In JoVE (1)
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Articles by Markus Maisch in JoVE
Laboratory Simulation of an Iron(II)-rich Precambrian Marine Upwelling System to Explore the Growth of Photosynthetic Bacteria Markus Maisch1,2, Wenfang Wu1, Andreas Kappler1, Elizabeth D. Swanner1,2 1Department of Geosciences, University of Tuebingen, 2Department of Geological and Atmospheric Sciences, Iowa State University We simulated a Precambrian ferruginous marine upwelling system in a lab-scale vertical flow-through column. The goal was to understand how geochemical profiles of O2 and Fe(II) evolve as cyanobacteria produce O2. The results show the establishment of a chemocline due to Fe(II) oxidation by photosynthetically produced O2.