Evaluation of the genotoxicity potential and chronic inhalation toxicity of 1,1-dichloro-1-fluoroethane (HCFC-141 b)
نویسندگان
چکیده
منابع مشابه
Metabolism of 1,1-dichloro-1-fluoroethane (HCFC-141b) in human volunteers.
Human subjects were exposed by inhalation to 250, 500, and 1000 ppm 1,1-dichloro-1-fluoroethane (HCFC-141b) for 4 hr, and urine samples were collected from 0-4, 4-12, and 12-24 hr for metabolite analysis. 19F nuclear magnetic resonance spectroscopic analysis of urine samples from exposed subjects showed that 2,2-dichloro-2-fluoroethyl glucuronide and dichlorofluoroacetic acid were the major and...
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Four-Week Inhalation Toxicity Study of 2,2-Dichloro-1,1,1-trifluoroethane (HCFC-123) in Guinea Pigs: Isamu KABE, et al. Department of Preventive Medicine and Public Health, School of Medicine, Keio University—Groups of eight male Hartley guinea pigs were exposed to 30, 100 or 300 ppm 2,2-dichloro-1,1,1-trifluoroethane (HCFC-123) by inhalation for 6 hours a day for 4 wk. All the animals were sac...
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چکیده ندارد.
the evaluation of language related engagment and task related engagment with the purpose of investigating the effect of metatalk and task typology
abstract while task-based instruction is considered as the most effective way to learn a language in the related literature, it is oversimplified on various grounds. different variables may affect how students are engaged with not only the language but also with the task itself. the present study was conducted to investigate language and task related engagement on the basis of the task typolog...
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ژورنال
عنوان ژورنال: Food and Chemical Toxicology
سال: 1995
ISSN: 0278-6915
DOI: 10.1016/0278-6915(95)00015-t