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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Phytoextraction of non-steroidal anti-inflammatory substances
 Sacher, Šimon ; Smrček, Stanislav (advisor) ; Vlk, Martin (referee)
Phytoextraction is an example of a method of removal of chemical pollutants from the environment. The objective of this thesis was the possibility of the removal of selected pharmaceuticals and one pharmaceutical metabolite through maize (Zea mays) growth. The main point of interest was the group of pharmaceuticals called NSAIDs. One of the chosen pharmaceuticals being ibuprofen, whose initial concentration in the growing medium of 5 mg/l was lowered in 9 days by 99 % and from the initial concentration of 10 mg/l of the same pharmaceutical by 77 %. The possibility of phytoextraction of the metabolite 2-hydroxyibuprofen was also examined. From its initial concentration of 5 mg/l the concentration was lowered by 47 % in 9 days. The last examined xenobiotic was ketoprofen whose initial concentration of 5 mg/l was lowered by 89 % in 9 days. The concentration of pharmaceuticals accumulated in the plant body during the cultivation was assessed. The values of concentration were higher in the shoot system and were dispersed in the magnitude of hundreths of mg of the pharmaceutical per g of fresh plant weight. In the root system the values fell into the magnitude of thousandths of mg per g of fresh plant weight. The concentration of accumulated 2-hydroxyibuprofen fell under the limit of detection. The...
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