Wynik wyszukiwania w bazie Polska Bibliografia Lekarska GBL

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Tytuł oryginału: Bioindykacyjne poszukiwania talu na terenach południowej Polski.
Tytuł angielski: Search for thallium in the areas of southern Poland by means of bioindication methods.
Autorzy: Dmowski Krzysztof, Kozakiewicz Anna, Kozakiewicz Michał
Źródło: Kosmos 2002: 51 (2) s.151-163, il., tab., bibliogr. s. 161-163, sum.
Sygnatura GBL: 313,370

Hasła klasyfikacyjne GBL:
  • toksykologia
  • ochrona środowiska

    Wskaźnik treści:
  • zwierzęta
  • ludzie

    Streszczenie angielskie: Thallium is a highly toxic element. For this reason it was applied in production of rodenticdes and insecticides for many years. At present, after a ban on T1 rat poisons, it is used only in small amounts. At the beginning of the article, is presented the toxic impact of thallium at the molecular level, its cumulation in particular plant and animal tissues as well as its influence onthe condition of individuals and populations. In vertebrate tissues the element cumulates mostly in kidneys and livers and causes very severe neurological, gastrointestinal and cardiovascular disturbances. Despite its toxicity, thallium is an element very rarely studied in Poland and it is not under any routine monitoring. The research, carried out in the 1990-ties at the Department of Ecology, Warsaw University, in industrialised areas, allowed to point out several regions of the country which are seriously theratened by thallium, as well as to indicate direct sources of pollution. A two-step bioindication method was applied. Thallium concentrations were first measured in magpie feathers, and then in internal tissues of rodents. Polluted regions included mainly the surroundings of the zinc smelter "Bolesław" in Bukowno near Olkusz and a non-ferrous metal smelter in Szopienice (district of Katowice). The thallium originated from post-floatation waste arising during Pb, Zn and Cd ore processing and stored in deposit reservoirs. The study of many plants, fungi, invertebrates and rodents carried out afterwards at the Department of Ecology in both these areas pointed to T1 tissue concentrations distinctly exceeding those that are typical for unpolluted samples,...

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