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Fig. 6 | Microbial Cell Factories

Fig. 6

From: Parallel substrate supply and pH stabilization for optimal screening of E. coli with the membrane-based fed-batch shake flask

Fig. 6

Cell dry weight results for fed-batch cultivations with varied reservoir compositions. a Biomass concentrations with glucose fed-batch cultivations; b biomass concentrations with glucose fed-batch cultivations along with 40 g/L ammonium carbonate; all measured CDW values have been volume-corrected; Cultivation conditions: Wilms-MOPS-mineral medium (culture medium: 200 mM MOPS with 7 g/L initial ammonium sulfate, initial reservoir glucose concentrations: 250/375/500/750 g/L, blue dextran concentration: 1 g/L), temperature: 37 °C, shaking frequency: 350 rpm, shaking diameter: 50 mm, initial culture medium volume: 10 mL, inoculation OD600: 0.5, reservoir filling volume: 2 mL, dialysis membrane: Reichelt 10–20 kDa, membrane area: 18.1 mm2; Strain: E. coli BL21 (DE3) pRhotHi-2-EcFbFP; Concentration values have been volume-corrected

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