors and Affiliations

  • Mahmoud Bataineh
    • 1
    • 2
    Email author
  • Urte Lübcke-von Varel
    • 1
  • Heiko Hayen
    • 3
  • Werner Brack
    • 1
  1. 1.Department of Effect-Directed AnalysisUFZ-Helmholtz Centre for Environmental ResearchLeipzigGermany
  2. 2.Department of Chemical EngineeringAbu Dhabi Men’s CollegeAbu DhabiUnited Arab Emirates
  3. 3.Leibniz-Institut für Analytische Wissenschaften -ISAS-e.V.DortmundGermany

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