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Comparative studies of the heavy metal uptake of whole cells and different types of cell walls fromChlorella fusca

✍ Scribed by Barbara Wehrheim; Michael Wettern

Publisher: Springer-Verlag
Year: 1994
Tongue: English
Weight: 432 KB
Volume: 8
Category: Article
ISSN: 0951-208X
DOI: 10.1007/bf00155412

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✦ Synopsis

Short-term uptake of cadmium, copper and lead by whole cells, mother cell walls (mew) and cell walls from cell homogenates (hew) of Chlorella fusca were similar for all biosorbents:

Adsorption equilibrium was reached five minutes after metal addition. Analogous, over 90% of the readily adsorbed metal ions could be desorbed by a 1 minute EDTA treatment. In all cases, short-term or long-term uptake and single ion solution or metal mixtures, whole cells showed the highest metal accumulation while hew adsorbed more metal ions than mew. The role of the cell wall for metal ion adsorption is discussed.

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