Epithermal neutron activation analysis for bacterial transformations of chromium
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TSIBAKHASHVILI, Nelly, MOSULISHVILI, Ligury, KIRKESALI, Elena, KALABEGISHVILI, Tamaz, KERKENJIA, S, FRONTASEVA, Marina, DUCA, Gheorghe, ZINICOVSCAIA, Inga. Epithermal neutron activation analysis for bacterial transformations of chromium . In: Chemistry Journal of Moldova, 2009, nr. 2(4), pp. 8-13. ISSN 1857-1727.
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Chemistry Journal of Moldova
Numărul 2(4) / 2009 / ISSN 1857-1727 /ISSNe 2345-1688

Epithermal neutron activation analysis for bacterial transformations of chromium

Pag. 8-13

Tsibakhashvili Nelly12, Mosulishvili Ligury2, Kirkesali Elena2, Kalabegishvili Tamaz21, Kerkenjia S1, Frontaseva Marina3, Duca Gheorghe4, Zinicovscaia Inga4
 
1 Chavchavadze State University,
2 Andronikashvili Institute of Physics, Ivane Javakhishvili Tbilisi State University,
3 Institutul Unificat de Cercetări Nucleare,
4 Universitatea Academiei de Ştiinţe a Moldovei
 
 
Disponibil în IBN: 5 decembrie 2013


Rezumat

Most powerful primary analytical technique, neutron activation analysis, was applied to study indigenous bacteria, namely, Arthrobacter genera which can be successfully used in detoxification and immobilization of toxic substances. In the present study the effect of Cr(VI) on the elemental content of these bacteria has been examined. The concentrations from 12 to 19 elements such as Na, Al, Cl, K, Fe, Co, Zn, As, Br, Rb, Sr, Sb, Ba, Tb, Th, U were determined in the bacterial cells. The high rate of Cr accumulation in the tested bacterial cells was shown. In bacteria treated with chromate some similarity in the behaviour of the following essential elements − potassium, sodium, chlorine − was observed. Such non-essential elements as Ag, As, Br and U were determined in all bacteria and have to be considered by cells as toxins.

Cuvinte-cheie
neutron activation analysis, Arthrobacter,

electron spin resonance spectrometry

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<title xml:lang='ro'>Epithermal neutron activation analysis for bacterial transformations of chromium
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