12.07.2015 Views

Acta Facultatis Ecologiae - Technická univerzita vo Zvolene

Acta Facultatis Ecologiae - Technická univerzita vo Zvolene

Acta Facultatis Ecologiae - Technická univerzita vo Zvolene

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30Tab. 5: Results of positive control of Vicia faba seeds (genotoxicity)Age of seedsamplesin yearsExpositionin Gy/hNo. of evaluatedana-telophasesFrequency of aberrationsin %22 Blank 430 0.702.5 500 0.605 328 1.8310 281 1.0714 Blank 500 0.402.5 500 0.605 448 0.8910 499 1.002 Blank 181 1.102.5 444 0.705 451 1.1110 390 1.54Control (2-years old) 500 0.40Tab. 6: Results of the micronucleus test Tradescantia paludosa 02Sample No.Activity 137 CspGy/secExpositionin hrs/recoverytimeNo. of evaluated*I. ana-telophasesxII. ana-telophasesotetradesFrequency ofaberrations andMCN oin %2 571 12/0 *500 3.6 ± 0.4 +2 571 12/30 x500 2.4 ± 0.4 +2 571 12/30 o1000 o4.5 ± 0.2 +Negative control 9.5 12/0 500 1.8 ± 0.2Positive control(diffusive exposition)1000 12/0 500 8.9 ± 1.21000 12/12 500 4.8 ± 0.4+ without recovery time (with recovery time clastogenicity was not increased)Tab. 7: Results of the Tradescantia test 4430 SHM systemSample No.Activity 137 Cs pGy/secSHM mutations in %9. 10. day after exposition1 507 0.26 ± 0.061a 46.7 0.30 ± 0.052 571 0.36 ± 0.073 196 0.26 ± 0.043a 57 0.23 ± 0.054 9.50 0.16 ± 0.04

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