Selected articles - Metal-mineral-organic matter interactions

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1. Pesch, M.-L., Hoffmann, M., Christl, I., Kraemer, S.M. and Kretzschmar, R. (2013): Competitive ligand exchange between Cu-humic acid complexes and methanobactin. Geobiology 11: 44-54. Full text
2. Hoffmann, M., Mikutta, C. and Kretzschmar, R. (2012): Bisulfide reaction with natural organic matter enhances arsenite sorption: Insights from X-ray absorption spectroscopy. Environ. Sci. Technol. 46: 11788-11797. Full text
3. Maurer, F., Christl, I., Hoffmann, M., and Kretzschmar, R. (2012): Reduction and reoxidation of humic acid: Influence on speciation of cadmium and silver. Environ. Sci. Technol. 46: 8808-8816. Full text
4. Christl., I. (2012): Ionic strength- and pH-dependence of calcium binding by terrestrial humic acids. Environ. Chem. 9: 89-96. Full text
5. Langner, P., Mikutta, C., and Kretzschmar, R. (2012): Arsenic sequestration by organic sulphur in peat. Nature Geoscience. Nature Geoscience 5: 66-73. Full text
   
6. Christl, I., Imseng, M., Tatti, E., Frommer, J., Viti, C., Giovannetti, L., and Kretzschmar, R. (2012): Aerobic reduction of chromium(VI) by Pseudomonas corrugata 28: Influence of metabolism and fate of reduced chromium. Geomicrobiol. J. 29: 173–185. Full text
7. Mikutta, C., and Kretzschmar, R. (2011): Spectroscopic evidence for ternary complex formation between arsenate and ferric iron complexes of humic substances. Environ. Sci. Technol. 45: 9550-9557. Full text
8. Huang, J.-H., Elzinga, E.J., Brechbuehl, Y., Voegelin, A., and Kretzschmar, R. (2011): Impacts of Shewanella putrefaciens strain CN-32 cells and extracellular polymeric substances on the sorption of As(V) and As(III) on Fe(III)-(hydr)oxides. Environ. Sci. Technol. 45: 2804–2810. Full text
9. Mikutta, C., Frommer, J., Voegelin, A, Kaegi, R., and Kretzschmar, R. (2010): Effect of citrate on the local Fe coordination in ferrihydrite, arsenate binding, and ternary arsenate complex formation. Cosmochim. Geochim. Acta 74:5574-5592. Full text
10. Maurer, F., Christl, I., and Kretzschmar, R. (2010): Reduction and reoxidation of humic acid: Influence on spectroscopic properties and proton binding. Env. Sci. Technol. 44: 5787–5792. Full text
11. Richter, M.K., Sander, M., Krauss, M., Christl, I., Dahinden, M.G., Schneider, M.K., and Schwarzenbach, R.P. (2009): Cation binding of antimicrobial sulfathiazole to Leonardite humic acid. Env. Sci. Technol. 43: 6632-6638. Full text
    
12. Courdouan, A., Christl, I., Rabung, T., Wersin, P., and Kretzschmar, R. (2008): Proton and trivalent metal cation binding by dissolved organic matter in the Opalinus Clay and the Callovo-Oxfordian formation. Environ. Sci. Technol. 42:5985-5991. Full text
    
13. Mikutta, C., Mikutta, R., Bonneville, S., Wagner, F., Voegelin, A., Christl, I., and Kretzschmar, R. (2008): Synthetic coprecipitates of exopolysaccharides and ferrihydrite. Part I. Characterization. Geochim. Cosmochim. Acta 72: 1111-1127. Full text
    
14. Mikutta, C., and Kretzschmar, R. (2008): Synthetic coprecipitates of exopolysaccharides and ferrihydrite. Part II. Siderophore-promoted dissolution. Geochim. Cosmochim. Acta 72: 1128-1142. Full text
    
15. Courdouan, A., Christl, I., Meylan, S., Wersin, P., and Kretzschmar, R. (2007): Characterization of dissolved organic matter in anoxic rock extracts and in situ pore water of the Opalinus Clay. Applied Geochemistry 22: 2926-2939. Full text
    
16. Courdouan, A., Christl, I., Meylan, S., Wersin, P., and Kretzschmar, R. (2007): Isolation and characterization of dissolved organic matter from the Callovo-Oxfordian formation. Applied Geochemistry 22: 1537-1548. Full text
    
17. Christl, I., and Kretzschmar, R. (2007) C-1s NEXAFS spectroscopy reveals chemical fractionation of humic acid by cation-induced coagulation. Environ. Sci. Technol. 41: 1915-1920. Full text
    
18. Schumacher, M., Christl, I., Vogt, R.D., Barmettler, K., Jacobsen, C., and Kretzschmar, R. (2006): Chemical composition of aquatic dissolved organic matter in five boreal forest catchments sampled in spring and fall seasons. Biogeochemistry 80: 263-275. Full text
    
19. Schumacher, M., Christl, I., Scheinost, A.C., Jacobsen, C., and Kretzschmar, R. (2005): Chemical heterogeneity of organic soil colloids investigated by scanning transmission X-ray microscopy and C-1s NEXAFS micro-spectroscopy. Environ. Sci. Technol. 39: 9094-9100. Full text
    
20. Christl, I., Metzger, A., Heidmann, I., and Kretzschmar, R. (2005): Effects of humic and fulvic acid concentrations and ionic strength on copper and lead binding. Environ. Sci. Technol. 39: 5319-5326. Full text
    
21. Heidmann, I., Christl, I., and Kretzschmar, R. (2005): Sorption of Cu and Pb to kaolinite-fulvic acid colloids: Assessment of sorbent interactions. Geochim. Cosmochim. Acta 69: 1675-1686. Full text
    
22. Heidmann, I., Christl, I., and Kretzschmar, R. (2005): Aggregation kinetics of kaolinite-fulvic acid colloids as affected by the sorption of Cu and Pb. Environ. Sci. Technol.  39: 807-813. Full text
23. Christl, I., and Kretzschmar, R. (2001) Interaction of copper and fulvic acid at the hematite-water interface. Geochim. Cosmochim. Acta 65: 3435-3442. Full text
    
24. Scheinost, A.C., Kretzschmar, R., Christl, I., and Jacobsen, Ch. (2001) Carbon group chemistry of humic and fulvic acids: A comparison of C-1s NEXAFS and 13C-NMR spectroscopies. In: Ghabbour, E., and Davies, G. (eds.) Humic Substances: Structures, Models and Functions: Cambridge UK, Royal Society of Chemistry, pp 37-45.
25. Kretzschmar, R., and Christl, I. (2001) Proton and metal cation binding to humic substances in relation to chemical composition and molecular size. In: Ghabbour, E., and Davies, G. (eds.) Humic Substances: Structures, Models and Functions: Cambridge UK, Royal Society of Chemistry, pp 153-163.
26. Christl, I., and Kretzschmar, R. (2001). Relating ion binding by fulvic and humic acids to chemical composition and molecular size: I. Proton binding. Environ. Sci. Technol. 35: 2505-2511. Full text
    
27. Christl, I., Milne, C. J., Kinniburgh, D., and Kretzschmar, R., (2001). Relating ion binding by fulvic and humic acids to chemical composition and molecular size: II. Metal binding. Environ. Sci. Technol. 35: 2512-2517. Full text
    
28. Christl, I., Knicker, H., Koegel-Knabner, I., and Kretzschmar, R. (2000). Chemical heterogeneity of humic substances: Characterization of size fractions obtained by hollow fiber ultrafiltration. Europ. J. Soil Science 51: 617-626. Full text
    
29. Kretzschmar, R., Holthoff, H., and Sticher, H. (1998). Influence of pH and humic acid on coagulation kinetics of kaolinite: A dynamic light scattering study. J. Colloid Interface Sci., 202: 95-103. Full text
    
30. Kretzschmar, R., and Sticher, H. (1997). Transport of humic-coated iron oxide colloids in a sandy soil: Influence of Ca2+ and trace metals. Environ. Sci. Technol., 31: 3497-3504. Full text
    
31. Kretzschmar, R., Hesterberg, D., and Sticher, H. (1997). Influence of adsorbed humic acid on surface charge and flocculation of kaolinite. Soil Sci. Soc. Am. J. 61: 101-108.