Figure 2.

Cross-section scheme and function of microfluidic MTP. The two different working principles of the microfluidic process control are shown: the microvalve function applied in pH-control (A-C) and the micropump function, used for fed-batch fermentations (D-F). Filled arrows and dark gray color indicate pneumatic pressure in the pneumatic channels and the reservoir wells. Dashed arrows and black color indicate moving liquid due to the pneumatic pressure.

Funke et al. Microbial Cell Factories 2010 9:86   doi:10.1186/1475-2859-9-86
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