polychlorinated biphenyl

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pol·y·chlo·rin·at·ed biphenyl


polychlorinated biphenyl

(Elements & Compounds) any of a group of compounds in which chlorine atoms replace the hydrogen atoms in biphenyl: used in industry in electrical insulators and in the manufacture of plastics; a toxic pollutant that can become concentrated in animal tissue. Abbreviation: PCB

polychlorinated biphenyl (PCB)

n bifenilo policlorado (BPC), policlorobifenilo
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U20S CALUX cells, transfected with ER[alpha] and a reporter gene, were exposed to MC in the presence of rat liver S9 induced with Aroclor 1254 or [beta]NF/PB (Tab.
In addition, the pattern of polychlorinated congeners almost follows a normal distribution, despite the fact that these congeners had different ratios in the commercial Aroclor mixtures (ATSDR 2000; Frame et al.
Method 608 identifies PCBs by their chromatographic pattern as compared to injection of Aroclor standards under the same chromatographic conditions.
Por ejemplo, Monsanto Corporation produjo especificamente las moleculas Aroclor 1221, 1232, 1242, 1254 y 1260.
The particular pollution the study looked at is called Aroclor 1268, one of a class of chemicals called PCBs.
In early quiescent period (August/September), the fish were exposed to 10, 30 and 50mg Aroclor 1242 per kg body weight for 30 days.
Null effect of dietary Aroclor 1254 on hepatocellular carcinoma incidence in rainbow trout Salmogaird- neriexposed to Aflatoxin B1 as embryos.
The profiles of sites 3, 4 and 5 are matched with Aroclor 1248 profile with some percent from heavier Aroclors like 1254 and 1260, while the profil es of sites 2 and 6 are similar to Aroclor 1254 profile with some percent of lighter Aroclor 1248 (Fig.
Post-mitochondrial fraction (S9 fraction) from rats treated with Aroclor 1254 was prepared according to Maron and Ames (Maron and Ames, 1983).
Antioxidant responses to benzopyrene and Aroclor 1254 exposure in the green mussel, Perna viridis.
Polychlorinated biphenyl mixture aroclor 1254-induced oxidative stress plays a role in dopaminergic cell injury.
The inhibitory effects of polychlorinated biphenyl Aroclor 1254 on Leydig cell LH receptors, steroidogenic enzymes and antioxidant enzymes in adult rats.