Fig. 4
From: Respiration-based investigation of adsorbent-bioprocess compatibility
Cultivation of C. glutamicum DM1933 treated with different adsorbents according to Fig. 2 protocol step Ba, for investigation of nutrient adsorption. Depicted is the oxygen transfer rate (OTR) for different sets of adsorbents (A, B) suitable for lysine adsorption. Detailed information about the applied adsorbents is shown in Table 1. Cultivations were performed in a RAMOS device at 30 °C, 350 rpm, VL = 10 mL in 250 mL RAMOS shake flasks at a shaking diameter of 50 mm, initial pH value 7.25, 20 g/L glucose in CG-XII medium. For clarity, only every fourth measuring point is marked as a symbol. Adsorbents, 6 mgadsorbent/mL, were added. Final OD600 of A Reference: 14.3, Activated carbon 1: 18, Zeolite: 18.1 B Reference: 16.1, Activated carbon 2: 16.7, Activated carbon 4: 18.9. For all curves except the zeolite, mean values of duplicates are shown