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Fig. 6 | Biotechnology for Biofuels and Bioproducts

Fig. 6

From: Upgrading dilute ethanol to odd-chain carboxylic acids by a synthetic co-culture of Anaerotignum neopropionicum and Clostridium kluyveri

Fig. 6

Product concentrations (left axis) during continuous fermentation of ethanol (right axis) by the A. neopropionicum–C. kluyveri co-culture. The relevant phases B–E.1, F and G are indicated. The shaded area corresponds to a phase (E.2) where several technical issues occurred and is, therefore, disregarded. The arrow points to the moment we spiked the system with 10 mM propionate

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