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Figure 2 | BMC Biotechnology

Figure 2

From: Potential errors in conventional DOT measurement techniques in shake flasks and verification using a rotating flexitube optical sensor

Figure 2

Experimental setup of dissolved oxygen tension (DOT) measurement with rotating flexitube optical sensor system and with sensor spot fixed to the inside flask wall (dashed line) (A); photo of rotating flexitube optical sensor in shake flask (B); computed liquid distribution in a 250 ml shake flask according to Maier and Büchs [24], shaking frequency n = 150 rpm, shaking diameter d0 = 50 mm, filling volume VL = 25 ml, side view (C) and top view (D).

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