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- Yoshihisa Ohko
- Department of Applied Chemistry, School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan, Department of Chemistry, School of Science, Science University of Tokyo, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan, Department of Urology, School of Medicine, University of Yokohama City, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan, Nagareyama Higashi High School, Nazukari, Nagareyama-shi, Chiba 270-0145, Japan, and Kanagawa Academy of Science and Technology, KSP...
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- Isao Ando
- Department of Applied Chemistry, School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan, Department of Chemistry, School of Science, Science University of Tokyo, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan, Department of Urology, School of Medicine, University of Yokohama City, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan, Nagareyama Higashi High School, Nazukari, Nagareyama-shi, Chiba 270-0145, Japan, and Kanagawa Academy of Science and Technology, KSP...
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- Chisa Niwa
- Department of Applied Chemistry, School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan, Department of Chemistry, School of Science, Science University of Tokyo, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan, Department of Urology, School of Medicine, University of Yokohama City, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan, Nagareyama Higashi High School, Nazukari, Nagareyama-shi, Chiba 270-0145, Japan, and Kanagawa Academy of Science and Technology, KSP...
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- Tetsu Tatsuma
- Department of Applied Chemistry, School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan, Department of Chemistry, School of Science, Science University of Tokyo, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan, Department of Urology, School of Medicine, University of Yokohama City, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan, Nagareyama Higashi High School, Nazukari, Nagareyama-shi, Chiba 270-0145, Japan, and Kanagawa Academy of Science and Technology, KSP...
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- Tsuyoshi Yamamura
- Department of Applied Chemistry, School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan, Department of Chemistry, School of Science, Science University of Tokyo, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan, Department of Urology, School of Medicine, University of Yokohama City, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan, Nagareyama Higashi High School, Nazukari, Nagareyama-shi, Chiba 270-0145, Japan, and Kanagawa Academy of Science and Technology, KSP...
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- Tetsuto Nakashima
- Department of Applied Chemistry, School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan, Department of Chemistry, School of Science, Science University of Tokyo, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan, Department of Urology, School of Medicine, University of Yokohama City, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan, Nagareyama Higashi High School, Nazukari, Nagareyama-shi, Chiba 270-0145, Japan, and Kanagawa Academy of Science and Technology, KSP...
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- Yoshinobu Kubota
- Department of Applied Chemistry, School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan, Department of Chemistry, School of Science, Science University of Tokyo, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan, Department of Urology, School of Medicine, University of Yokohama City, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan, Nagareyama Higashi High School, Nazukari, Nagareyama-shi, Chiba 270-0145, Japan, and Kanagawa Academy of Science and Technology, KSP...
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- Akira Fujishima
- Department of Applied Chemistry, School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan, Department of Chemistry, School of Science, Science University of Tokyo, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan, Department of Urology, School of Medicine, University of Yokohama City, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan, Nagareyama Higashi High School, Nazukari, Nagareyama-shi, Chiba 270-0145, Japan, and Kanagawa Academy of Science and Technology, KSP...
書誌事項
- 公開日
- 2001-04-27
- DOI
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- 10.1021/es001757t
- 公開者
- American Chemical Society (ACS)
この論文をさがす
説明
The photocatalytic degradation of bisphenol A (BPA), a representative endocrine disruptor, was carried out in TiO2 aqueous suspension. The main purposes were to confirm the total mineralization of BPA and to evaluate the estrogenic activity in the treated water during the photocatalytic reaction. An initial BPA concentration of 175 microM in water was totally degraded to carbon dioxide by TiO2-photocatalyzed reactions under UV irradiation of 10 mW cm-2 for 20 h. Four HPLC peaks indicating intermediate products appeared in chromatograms monitored at 275 nm, but the heights relative to that of the initial BPA were very low, at most 0.04 in the time period 5-10 h after the start of UV irradiation. All of the peaks finally disappeared after 20 h. For the treated water, the transcriptional estrogenic activity in response to human estrogen receptor in a yeast hybrid assay decreased drastically to less than 1% of the initial BPA's activity within 4 h. On the basis of these results, we conclude that TiO2 photocatalysis could be a useful technology for the purification of water containing BPA without generating any serious secondary pollution.
収録刊行物
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- Environmental Science & Technology
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Environmental Science & Technology 35 (11), 2365-2368, 2001-04-27
American Chemical Society (ACS)