The effect of electric field stimulation on the biosorption of uranium by non-living biomass derived from Kluyveromyces marxianus IMB3
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- Donnellan, N., Rollan, A., McHale, L. et al. Biotechnol Lett (1995) 17: 439. doi:10.1007/BF00130804
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Non-living biomass from the thermotolerant, ethanol-producing yeast strain Kluyveromyces marxianus IMB3 is capable of uranium biosorption. The biomass has an observed biosorption capacity of 115mg uranium/g dry weight of biomass with a calculated value of 127mg uranium/g dry weight. Following exposure of the biomass to electric fields of 2,500 V/cm for 20msec. the maximum biosorption capacity (observed or calculated) for uranium did not differ significantly for the untreated biomass. However, at lower residual concentrations of uranium (<10mg/L) the capacity of the treated biomass for uranium was significantly increased above values obtained with untreated material.