Bioaccumulation of palladium by Desulfovibrio fructosivorans wild-type and hydrogenase-deficient strains |
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| Authors: | Mikheenko I P Rousset M Dementin S Macaskie L E |
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| Institution: | School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, England, United Kingdom. |
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| Abstract: | Wild-type Desulfovibrio fructosivorans and three hydrogenase-negative mutants reduced Pd(II) to Pd(0). The location of Pd(0) nanoparticles on the cytoplasmic membrane of the mutant retaining only cytoplasmic membrane-bound hydrogenase was strong evidence for the role of hydrogenases in Pd(0) deposition. Hydrogenase activity was retained at acidic pH, shown previously to favor Pd(0) deposition. |
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