| The biological half-life of pyrene absorbed via the respiratory tract is 9.8 hr. |
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| The concentration of pyrene in the lipid bilayer as well as the temperature were similar in experiment and simulations. |
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| Hplc analysis of the extracts showed that phenanthrene, fluoranthene and pyrene were the most abundant PAHs in all samples. |
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| The rapid appearance of pyrene excimers suggested that when micelles were mixed with buffer at pH 8.5, they quickly aggregated. |
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| Fujiwara repeated uptake and release experiments with both pyrene and phenanthrene, whose molecules are smaller than those of cholestane, with similar results. |
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| The earliest substances identified, in 1953, were benzo pyrene, and other polynuclear aromatic hydrocarbons, which were known to produce tumours in animal experiments. |
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| Potential effects of other probes such as pyrene are briefly discussed. |
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| Some of these compounds were identified by GC-MS as pyrene molecules substituted with alkyl groups such as methyl, ethenyl, or ethynyl. |
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| When the dendron containing pyrene is covalently attached to the carbon nanotube, there is excimer fluorescence from the pyrene. |
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| The captured pollutants range from simple hydrocarbons like benzene to polyaromatic compounds like pyrene. |
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| One popular method utilizes fluorescence emission, using pyrene as probe molecule. |
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| Tests later showed the goo was loaded with pyrene and benzo pyrene, both carcinogenic, as well as lead and potential carcinogens. |
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| During roasting, coffee develops a small amount of benzo pyrene, a strong mutagen and carcinogen which is released during extraction and brewing. |
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| Inhaled benzo pyrene impairs long-term potentiation in the F1 generation rat dentate gyrus. |
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| In addition, vitellin levels were elevated only in females at 63 ppb pyrene after the 6-week exposure. |
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| The 15 chemicals at issue are acetone, anthracene, barium, beryllium, carbon disulfide, 4-chloroaniline, diazinon, fluoranthene, manganese, methyl ethyl ketone, nitrate, nitrite, phenol, pyrene and silver. |
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| Other possible human carcinogens in the PAH family are benzo arthracene, benzo fluoranthene, benzo fluoranthene, chlrysene, dibenz arthracene and indeno pyrene. |
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| Induction of hepatocellular carcinoma in rat liver by initial treatment with benzo pyrene after partial hepatectomy and promotion by phenobarbital. |
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| Badary OA, Al-Shabanah, OA, Nagi MN, Al-Rikabi AC, Elmazar MM Inhibition of Benzo pyrene induced forestomach carcinogenesis in mice by thymoquinone. |
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| Pyrene can be absorbed through the skin, the respiratory tract, and the gastrointestinal tract, whereas naphthalene is mainly absorbed by inhalation. |
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| Benzo Pyrene and polycyclic aromatic hydrocarbons were found in Dwr Cymru water at a property near Merthyr Tydfil. |
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