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Statements

Subject Item
n2:RIV%2F62157124%3A16270%2F14%3A43873174%21RIV15-MSM-16270___
rdf:type
skos:Concept n7:Vysledek
dcterms:description
Road traffic pollutants and the residues of cytostatics that are widely used in anti-cancer therapy are a significant sources of platinum group elements (PGE; Pt, Pd and Rh) in environment. These metals can migrate into sewage and thus pollute surface waters. The purpose of our study was to evaluate the effect of PtCl4 on the antioxidant and enzymatic activity of duckweed (Lemna minor), a bioindicator of the aquatic environment. The study was performed using a 7-day conventional test based on the OECD 221 (CSN EN ISO 20079) - Lemna sp. Growth Inhibition Test. We also conducted a microbiotest to analyse the effects of PtCl4, PdCl2 and RhCl3 on the morphology and vegetative growth of colonies of this plant and compared their inhibitory effects during the microbiotest. We observed inhibition of colony growth and clear morphological changes. Antioxidant and enzymatic activities increased with platinum doses increased. The 168hEC50 of PtCl4 was 12.16 mýM (95% confidence interval = 9.88-14.44) and the 168hEC50 of PdCl2 was 50.39 mýM (95% confidence interval = 23.83-76.96). The greatest inhibition of growth by RhCl3 was observed at 25 mýM. The obtained results suggest that L. minor phytotoxicity tests should be widely used in the biomonitoring. Road traffic pollutants and the residues of cytostatics that are widely used in anti-cancer therapy are a significant sources of platinum group elements (PGE; Pt, Pd and Rh) in environment. These metals can migrate into sewage and thus pollute surface waters. The purpose of our study was to evaluate the effect of PtCl4 on the antioxidant and enzymatic activity of duckweed (Lemna minor), a bioindicator of the aquatic environment. The study was performed using a 7-day conventional test based on the OECD 221 (CSN EN ISO 20079) - Lemna sp. Growth Inhibition Test. We also conducted a microbiotest to analyse the effects of PtCl4, PdCl2 and RhCl3 on the morphology and vegetative growth of colonies of this plant and compared their inhibitory effects during the microbiotest. We observed inhibition of colony growth and clear morphological changes. Antioxidant and enzymatic activities increased with platinum doses increased. The 168hEC50 of PtCl4 was 12.16 mýM (95% confidence interval = 9.88-14.44) and the 168hEC50 of PdCl2 was 50.39 mýM (95% confidence interval = 23.83-76.96). The greatest inhibition of growth by RhCl3 was observed at 25 mýM. The obtained results suggest that L. minor phytotoxicity tests should be widely used in the biomonitoring.
dcterms:title
Study of the influence of platinum, palladium and rhodium on duckweed (Lemna minor) Study of the influence of platinum, palladium and rhodium on duckweed (Lemna minor)
skos:prefLabel
Study of the influence of platinum, palladium and rhodium on duckweed (Lemna minor) Study of the influence of platinum, palladium and rhodium on duckweed (Lemna minor)
skos:notation
RIV/62157124:16270/14:43873174!RIV15-MSM-16270___
n3:aktivita
n4:S
n3:aktivity
S
n3:cisloPeriodika
Suppl.2
n3:dodaniDat
n12:2015
n3:domaciTvurceVysledku
n9:3914240 n9:2616254 n9:4771079 n9:4516095 n9:5752086
n3:druhVysledku
n15:J
n3:duvernostUdaju
n8:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
48346
n3:idVysledku
RIV/62157124:16270/14:43873174
n3:jazykVysledku
n16:eng
n3:klicovaSlova
antioxidant activity; spectrophotometry; Lemna minor; duckweed; platinum group elements (PGE)
n3:klicoveSlovo
n11:platinum%20group%20elements%20%28PGE%29 n11:duckweed n11:spectrophotometry n11:antioxidant%20activity n11:Lemna%20minor
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[70BEE96BB28A]
n3:nazevZdroje
Neuroendocrinology Letters
n3:obor
n17:EH
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
9
n3:rokUplatneniVysledku
n12:2014
n3:svazekPeriodika
35
n3:tvurceVysledku
Kizek, René Beklová, Miroslava Mikulášková, Hana Sochor, Jiří Straková, Lenka Hynek, David Adam, Vojtěch Bednářová, Ivana Havelková, Barbora
n3:wos
000351064900004
s:issn
0172-780X
s:numberOfPages
8
n13:organizacniJednotka
16270