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TOXICITY OF ZINC TO HETEROTROPHIC BACTERIA FROM A TROPICAL RIVER SEDIMENT
2007
Applied Ecology and Environmental Research
Nweke et al.:Toxicity of zinc to heterotrophic bacteria froma tropical river sediment APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH 5(1): 123-132 Abstract. Tolerance to Zn 2+ by pure cultures of Bacillus, Salmonella and Arthrobacter species isolated from New Calabar River sediment was assessed through dehydrogenase assay. The cultures were exposed to Zn 2+ concentrations of 0.2 to 2.0 mM in a nutrient broth-glucose-TTC medium. The responses of the bacterial strains varied with Zn 2+ concentration.
doi:10.15666/aeer/0501_123132
fatcat:k3gp5dlspnckhelrljjg2zx22q