Measurement of Toluene Concentrations in the Blood of Fetuses of Pregnant Rats Exposed to Low Concentration Toluene Using Headspace-Solid Phase Micro Extraction-Gas Chromatography-Mass Spectrometry
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概要
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In order to measure the level of toluene in the blood of fetuses of pregnant rats exposed to toluene, application of headspace-solid phase micro extraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS) was studied. Pregnant rats from gestational day 15 (GD15) to GD19 were subjected to inhalational exposure to toluene for 90min per day. They were obtained by Cesarean section on the fifth day of exposure (on GD19), and the level of toluene in the blood of mother rats and in fetuses were quantified using 5μl blood. The levels of toluene in the blood of the fetuses in the groups exposed to toluene at 9ppm and 90ppm were 0.07±0.03μg/ml (n=17) and 2.0±0.51μg/ml (n=16) respectively, which were significantly higher than the blood level of the fetuses in the control group (0.02±0.02μg/ml, n=12). Meanwhile, the blood concentrations of mother rats were 0.06±0.06μg/ml (n=3, control group), 0.14±0.03μg/ml (n=3, 9ppm exposure group), and 3.5±1.5μg/ml (n=4,90ppm exposure group), respectively, which were higher than those of the fetuses per unit blood volume.
- 公益社団法人日本薬学会の論文
- 2009-02-01
著者
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NAKAJIMA Daisuke
National Institute for Environmental Studies
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GOTO Sumio
Azabu University
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NAKAJIMA Daisuke
Research Center for Environmental Risk, National Institute for Environmental Studies
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SHIRAISHI Fujio
Research Center for Environmental Risk, National Institute for Environmental Studies
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GOTO Sumio
College of Environmental Health, Azabu University
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Nakajima Daisuke
Research Center For Environmental Risk National Institute For Environmental Studies
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Goto S
College Of Environmental Health Azabu University
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Goto S
Reseacrh Center For Material Cycles And Waste Management National Institute For Environmental Studie
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Shiraishi Hiroaki
Research Center For Environmental Risk National Institute For Environmental Studies
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Tsukahara Shinji
Research Center for Environmental Risk, National Institute for Environmental Studies
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Hojo Rieko
Research Center for Environmental Risk, National Institute for Environmental Studies
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Kageyama Shiho
Research Center for Environmental Risk, National Institute for Environmental Studies
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Fujimaki Hidekazu
Research Center for Environmental Risk, National Institute for Environmental Studies
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Hojo Rieko
Research Center For Environmental Risk National Institute For Environmental Studies
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Kageyama Shiho
Research Center For Environmental Risk National Institute For Environmental Studies
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Shiraishi Fujio
Research Center For Environmental Risk National Institute For Environmental Studies
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Goto Sumio
College Of Environmental Health Azabu University
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Fujimaki Hidekazu
Research Center For Environmental Risk National Institute For Environmental Studies
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Tsukahara Shinji
Research Center For Environmental Risk National Institute For Environmental Studies
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Nakajima Daisuke
Research Center for Enviromental Risk National Institute for Environmental Studies
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