Alexander Johs R&D Staff Contact JOHSA@ORNL.GOV All Publications S-adenosyl-L-methionine is the unexpected methyl donor for the methylation of mercury by the membrane-associated HgcAB complex Sorption kinetics and stability of conventional adsorbents for mercury remediation The Impact of Sorbent Amendments for Mercury Remediation on the Viability of Soil Microorganisms New Opportunities for Neutrons in Environmental and Biological Sciences A hidden demethylation pathway removes mercury from rice plants and mitigates mercury flux to food chains Light-independent phytoplankton degradation and detoxification of methylmercury in water Sonochemical oxidation and stabilization of liquid elemental mercury in water and soil High methylation potential of mercury complexed with mixed thiolate ligands by Geobacter sulfurreducens PCA ORNL Second Target Station Project: Biological & Environmental Science Workshop Mercury Reduction, Uptake, and Species Transformation by Freshwater Alga Chlorella vulgaris under Sunlit and Dark Conditions Unravelling biogeochemical drivers of methylmercury production in an Arctic fen soil and a bog soil Mercury Remediation Technology Development for Lower East Fork Poplar Creek—FY 2021 Update Mercury Remediation Technology Development for Lower East Fork Poplar Creek FY20 Update Spectroscopic and computational investigations of organometallic complexation of group 12 transition metals by methanobactins from Methylocystis sp. SB2 Interaction of Soil Microbes with Organoclays and their Impact on the Immobilization of Hg under Aerobic Conditions... Assessing Microbial Communities Related to Mercury Transformations in Contaminated Streambank Soils Evaluation of engineered sorbents for the sorption of mercury from contaminated bank soils: a column study Structure determination of the HgcAB complex using metagenome sequence data: insights into microbial mercury methylation First Experiments New Science Opportunities at the Spallation Neutron Source Second Target Station (abridged) First Experiments: New Science Opportunities at the Spallation Neutron Source Second Target Station... Dissolved organic matter reduces the effectiveness of sorbents for mercury removal Kinetics of Enzymatic Mercury Methylation at Nanomolar Concentrations Catalyzed by HgcAB Mercury Uptake by Desulfovibrio desulfuricans ND132: Passive or Active? Electrochemical properties of the interaction between cytochrome c and a hematite nanowire array electrode Unraveling Microbial Communities Associated with Methylmercury Production In Paddy Soils Pagination Current page 1 Page 2 Page 3 Next page ›› Last page Last » Key Links Curriculum Vitae ORCID Organizations Biological and Environmental Systems Science Directorate Environmental Sciences Division Earth Systems Science Section Biogeochemical Dynamics Group User Facilities Spallation Neutron Source High Flux Isotope Reactor
