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Recent Progress in Molecular Oxygen Activation by Iron-Based Materials: Prospects for Nano-Enabled In Situ Remediation of Organic-Contaminated Sites. [PDF]
ToxicsHe F, Xu L, Wang H, Jiang C.
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Environmental Research, 2022
Biochar can facilitate the microbial reduction of various pollutants in soil and groundwater environments, but its impact on Cr(VI) reduction by dissimilatory metal reducing bacteria (DMRB) remains to be systematically investigated. In this study, we prepared biochars at 500 °C and 700 °C from wheat straw and grass, and investigated the impact of these
Bo, Zhang, Wentao, Jiao
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Biochar can facilitate the microbial reduction of various pollutants in soil and groundwater environments, but its impact on Cr(VI) reduction by dissimilatory metal reducing bacteria (DMRB) remains to be systematically investigated. In this study, we prepared biochars at 500 °C and 700 °C from wheat straw and grass, and investigated the impact of these
Bo, Zhang, Wentao, Jiao
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Soil Humic Acid Decreases Biological Uranium(VI) Reduction by Shewanella putrefaciens CN32 [PDF]
Environmental Engineering Science, 2007 Biological reduction of uranium(VI) by Shewanella putrefaciens CN32 was investigated in the presence of soil humic acid (SHA). Experiments were performed under resting cell conditions with uranyl acetate as the electron acceptor and sodium lactate as the electron donor in a NaHCO3 or PIPES/NaHCO3 buffer.
John M Senko +2 more
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Science of The Total Environment, 2022
Microbial remediation provides a promising avenue for the management and restoration of heavy metal-contaminated soils. Microorganisms in soils usually exist within unsaturated biofilms, however, their response to heavy metals is still limited compared to saturated biofilms.
Hui, An +4 more
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Microbial remediation provides a promising avenue for the management and restoration of heavy metal-contaminated soils. Microorganisms in soils usually exist within unsaturated biofilms, however, their response to heavy metals is still limited compared to saturated biofilms.
Hui, An +4 more
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The structure of the carbohydrate backbone of the LPS from Shewanella putrefaciens CN32
Carbohydrate Research, 2002The lipopolysaccharide (LPS) from a natural rough strain of Shewanella putrefaciens CN32 was analyzed using NMR and mass spectroscopy and chemical methods, and the following structure of its carbohydrate backbone is proposed: beta-Galf-(1-->3)-beta-Gal-(1-->4)-beta-Glc-(1-->4)-alpha-DDHep2PEtN-(1-->5)-alpha-Kdo4P-(1-->6)-beta-GlcN4P-(1-->6)-alpha ...
Evgeny, Vinogradov +2 more
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Impact of Zinc on Biological Fe(III) and Nitrate Reduction by Shewanella putrefaciens CN32
Environmental Engineering Science, 2006The impact of zinc on the reductive dissolution of hematite by the dissimilatory metal-reducing bacterium Shewanella putrefaciens CN32 was studied in batch culture mode. Experiments were conducted with hematite (2.0 g L−1) in 10 mM PIPES (pH 6.8) and H2 as the electron donor under nongrowth conditions (108 cell mL−1), spiked with zinc (0 to 0.23 mM ...
James J Stone +2 more
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Journal of Hazardous Materials, 2014
The potential of riboflavin for the reductive degradation of a cyclic nitramine, hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX), was investigated in the presence of lepidocrocite and/or Shewanella putrefaciens CN32. RDX reduction by CN32 alone or CN32 with lepidocrocite was insignificant, while 110 μM RDX was completely reduced by CN32 with riboflavin ...
Bae, S Bae, Sungjun +3 more
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The potential of riboflavin for the reductive degradation of a cyclic nitramine, hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX), was investigated in the presence of lepidocrocite and/or Shewanella putrefaciens CN32. RDX reduction by CN32 alone or CN32 with lepidocrocite was insignificant, while 110 μM RDX was completely reduced by CN32 with riboflavin ...
Bae, S Bae, Sungjun +3 more
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Applied Biochemistry and Biotechnology, 2023
Polyferric sulfate (PFS), an economical coagulant widely used for removing heavy metal contaminants from water, is susceptible to reduction and transformation by iron-reducing bacteria prevalent in sediments. However, the effect of heavy metal ions adsorbed in PFS flocs on this biological process remains unclear. According to our results, compared with
Jiaxin Peng +3 more
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Polyferric sulfate (PFS), an economical coagulant widely used for removing heavy metal contaminants from water, is susceptible to reduction and transformation by iron-reducing bacteria prevalent in sediments. However, the effect of heavy metal ions adsorbed in PFS flocs on this biological process remains unclear. According to our results, compared with
Jiaxin Peng +3 more
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Bioreduction of Nitrobenzene, Natural Organic Matter, and Hematite by Shewanella putrefaciens CN32
Environmental Science & Technology, 2009We examined the reduction of nitrobenzene by Shewanella putrefaciens CN32 in the presence of natural organic matter (NOM) and hematite. Bioreduction experiments were conducted with combinations and varied concentrations of nitrobenzene, soil humic acid, Georgetown NOM, hematite, and CN32.
Fubo, Luan +3 more
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Enzyme and Microbial Technology, 2016
Dissimilatory metal reducing bacteria (DMRB) widely exist in the subsurface environment and are involved in various contaminant degradation and element geochemical cycling processes. Recent studies suggest that DMRB can biosynthesize metal nanoparticles during metal reduction, but it is unclear yet how such biogenic nanomaterials would affect their ...
Ying-Chao Huo +6 more
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Dissimilatory metal reducing bacteria (DMRB) widely exist in the subsurface environment and are involved in various contaminant degradation and element geochemical cycling processes. Recent studies suggest that DMRB can biosynthesize metal nanoparticles during metal reduction, but it is unclear yet how such biogenic nanomaterials would affect their ...
Ying-Chao Huo +6 more
openaire +2 more sources