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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Ohnisi, Kana Takigami, Hidetaka Kawanishi, Masanobu Yagi, Takashi |
| Spatial Coverage | Japan |
| Description | Country affiliation: Japan Author Affiliation: Kawanishi M ( Graduate School of Science and Radiation Research Center, Osaka Prefecture University, 1-2 Gakuen-cho, Naka-Ku, Sakai, Osaka 599-8570, Japan.) |
| Abstract | The CROMIS AhR kit, a simple and rapid yeast bioassay kit, was developed and used to detect dioxins and dioxin-like compounds in 20 gas and solid samples collected from refuse incineration plants in Japan. The World Health Organization toxic equivalent (WHO-TEQ) values of the samples were also calculated using high-resolution gas chromatography/high--resolution mass spectrometry. The WHO-TEQ values of the samples varied greatly, ranging from 0.0021-6.3 ng/g to 0.00013-16 ng/m(3)N (normal cubic meter) in the solid and gas samples, respectively. 2,3,4,7,8-Pentachlorodibenzofuran (23478-PeCDF) and 1,2,3,7,8-pentachlorodibenzo-p-dioxin (12378-PeCDD) were the major contributors to the samples' WHO-TEQ values. The yeast in the bioassay responded to these congeners, and the EC50 values of 2,3,7,8-tetrachlorodibenzo-p-dioxin (2378-TeCDD), 12378-PeCDD, and 2,3,4,7,8-PeCDF were 490, 560, and 590 nM, respectively. The incinerator samples were subjected to the bioassay to obtain 2378-TeCDD equivalent values (CROMIS-TEQ values). The CROMIS-TEQ values of the solid and gas samples ranged from 0.0019 to 5.64 ng/g and from 0.14 to 20 ng/m(3)N, respectively. The CROMIS-TEQ and WHO-TEQ values displayed good correlations (r (2) = 0.94 and 0.95 in the solid and gas samples, respectively), except for those of the samples with low dioxin concentrations (below the Japanese emission standards). Therefore, the CROMIS AhR kit is a useful tool for the initial screening of samples containing dioxin-like compounds. |
| ISSN | 09441344 |
| Issue Number | 5 |
| Volume Number | 20 |
| e-ISSN | 16147499 |
| Journal | Environmental Science and Pollution Research |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2013-05-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Air Pollutants Metabolism Benzofurans Dioxins Environmental Monitoring Methods Receptors, Aryl Hydrocarbon Solid Waste Analysis Yeasts Gas Chromatography-mass Spectrometry Humans Incineration Japan Organisms, Genetically Modified Evaluation Studies Journal Article Research Support, Non-u.s. Gov't Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine |
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