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Jak ovlivňují magnetické kapaliny klíčivost a počáteční růst bělohořčice seté (Leucosinapis alba (L.) spach)
Šerá, B. ; Vlčková, V. ; Maděrová, Zdeňka
In this research we investigated toxicity of three types of water based magnetic iron fluids (acidic pH 2.7, alkaline pH 6.4, and citrate ferrofluids pH 6,4) at four concentrations 0.10, 0.25, 0.5 and 1.00 mg of nanoparticles of magnetic iron oxides in 1 ml ground fluids (surfactant and solvent). Seed germination and ground growth characteristics on seed dressing (used white mustard) were investigated. Significant toxicity was found at acidic ferrofluid, on the other hand a neutral effect was found at citrate ferrofluid. Values of investigated characteristics at alkaline ferrofluid brought interesting findings. The higher concentrations of iron oxides were toxic (0.5 and 1.00 mg/ml) and the lower ones (0.10 and 0.25 mg/ml) like partly eliminated the influence of the effect of ground fluids.

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