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The effect of pretreatment of Aspergillus niger biomass on biosorption of lead, cadmium, copper and nickel was studied. Pretreatment of live A. niger biomass using sodium hydroxide, formaldehyde, dimethyl sulphoxide and detergent resulted in significant improvements in biosorption of lead, cadmium and copper in comparison with live A. niger cells. Pretreatment of A. niger reduced biosorption of...
The marine diatom Phaeodactylum tricornutum Bohlin was exposed to different cadmium concentrations (1-100 mg l -1 ) for 4 days. The amount of cadmium removed was recorded, with particular attention paid to long-term uptake kinetics, and to the cellular location of cadmium. Cadmium accumulation occurred at all concentrations assayed. The EC 50 of cadmium to P. tricornutum...
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