dioxin

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dioxin

[dī′äk·sən]
(organic chemistry)
A member of a family of highly toxic chlorinated aromatic hydrocarbons; found in a number of chemical products as lipophilic contaminants. Also known as polychlorinated dibenzo-para-dioxin.
References in periodicals archive ?
Shield-stage (~6 hpf) embryos were exposed to 0, 0.0625, 0.125, 0.25, 0.5, or 1 ng/mL TCDD (311 nM, 95.3% purity; SUPELCO Solutions Within) or vehicle (0.1% DMSO) with gentle rocking for 1 h in 20-mL glass vials (10 embryos/mL).
We are pleased to work with Khazna on the TCDD award along with their next step as they move forward to achieve the natural progression with Tier Certification of Constructed Facility (TCCF)," said Mustapha Louni, managing director of Middle East and Africa, Uptime Institute.
Briefly, ARPE-19 cells were treated with TCDD (30 nM), Dex (100 nM), or TCDD (30 nM) + Dex (100 nM) for 30 min.
After recently paying a visit to the TCDD, I have no hope for the resumption of the plan until at least 2016," he said.
However, other studies of TCDD and thyroid function have produced less-consistent findings (Occup.
Defects in the heart and circulatory system were observed in both medaka and zebrafish exposed to TCDD, and the defects were seen in the surviving embryos as early as 48 h.
During the last 6 weeks of the diet intervention, the mice from each group were injected intraperitoneally (200 [micro]L/25 g) once a week with either 5 [micro]g/kg TCDD (LGC Standards) diluted in corn oil (Sigma) (n = 16) or the vehicle (nonane diluted in corn oil, Sigma) (n = 14).
According to Cumhuriyet, Mustafa BaE-er, the prosecutor who oversaw the case, has submitted his decision to destroy wiretaps of five TCDD officials to the Ankara Chief Prosecutor's Office.
ANKARA, August 03, 2011 (TUR) -- Turkish State Railways, or TCDD, will make public the launch of a new high-speed rail line which will connect Turkish capital Ankara to central Konya province.
Among these, 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) is the most toxic environmental contaminant in animal studies (Denison and Nagy 2003) and thus is significant for human health (Birnbaum 1994; Larsen 2006; Schecter et al.
A 1976 explosion in an Italian factory rained TCDD over thousands of nearby homes.
The importance of the AHR to human health is demonstrated in part by epidemiological studies based on the population in Seveso, Italy, that was accidentally exposed to the prototypical AHR agonist 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), where the risk for lymphatic and hematological cancers was found to be slightly elevated in adults (Consonni et al.