TY - JOUR
T1 - Identification of estrogenic activity change in sewage, industrial and livestock effluents by gamma-irradiation
AU - Ahn, Byeong Yong
AU - Kang, Sung Wook
AU - Yoo, Jisu
AU - Kim, Woong Ki
AU - Bae, Paek Hyun
AU - Jung, Jinho
N1 - Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant (Grant Code: 2009-0078350 ) funded by the Korean government (MEST) .
PY - 2012/11
Y1 - 2012/11
N2 - 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.
AB - 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.
KW - AOPs
KW - EDCs
KW - Estrogens
KW - Gamma rays
KW - Yeast two-hybrid assay
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U2 - 10.1016/j.radphyschem.2012.06.012
DO - 10.1016/j.radphyschem.2012.06.012
M3 - Article
AN - SCOPUS:84864601711
SN - 0969-806X
VL - 81
SP - 1757
EP - 1762
JO - Radiation Physics and Chemistry
JF - Radiation Physics and Chemistry
IS - 11
ER -