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

By Analía Alvarez, Marta Alejandra Polti

The booklet compiles an replace information regarding the nation of bioremediation in rising Latin American nations. a number of the studied areas are websites that suffered a long time of toxins through agrochemicals, heavy metals and commercial waste as a result of loss of regulate through govt laws. Such is the case of Northern Argentina, the place have been illegally deposited over 30 tn of out of date organochlorine insecticides in 1994.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 concentrated within the use of local organisms (from micro organism to crops) as a attainable method to the matter of pollutants, utilizing reasonably cheap and robust strategies, socially good permitted and applicable from the environmental standpoint. during this context, degrees of pesticide present in the Latin American inhabitants are knowledgeable. It used to be additionally displayed as a multidisciplinary process in accordance with issues of a various crew of researchers (biochemists, biologists, chemical engineers and geneticists) a couple of worldwide challenge, facing particular instances of analysis, to be able to undertaking their findings to around the globe. during this regard, researchers offer their findings to regulatory sectors, whom can make applicable decisions.

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Additional info for Bioremediation in Latin America: Current Research and Perspectives

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The concept of toxicity due to POPs in child population is related to environmental long-term exposure to low concentrations, and increased susceptibility. Studies in Argentina show the presence of OCP in children even after decades of prohibition; for this reason children should be evaluated through epidemiological monitoring because they are not occupationally exposed, but reflect environmental exposure to a greater extent than adults. The results of studies in Latin American populations demonstrate exposure to POPs, whose levels depend on age, sex, and place of residence.

Organochlorines accumulated in the mother could be transferred transplacentally to the developing fetus and from breast milk to the nursing infant. The frequencies and concentrations of organochlorine residues in adipose tissue reported in this study were higher than those reported in developed countries (Botella et al. 2004; Porta et al. 2008). Another study by the same group of researchers in a subsample of 55 women diagnosed with invasive breast carcinoma from Santa Fe city area (a littoral region in Argentina) found a positive correlation between progesterone receptor (PR) expression (an estrogen-induced protein) in the neoplastic cells and organochlorine levels in adipose tissue.

Environ Int 32:797–803 Dua VK, Pant CS, Sharma VP (1996) Determination of level of HCH and DDT in soil, water, and whole blood from bioenvironmental and insecticide sprayed areas of malaria control. Indian J Malariol 33:7–15 Falcon M, Oliva J, Osuna E et al (2004) HCH and DDT residues in human placentas in Murcia (Spain). Toxicology 195:203–208 Fernandes Delgado I, Barretto HHC, Kussumi TA et al (2002) Serum levels of organochlorine pesticides and polychlorinated biphenyls among inhabitants of Greater Metropolitan Rio de Janeiro, Brazil.

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