Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2004 by Universidad Católica de Valparaíso -- Chile
Vol. 7 No. 3, Issue of December 15, 2004
 

Table 4. Uptake of nickel and chromium added to the medium as lethal doses after 8 days of growth of free cells and immobilized cells of Aulosira fertilissima.

Condition

Nickel

Chromium

Initial conc. of Ni in the medium

Final conc. of Ni in the medium after 8 days

Percentage uptake

Initial conc. of Cr in the medium

Final conc. of Cr in the medium after 8 days

Percentage uptake

(in mg l-1)

(in mg l–1)

Free cells
0.001
0.0003
70%
0.020
0.0015
25%

Immobilized cells

0.001

0.00011

89%

0.020

0.0009

55%


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