Bioremediation in Latin America: Current Research and by Analía Alvarez, Marta Alejandra Polti

By Analía Alvarez, Marta Alejandra Polti

The e-book compiles an replace information regarding the kingdom of bioremediation in rising Latin American nations. a few of the studied areas are websites that suffered many years of pollutants by means of agrochemicals, heavy metals and commercial waste as a result of the loss of keep an eye on by way of executive rules. Such is the case of Northern Argentina, the place have been illegally deposited over 30 tn of out of date organochlorine insecticides in 1994. The content material has targeted within the use of local organisms (from micro organism to crops) as a manageable approach to the matter of toxins, utilizing reasonably cheap and strong options, socially good approved and applicable from the environmental perspective. during this context, degrees of pesticide present in the Latin American inhabitants are knowledgeable. It used to be additionally displayed as a multidisciplinary strategy in line with matters of a various crew of researchers (biochemists, biologists, chemical engineers and geneticists) a few international challenge, facing particular instances of research, with a purpose to venture their findings to around the world. during this regard, researchers offer their findings to regulatory sectors, whom can make applicable decisions.

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There was a tendency toward higher levels of chlorinated pesticides in the problem cases than in the controls, but difference statistically significant was found only for β-HCH, being not possible to determine a consistent relationship between OCP residues and breast cancer. These results are consistent with studies in other regions (Safe 2001). Another Latin American study compared human exposure to PCBs in adipose tissue samples collected from Concepción (Chile) and Siena (Italy). ΣPCBs were higher in Italian samples than those from Chile (493 and 53 ng/g, respectively).

During 2007, a descriptive and cross-sectional study of presence of OCPs in blood samples of healthy children was performed in Córdoba city (Argentina). Samples were collected in children (aged between 1 and 14 years) from two villages: Ituzaingó neighborhood [with high values and high frequency of OCPs registered in 2005 (n = 142)] and from children of the rest of the province [without exposure, reference population (n = 62)]. DDT group showed the highest frequency of occurrence in both groups (Ituzaingó: 65 %, reference: 27 %), followed by HCH isomers (Ituzaingó: 41 %, reference: 31 %) (Fig.

Organohalogen Compd 72:116–171 Trejo-Acevedo A, Díaz-Barriga F, Carrizales L et al (2009) Exposure assessment of persistent organic pollutants and metals in Mexican children. S. Ridolfi et al. Turci R, Finozzi E, Catenacci G et al (2006) Reference values of coplanar and non-coplanar PCBs in serum samples from two Italian population groups. Toxicol Lett 162:250–255 Varayoud J, Monje L, Bernhardt T et al (2008) Endosulfan modulates estrogen-dependent genes like a non-uterotrophic dose of 17β-estradiol.

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