Figure 1From: Co-cultivation of Lactobacillus zeae and Veillonella criceti for the production of propionic acid (a) Picture of the running membrane dialysis reactor from Poertner and Maerkl (1998 ). (b) Set-up of the dialysis reactor for the defined co-culture. The “inner chamber” (shows a higher liquid level) is separated from the “outer chamber” by a diffusion membrane. For more details seePoertner and Maerkl (1998 ). Back to article page