Research Topics
| Kenneth H WilliamsSummaryAffiliation: Lawrence Berkeley National Laboratory Country: USA Publications
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Detail Information
Publications
Geophysical imaging of stimulated microbial biomineralizationKenneth H Williams
Department of Environmental Science, Policy, and Management, University of California, Berkeley, California 94720, USA
Environ Sci Technol 39:7592-600. 2005..These results suggest the potential for using geophysical techniques to image certain subsurface biogeochemical processes, such as those accompanying the bioremediation of metal-contaminated aquifers...
Electrode-based approach for monitoring in situ microbial activity during subsurface bioremediationKenneth H Williams
Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
Environ Sci Technol 44:47-54. 2010..Thus it is expected that current production may serve as an effective proxy for monitoring in situ microbial activity in a variety of subsurface anoxic environments...- Geophysical monitoring of coupled microbial and geochemical processes during stimulated subsurface bioremediationKenneth H Williams
Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
Environ Sci Technol 43:6717-23. 2009.... 
Biostimulation induces syntrophic interactions that impact C, S and N cycling in a sediment microbial communityKim M Handley
Department of Earth and Planetary Science, University of California, Berkeley, CA 94720 4767, USA
ISME J 7:800-16. 2013..Results give an insight into ecosystem behavior following addition of simple organic carbon to the subsurface, and demonstrate a range of biological processes and community interactions were stimulated...- Proteogenomic monitoring of Geobacter physiology during stimulated uranium bioremediationMichael J Wilkins
Department of Earth and Planetary Science, University of California, Berkeley, California 94720, USA
Appl Environ Microbiol 75:6591-9. 2009..Thus, metagenomics-independent community proteogenomics can be used to diagnose the status of the subsurface consortia upon which remediation biotechnology relies... - In situ long-term reductive bioimmobilization of Cr(VI) in groundwater using hydrogen release compoundBoris Faybishenko
Lawrence Berkeley National Laboratory, Berkeley, California, USA
Environ Sci Technol 42:8478-85. 2008..The degree of sustainability of Cr(VI) reductive bioimmobilization under different redox conditions at this and other contaminated sites is currently under study... - Fermentation, hydrogen, and sulfur metabolism in multiple uncultivated bacterial phylaKelly C Wrighton
Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720, USA
Science 337:1661-5. 2012..For six organisms, the UGA stop codon is translated as tryptophan. All bacteria studied here may play previously unrecognized roles in hydrogen production, sulfur cycling, and fermentation of refractory sedimentary carbon... - Sulfur isotopes as indicators of amended bacterial sulfate reduction processes influencing field scale uranium bioremediationJennifer L Druhan
Department of Earth and Planetary Science, University of California, Berkeley, California 94720, USA
Environ Sci Technol 42:7842-9. 2008..Results indicate a transition between electron donor and sulfate-limited conditions at the height of sulfate reduction and suggest stability of biogenic FeS precipitates following the end of acetate amendment... - Iron-reducing bacteria accumulate ferric oxyhydroxide nanoparticle aggregates that may support planktonic growthBirgit Luef
Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720, USA
ISME J 7:338-50. 2013.... - Timing the onset of sulfate reduction over multiple subsurface acetate amendments by measurement and modeling of sulfur isotope fractionationJennifer L Druhan
Department of Earth and Planetary Science, University of California Berkeley, Berkeley, California 94720, United States
Environ Sci Technol 46:8895-902. 2012..Our results demonstrate a previously unrecognized hysteretic effect in the spatial distribution of biomass growth during stimulated subsurface bioremediation... - High-density PhyloChip profiling of stimulated aquifer microbial communities reveals a complex response to acetate amendmentKim M Handley
Department of Earth and Planetary Science, University of California, Berkeley, CA 94720, USA
FEMS Microbiol Ecol 81:188-204. 2012..Data implies complex membership among highly stimulated taxa and, by inference, biogeochemical responses to acetate, a nonfermentable substrate... - Geophysical monitoring and reactive transport modeling of ureolytically-driven calcium carbonate precipitationYuxin Wu
Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA
Geochem Trans 12:7. 2011..Our study revealed the potential of geophysical monitoring for geochemical changes during urea hydrolysis and the advantages of combining multiple approaches to understand complex biogeochemical processes in the subsurface... - Mineral transformation and biomass accumulation associated with uranium bioremediation at Rifle, ColoradoLi Li
Earth Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, MS 90 1116, Berkeley, California 94720, USA
Environ Sci Technol 43:5429-35. 2009..This work shows that reactive transport modeling coupled with field data can bean effective tool for quantitative estimation of mineral transformation and biomass accumulation, thus improving the design of bioremediation strategies...