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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Preparation and phytoextraction of 125-I labelled pharmaceuticals
 Luptáková, Dominika ; Smrček, Stanislav (advisor) ; Soudek, Petr (referee)
Pharmaceuticals are group of organic substances with significant worldwide consumption in human and veterinary medicine. These compounds may be metabolized in the organism, but in some cases they remain unchanged and both are usually excreted via renal excretion in the native form or as metabolites. Large quantities of pharmaceuticals and their metabolites contaminate municipal wastewater. The wastewater treatment plants are unable to remove these substances completely, so they contaminate surface water, groundwater and soil as well. Due to the biological activity of pharmaceuticals, long - term effect may cause bacterial resistance, endocrine influence, DNA and renal damages in non-target organisms. The phytoextraction and the translocation of radiolabeled diclofenac with 125 I were experimentally studied by using of in vitro cultivated plants Helianthus annuus and Zea mays. Efficiency od phytoextraction was monitored as decrease of radioactivity of tested substance [125 I]diclofenac in Murashige-Skoog cultivation medium. Both species are able to extract tested substance during 8 to 10 days of cultivation, with efficiency approximately 85 % using Zea mays and 79 % using Helianthus annuus. Better extraction ability of diclofenac was observed at Helianthus annuus - 80 mg/ kg of dry weight compared...
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