Identification of estrogenic activity change in sewage, industrial and livestock effluents by gamma-irradiation

Byeong Yong Ahn, Sung Wook Kang, Jisu Yoo, Woong Ki Kim, Paek Hyun Bae, Jinho Jung

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

In this study, reduction of estrogenic activity in three different types of effluents from sewage, industrial and livestock wastewater treatment plants by gamma-irradiation was investigated using the yeast two-hybrid assay. After gamma-ray treatment at a dose of 10kGy, estrogenic activities of sewage, industrial and livestock effluents decreased from 4.4 to 3.0, 1.5 to 1.0 and 16 to 9.9ng-EEQL -1, respectively. The substantial reduction of estrogenic activity in livestock effluent was attributable to the degradation of 17Β-estradiol (E2), estrone (E1) and 17α-ethynylestradiol (EE2). Although bisphenol A (BPA) was found at the highest concentration in all effluents, its contribution to the estrogenic activity was not significant due to its low relative estrogenic potency. Meanwhile, the calculated estrogenic activity based on concentrations of E2, E1, EE2 and BPA in the effluents significantly differed from the measured ones. Overestimation may have resulted by dissolved organic matters in effluents inhibiting the estrogenic activity of E2, E1, EE2 and BPA, whereas underestimation was likely due to estrogenic by-products generated by gamma-irradiation.

Original languageEnglish
Pages (from-to)1757-1762
Number of pages6
JournalRadiation Physics and Chemistry
Volume81
Issue number11
DOIs
Publication statusPublished - 2012 Nov

Keywords

  • AOPs
  • EDCs
  • Estrogens
  • Gamma rays
  • Yeast two-hybrid assay

ASJC Scopus subject areas

  • Radiation

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