Decomposition of p-nonylphenols in water and elimination of their estrogen activities by 60Co γ-ray irradiation |
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| Institution: | 1. Department of Physics Bangalore University, Bangalore, 560056, India;2. Department of Materials Science and Engineering, Lehigh University, Bethlehem, PA 18015, USA |
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| Abstract: | Concentration of p-nonylphenols (NPs) in water at 1 μmol dm?3 was decreased exponentially with absorbed dose when NPs were irradiated by 60Co γ-rays. Two products having molecular weight of 236, presumably OH adducts of NPs, were detected by LC–MS analyses. The elimination of estrogen activity of aqueous NPs solution including such irradiation products at 5000 Gy (J kg?1) was confirmed by the yeast two-hybrid assay. These results should expand the application of ionizing radiation to the treatment of NPs. |
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