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Article
Bioremediation of copper-contaminated soils by bacteria
Although copper (Cu) is an essential micronutrient for all living organisms, it can be toxic at low concentrations. Its beneficial effects are therefore only observed for a narrow range of concentrations. Anth...
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Chapter
Bioaugmentation for In Situ Soil Remediation: How to Ensure the Success of Such a Process
Among bioremediation techniques, bioaugmentation is certainly the less easy to control, but at the same time the one exhibiting the greatest potential for the soil cleaning-up. The main challenge for the succe...
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Article
Diatom cultivation and biotechnologically relevant products. Part I: Cultivation at various scales
Biotechnological applications of diatoms are still in development. Further development at the industrial scale will depend on optimisation of the culture process with the aim of reducing costs. Because of the...
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Article
Optimisation of the cell release from immobilised cells of Bacillus simplex cultivated in culture media enriched with Cd2+: influence of Cd2+, inoculum size, culture medium and alginate beads characteristics
Calcium alginate beads were used to entrap a Bacillus sp. that has the ability to biosorb cadmium. During the batch incubation of alginate beads in a `rich' or a `poor' liquid medium, cell release out of the bead...
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Article
Fermentation of D-xylose by free and immobilized Saccharomyces cerevisiae
With D-xylose (50 g l ) as sole carbon substrate, aerobic cultures of S. cerevisiae consumed significant amounts of sugar (26.4 g l ), producing 4.0 g xylitol l but no ethanol. In the presence of a mixture of ...