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Journal of Pharmaceutical and Applied Chemistry
An International Journal


Volumes > Vol. 5 > No. 2


Influence of Na on Zn Uptake by Arthrobacter Globiformis 151B

PP: 67-70
A. N. Rcheulishvili, L. S. Tugushi, E. N. Ginturi, M. A. Gurielidze, H.-Y. Holman,
The role of Na on the Zn uptake by Arthrobacter globiformis 151B has been studied. Arthrobacter, that are known as chrome resistant bacteria, can be used for detoxification of high toxic Cr(VI) in polluted environment. The studied bacterial strain was isolated from basalt samples, taken in Georgia Kazreti sampling sites that are highly contaminated with Cr(VI). The bacterial strains were cultivated for various period of time (17, 24, 48, 96 and 144 hours). The Na concentration in the growth media was fixed as 2.0, 3.5, 6.5 and 9.5 mg/ml. The cultivated bacterial samples were prepared for further analysis for Zn content. The measurements were conducted using with atomic absorption spectrophotometer. The obtained results suggest that rise of Zn uptake by Arthrobacter globiformis 151B is facilitated by high Na concentration in the initial stage of bacterial growth.

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