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230 C. VARGA, M. MARIAN, A. PETER, D. BOLTEA, L. MIHALY-COZMUTA, E. NOUR metal content in seeds (mg/kg) 100000 10000 1000 100 10 1 reference Fe-10 F Fe-50 F Fe-250 F reference Cu-10 F Cu-20 F Cu-25 F reference Zn-5 F Zn-10 F Zn-15 F reference Pb-100 F Pb-1.000 F Pb-10.000 F Figure 3. Influence of the initial concentration on the metal contents in P. vulgaris seeds originating in Ferneziu Cu content in seeds(mg/kg) 160 140 120 100 80 60 40 20 0 Ferneziu Oarta de Jos reference 10 20 25 Figure 4. Influence of provenience of the P. vulgaris seeds on the Cu content in seeds Various levels of concentration in Fe ions could generate on a plant substantially different outcomes. In small concentrations, Fe ions play a beneficial role, as they are essential to the well-being of the plant. In higher concentrations, however, Fe ions become a source of stress, as at sub-cellular level the concentration of metabolic compounds that react with oxygen goes up [22].
STRATEGIES OF HEAVY METAL UPTAKE BY PHASEOLUS VULGARIS SEEDS GROWING … Fe content in seeds(mg/kg) 1000 100 10 1 Ferneziu Oarta de Jos reference 10 50 250 Figure 5. Dependence of the Fe content in seeds on the origin of P. vulgaris seeds CONCLUSIONS The accumulation of metal ions (Pb 2+ , Zn 2+ , Cu 2+ , Fe 2+ ) in Phaseolus vulgaris seeds (Fabacea family) collected from metalliferous and non-metalliferous areas in Maramures County is the key focus of this study. In this respect, we have used four different concentrations of metal ions and we have investigated their respective degree of imbibition into the seeds. ♦ The intensity of color of the seed (green for Fe 2+ , red-brown for Zn 2+ , red for Cu 2+ and yellow for Pb 2+ ) grows as the concentration of metal ions increases. ♦ Seeds originating in non-metalliferous areas display a higher adsorption capacity of metal ions (except iron) than seeds from metalliferous areas ♦ The plants growing on polluted areas develop during the time, mechanisms to survive in drastically ecologic conditions, following a selection process, thus resulting a particularly ecotype. EXPERIMENTAL SECTION Seed Material Ferneziu is a neighborhood of Baia Mare and also a metalliferous area due to the mining and ore processing activity. The soils originating from this area is very polluted, containing heavy metals (Table 1) and toxic anions which influence the vegetation and fauna growing and propagation. Oarta de Jos is located at aproximatively 50 km away from Baia Mare, in the 231
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R /(mol m -2 s -1 ) 0.06 0.05 0.04
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ANA-MARIA CORMOS, JOZSEF GASPAR, AN
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Studia Universitatis Babes-Bolyai C
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6 PROFESSOR IOAN BÂLDEA AT HIS 70
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MARCELA ACHIM, DANA MUNTEAN, LAURIA
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STUDIA UNIVERSITATIS BABEŞ-BOLYAI,
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STUDIES ON WO3 THIN FILMS PREPARED
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PREPARATION AND CHARACTERIZATION OF
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32 C. CĂŢĂNAŞ, M. MOGOŞ, D. HO
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34 C. CĂŢĂNAŞ, M. MOGOŞ, D. HO
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C. CĂŢĂNAŞ, M. MOGOŞ, D. HORVA
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38 ANA-MARIA CORMOS, JOZSEF GASPAR,
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ANA-MARIA CORMOS, JOZSEF GASPAR, AN
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50 EUGEN DARVASI, LADISLAU KÉKEDY-
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MATHEMATICAL MODELING FOR THE CRYST
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STUDY OF THE CHROMATOGRAPHIC RETENT
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LOWER RIM SILYL SUBSTITUTED CALIX[8
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THE INTERACTION OF SILVER NANOPARTI
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OPTIMISATION OF COPPER REMOVAL FROM
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MELINDA-HAYDEE KOVACS, DUMITRU RIST
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IRON DOPED CARBON AEROGEL AS CATALY
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128 ANDRADA MĂICĂNEANU, HOREA BED
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ANDRADA MĂICĂNEANU, HOREA BEDELEA
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CRISTINA MIHALI, GABRIELA OPREA, EL
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144 CRISTINA MIHALI, GABRIELA OPREA
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146 Interfering ion, J - I - DBS -
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CONCLUSIONS 148 CRISTINA MIHALI, GA
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150 CRISTINA MIHALI, GABRIELA OPREA
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152 D. MIHU, L. VLASE, S. IMRE, C.
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154 Intens. x105 1.5 1.0 0.5 0.0 x1
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D. MIHU, L. VLASE, S. IMRE, C. M. M
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162 A. PETER, M. BAIA, F. TODERAS,
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164 (a) V relative [%] (c) V relati
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A. PETER, M. BAIA, F. TODERAS, M. L
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BIOSORPTION OF PHENOL FROM AQUEOUS
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