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Reduction of radiostrontium absorption in rats fed alginate- or zeolite-enriched diets

100%

Rachubik J., Kowalski B.

Bulletin of the Veterinary Institute in Puławy

2001

tom 45

nr 2

Decontamination efficiency of zeolite and alginate in reducing the radiostrontium transfer to tissues and organs of rats after repeated administration was evaluated. In the group fed the alginate-enriched chow, the ⁹⁰Sr were significantly lower that those recorded in the control animals during the entire study. The highest decontamination efficiency was recorded at third measurement time point. Generally, zeolite was less effective decontamination agent than alginate. Moreover, in some rat organs (kidneys, spleen and testes) the strontium-90 levels were even significantly higher than those in the control rats. So, presently alginate seems to be the most efficient decontamination agent in reducing the radiostrontium transfer to tissues and organs of rats.

Effectiveness assessment of oral administration of bentonite or alginate in reducing the transfer of radiostrontium to tissues and organs of rats

100%

Rachubik J.

Bulletin of the Veterinary Institute in Puławy

2000

tom 44

nr 2

Decontamination efficiency of bentonite from Polish geological deposits and alginate in reducing the radiostrontium transfer to tissues and organs of rats was examined. The ⁹⁰Sr activity concentration in bones of the rats after the bentonite treatment was similar to that of the control animals. In contrast, in bones of the alginate treated rats the radioactivity was markedly higher than that of the control group. In soft tissues and organs the higher decontamination efficiency was found for alginate (up to 97.1 % ). However, bentonite from Polish geological deposits was also fairly efficient in reducing the radiostrontium transfer to rat organisms. Moreover, this decontamination agent is frequently administered and effective in cases of radiocaesium contamination. lt seems that bentonite could be an effective agent used in the case of the environmental radioactive pollution, when radionuclides of strontium and caesium are released simultaneously.

Ograniczanie wyników

2 Bulletin of the Veterinary Institute in Puławy

2 Rachubik J.

1 Kowalski B.

1 2001

1 2000

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Reduction of radiostrontium absorption in rats fed alginate- or zeolite-enriched diets

Effectiveness assessment of oral administration of bentonite or alginate in reducing the transfer of radiostrontium to tissues and organs of rats