Figure 1From: Scale-up of hepatic progenitor cells from multitray stack to 2-D bioreactorsRegulation parameters in XP-10 (A) or XP-180 (B) in the course of time, pH (green), D.O. (blue) and T° (red) evolution. Set points (dashed lines) were fixed at 7.5 for pH and D.O. >50%. T° peaks are due to Xpansion disconnection for microscopic observation or samplings.Back to article page