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Enhanced heavy metal immobilization by a bacterial-chitosan complex in soil

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Abstract

Soil contaminated with heavy metals (e.g., Pb2+, Cu2+, and Zn2+) was treated with aminopoly-saccharide chitosan alone or a strain of the bacterium Bacillus subtilis to determine their effects on metal ion accumulations. Phosphatase and Chitosanase production were also assayed. The combined bacterial-chitosan treatment showed the greater accumulation of Zn2+ followed by Cu2+ as compared to single treatments, while Pb2+ did not show a marked accumulation by either single or combined treatments.

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Authors and Affiliations

  1. CARC/College of Agriculture and Human Sciences Prairie View A&M University, Prairie View, 77446-4079, Texas, USA

    R. G. Cuero

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  1. R. G. Cuero
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Cuero, R.G. Enhanced heavy metal immobilization by a bacterial-chitosan complex in soil. Biotechnol Lett 18, 511–514 (1996). https://doi.org/10.1007/BF00140194

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  • DOI: https://doi.org/10.1007/BF00140194

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