Trace analysis of corticosteroids (CSs) in environmental waters by liquid chromatography–tandem mass spectrometry

Shimin Wu, Ai Jia, Kevin D. Daniels, Minkyu Park, Shane A Snyder

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Natural and synthetic corticosteroids (CSs) are a class of steroid hormones which could potentially disturb the corticosteroid signaling pathways in wildlife and humans. In this study, a sensitive and robust analytical method using solid phase extraction (SPE) and liquid chromatography-tandem mass spectrometry (LC-MS/MS) was developed for simultaneous analysis of sub-ng/L concentrations of 26 CSs in highly complex natural water matrices. The method performance was validated for WWTP influent, effluent, surface water and finished drinking water. Low practical quantification levels (PQLs) were achieved as 0.008–0.16 ng/L in finished drinking water, 0.019–0.50 ng/L in surface water, 0.047–1.5 ng/L in WWTP effluent, and 0.10–3.1 ng/L in WWTP influent, respectively, with the recoveries ranging from 70% to 130%. The cleanup performance and matrix interferences were also evaluated. This method was then applied to the analysis of target CSs in WWTP influent and effluent samples collected from a local WWTP, as well as surface water downstream of the WWTP outfall, detecting an average summed CS concentration of 744 ng/L in influent, 23.4 ng/L in effluent and 10.9 ng/L in surface water. Four synthetic CSs (triamcinolone acetonide, fluocinolone acetonide, clobetasol propionate, and fluticasone propionate) were found poorly removed in the WWTP. The developed method provides a tool to obtain occurrence data of corticosteroids in environmental waters, which will permit assessing their risk to environmental organisms.

Original languageEnglish (US)
Pages (from-to)830-840
Number of pages11
JournalTalanta
Volume195
DOIs
StatePublished - Apr 1 2019

Fingerprint

Trace analysis
Mass spectrometry
Mass Spectrometry
Adrenal Cortex Hormones
Water
Surface waters
Liquids
Effluents
Drinking Water
Fluocinolone Acetonide
Steroid hormones
Clobetasol
Triamcinolone Acetonide
Outfalls
Solid Phase Extraction
Liquid chromatography
Tandem Mass Spectrometry
Liquid Chromatography
Steroids
Hormones

Keywords

  • Corticosteroids
  • Environmental waters
  • Liquid chromatography-tandem mass spectrometry

ASJC Scopus subject areas

  • Analytical Chemistry
  • Chemistry(all)
  • Biochemistry
  • Spectroscopy

Cite this

Trace analysis of corticosteroids (CSs) in environmental waters by liquid chromatography–tandem mass spectrometry. / Wu, Shimin; Jia, Ai; Daniels, Kevin D.; Park, Minkyu; Snyder, Shane A.

In: Talanta, Vol. 195, 01.04.2019, p. 830-840.

Research output: Contribution to journalArticle

Wu, Shimin ; Jia, Ai ; Daniels, Kevin D. ; Park, Minkyu ; Snyder, Shane A. / Trace analysis of corticosteroids (CSs) in environmental waters by liquid chromatography–tandem mass spectrometry. In: Talanta. 2019 ; Vol. 195. pp. 830-840.
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