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Fig. 6 | Biotechnology for Biofuels

Fig. 6

From: Efficient whole cell biocatalyst for formate-based hydrogen production

Fig. 6

Substrate and product balance in closed batch fermentation with cells grown on formate. A. woodii was grown in 50 mL carbonate-free growth medium with 100 mM sodium formate at 30 °C in a shaking water bath to an optical density of 0.25–0.3. At this point, production phase was induced by adding 15 mmol sodium formate and 30 µM ETH2120 (+ETH2120) or 15 mmol sodium formate and 20.5 mM ethanol (−ETH2120). Substrate and product balance during the production phase is shown as difference between addition of formate and t = 24 h (end of fermentation)

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