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. 2012 Mar 29;7(3):e33439. doi: 10.1371/journal.pone.0033439

Figure 6. The hydrogen threshold concentration for acetogenesis from H2+CO2.

Figure 6

Time course of hydrogen oxidation by cell supensions of A. woodii with CO2 as terminal electron acceptor. Assays received 1.5 (▴) or 1 ml (•) hydrogen. One assay did not contain cells (▪). At the indicated time point, hydrogen was added again to proof the viability of the cells.