Cohort-friendly protocol for a sensitive and fast method for trihalomethanes in urine using gas chromatography-Triple quadrupole mass spectrometry

J Chromatogr B Analyt Technol Biomed Life Sci. 2018 Jan 1:1072:336-340. doi: 10.1016/j.jchromb.2017.11.045.

Abstract

A cohort-friendly biomonitoring protocol has been developed for measuring biomarkers of exposure to disinfection by-products (trihalomethanes, THM) in urine using small initial volume (3mL) and short analysis time (∼10min) that facilitates the throughput of a large number of samples. The objective of this study was to optimise a cohort-friendly biomonitoring protocol for the determination of four THM analytes in human urine using gas chromatography coupled with triple quadrupole mass spectrometry (GC-QqQ-MS/MS). The proposed methodology will facilitate the inclusion of such urinary THM measurements into large population health studies.

Keywords: Biobanks; Biomarkers; Chlorine; Cohorts; Disinfection by products; Exposure.

MeSH terms

  • 1-Propanol
  • Acetone
  • Gas Chromatography-Mass Spectrometry / methods*
  • Humans
  • Limit of Detection
  • Linear Models
  • Reproducibility of Results
  • Tandem Mass Spectrometry / methods*
  • Trihalomethanes / chemistry
  • Trihalomethanes / isolation & purification
  • Trihalomethanes / urine*

Substances

  • Trihalomethanes
  • Acetone
  • 1-Propanol