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americanyk

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yusen_1982(½ð±Ò+1):»¶Ó­ÌÖÂÛ£¡ 2010-12-05 20:16:13
The toxicity depends on the detail chemicals. Some are toxic, some arenot.
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dxj2839

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so what do u think of  perylene and its derivatives.
3Â¥2010-12-02 20:17:28
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yusen_1982(½ð±Ò+1):»¶Ó­ÌÖÂÛ£¡ 2010-12-05 20:16:22
Perylene or perilene is a polycyclic aromatic hydrocarbon with the chemical formula C20H12, occurring as a brown solid. It or its derivatives may be carcinogenic, and it is considered to be a hazardous pollutant. In cell membrane cytochemistry, perylene is used as a fluorescent lipid probe.
4Â¥2010-12-02 21:29:56
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