Research Topics
| Takashi AmagaiSummaryAffiliation: University of Shizuoka Country: Japan Publications
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Detail Information
Publications
Gas chromatographic/mass spectrometric determination of benzene and its alkyl derivatives in indoor and outdoor air in Fuji, JapanTakashi Amagai
University of Shizuoka, Institute for Environmental Sciences, Japan
J AOAC Int 85:203-11. 2002..These results suggested that indoor benzene predominantly penetrated from outdoors and that other benzene derivatives were emitted from indoor sources, such as paint solvents and kerosene heaters...
Simultaneous liquid chromatographic determination of 39 polycyclic aromatic hydrocarbons in indoor and outdoor air and application to a survey on indoor air pollution in Fuji, JapanTakeshi Ohura
University of Shizuoka, Japan
J AOAC Int 85:188-202. 2002..These results showed that gaseous PAHs in indoor air were primarily from indoor emission sources, especially during the summer, and that indoor particulate PAH concentrations were significantly influenced by outdoor air pollution...
Field monitoring of volatile organic compounds using passive air samplers in an industrial city in JapanKazunari Kume
Graduate School of Nutritional and Environmental Sciences, University of Shizuoka, 52 1 Yada, Shizuoka 422 8526, Japan
Environ Pollut 153:649-57. 2008....
Chlorinated polycyclic aromatic hydrocarbons in the atmosphere: seasonal levels, gas-particle partitioning, and originTakeshi Ohura
Institute for Environmental Sciences, University of Shizuoka, 52 1 Yada, Shizuoka 422 8526, Japan
Environ Sci Technol 42:3296-302. 2008..Back trajectory analyses suggested that air masses, originating from China, were associated with the highest CIPAH concentrations...
Seasonal and spatial trends of suspended-particle associated polycyclic aromatic hydrocarbons in urban Shizuoka, JapanKazunari Kume
Graduate School of Nutritional and Environmental Sciences, University of Shizuoka, 52 1 Yada, Shizuoka 422 8526, Japan
J Hazard Mater 144:513-21. 2007....
A methoxyflavonoid, chrysoeriol, selectively inhibits the formation of a carcinogenic estrogen metabolite in MCF-7 breast cancer cellsHitomi Takemura
Institute for Environmental Sciences, University of Shizuoka, Suruga, Shizuoka, Japan
J Steroid Biochem Mol Biol 118:70-6. 2010..In conclusion, we present the first report to show that chrysoeriol is a chemopreventive natural ingredient that can selectively inhibit CYP1B1 activity and prevent the formation of carcinogenic 4-OHE(2) from E(2.)...
Differential action of chlorinated polycyclic aromatic hydrocarbons on aryl hydrocarbon receptor-mediated signaling in breast cancer cellsTakeshi Ohura
Institute for Environmental Sciences, University of Shizuoka, 52 1 Yada, Shizuoka 422 8526, Japan
Environ Toxicol 25:180-7. 2010..These results suggest that estrogenic action mediated ER signaling through AhR activation does not necessarily occur for every ligand that can activate AhR...
Temporal trends and relationships of particulate chlorinated polycyclic aromatic hydrocarbons and their parent compounds in urban airAtsushi Kitazawa
Graduate School of Nutritional and Environmental Sciences, University of Shizuoka, 52-1, Yada, Suruga-ku, Shizuoka, 422-8526, Japan
Environ Sci Technol 40:4592-8. 2006..The factor analysis also suggested that the emission sources for the ClPAHs (except for 6-CIBaP) may be similar to the sources of the parent PAHs...
Prediction of personal exposure to PM2.5 and carcinogenic polycyclic aromatic hydrocarbons by their concentrations in residential microenvironmentsTakeshi Ohura
Institute for Environmental Sciences, University of Shizuoka, 52 1 Yada, Shizuoka 422 8526, Japan
Environ Sci Technol 39:5592-9. 2005..5. Personal exposure of nonsmokers to BaP, as calculated from the time-weighted living room, bedroom, and either workplace or outdoor concentrations, accounted for 92-107% of the measured levels of BaP-TEQ...
Occurrence, profiles, and photostabilities of chlorinated polycyclic aromatic hydrocarbons associated with particulates in urban airTakeshi Ohura
Institute for Environmental Sciences, University of Shizuoka, Shizuoka 422 8526, Japan
Environ Sci Technol 39:85-91. 2005..The photolyses of chlorophenanthrenes and 7-chlorobenz[a]anthracene were confirmed to proceed by initial abstraction of chlorine, followed by oxidative degradation...
Organic air pollutants inside and outside residences in Shimizu, Japan: levels, sources and risksTakeshi Ohura
Institute for Environmental Sciences, University of Shizuoka, 52 1 Yada, Shizuoka 422 8526, Japan
Sci Total Environ 366:485-99. 2006....
Polycyclic aromatic hydrocarbons in indoor and outdoor environments and factors affecting their concentrationsTakeshi Ohura
Institute for Environmental Sciences, University of Shizuoka, 52 1 Yada, Shizuoka 422 8526, Japan
Environ Sci Technol 38:77-83. 2004..The carcinogenicity of the indoor PAH mixture was dominated by naphthalene followed by BaP and dibenz[a,h]anthracene...
Seasonal variability of 1-chloropyrene on atmospheric particles and photostability in tolueneTakeshi Ohura
Institute for Environmental Sciences, University of Shizuoka, 52 1, Yada, Shizuoka 422 8526, Japan
Chemosphere 57:831-7. 2004..In addition, the dechlorination of Cl-Py (i.e., the formation of Py) occurred in the presence of AQ...
Spatial distributions and profiles of atmospheric polycyclic aromatic hydrocarbons in two industrial cities in JapanTakeshi Ohura
Institute for Environmental Sciences, University of Shizuoka, 52 1 Yada, Shizuoka 422 8526, Japan
Environ Sci Technol 38:49-55. 2004....
Discovery of novel halogenated polycyclic aromatic hydrocarbons in urban particulate matters: occurrence, photostability, and AhR activityTakeshi Ohura
Institute for Environmental Sciences, University of Shizuoka, 52 1 Yada, Shizuoka 422 8526, Japan
Environ Sci Technol 43:2269-75. 2009..Toxic equivalents based on the relative potencies of each AhR activity and the ambient concentrations showed that either BrPAHs or CIPAHs accounted for a smaller proportion (approximately 1%) of the total...
Behavior and prediction of photochemical degradation of chlorinated polycyclic aromatic hydrocarbons in cyclohexaneTakeshi Ohura
Institute for Environmental Sciences, University of Shizuoka, 52 1 Yada, Shizuoka 422 8526, Japan
Chemosphere 70:2110-7. 2008....
Aryl hydrocarbon receptor-mediated effects of chlorinated polycyclic aromatic hydrocarbonsTakeshi Ohura
Institute for Environmental Sciences, University of Shizuoka, 52 1 Yada, Shizuoka 422 8526, Japan
Chem Res Toxicol 20:1237-41. 2007..Finally, we discussed the toxicity of exposure to ClPAHs based on the AhR activities, estimated that it would be approximately 30-50 times higher than that of dioxins...
Simultaneous determination of gaseous and particulate chlorinated polycyclic aromatic hydrocarbons in emissions from the scorching of polyvinylidene chloride filmShohoko Fujima
Division of Environmental Health Sciences, Graduate School of Nutritional and Environmental Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
Chemosphere 65:1983-9. 2006..Relationships between the number of chlorine substituents on the naphthalene/phenanthrene rings and the overall concentration and the percentage in the particulate phase were also investigated...
Analysis of N(ε) -ethyllysine in human plasma proteins by gas chromatography-negative ion chemical ionization/mass spectrometry as a biomarker for exposure to acetaldehyde and alcoholRyota Mabuchi
Graduate School of Nutritional and Environmental Sciences and Global COE Program, University of Shizuoka, Shizuoka, Japan
Alcohol Clin Exp Res 36:1013-20. 2012..In this study, we have developed a sensitive and specific method to quantitate NEL levels in human plasma proteins...
Studies on a simultaneous analytical method of urinary nicotine and its metabolites, and their half-lives in urineHideaki Matsuki
Department of Nursing, School of Health Sciences, Tokai University, 143 Shimokasuya, Isehara, Kanagawa 259 1193, Japan
J UOEH 30:235-52. 2008..9, 20.0 and 63.0 hours, respectively...
The 1997 haze disaster in Indonesia: its air quality and health effectsOsamu Kunii
Department of International Community Health, Graduate School of Medicine, The University of Tokyo, Hongo, Japan
Arch Environ Health 57:16-22. 2002..The results of our study demonstrate the need for special care of the elderly and for care of those with a history of asthma. In addition, the use of a proper mask may afford protection...
