The mathematical model previously developed m the Department of Chemical Engmeenng, Monash University for the metal uptake by living algal cells has been revised to take into account the actual surface area through which transfer occurs. Cadmium uptake data obtained using the three algal species Chl
Cadmium uptake by unicellular green microalgae
โ Scribed by A. Khosmanesh; F. Lawson; I.G. Prince
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 527 KB
- Volume
- 62
- Category
- Article
- ISSN
- 0923-0467
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The accumulation of cadmium from aqueous systems by various green microalgae was investigated with focus on Chlorella regularis as it is known to concentrate large amounts of heavy metals. The amount of cadmium absorbed by Chlorella cells was rapid during the first 30 min following addition of cadmi
The kinetics of cadmium uptake by Selenastrum capricornutum Printz was studied at 21 ~ and 0 ~ and at four different concentrations of free cadmium (10 -9, 10 -8, 10 -7 and 10 -3 M). The free cadmium concentrations in the medium were kept constant through buffering by a chelating agent (NTA). Initi
Acetate uptake by strains of Synechococcus and Aphanocapsa in short experiments required light, and was strongly inhibited by m-dichlorocarbonyl cyanide phenylhydrazone and dichlorophenyl dimethyl urea. Acetate carbon was distributed in amino acids and in the acyl portion of lipids in the same way a
Frequent growth of unicellular blue-green alga Aphanothece sp. was observed in medium free of combined nitrogen. Its generation time was 12 h and more than 2 mg of nitrogen was fixed in 25 days. Its growth and nitrogen fixation were comparable to other heterocystous algae. Nitrogen fixation in blue