Figure 1From: Microalgal triacylglycerides production in outdoor batch-operated tubular PBRsTime-evolution of the main parameters followed during nitrogen-starvation. Time-evolution of biomass concentration (C x ) and TAG content (f TAG ) (a), nitrogen (f N ) and carbohydrate content (f carbs ) (b), TAG productivity (P TAG ) (c) for the run inoculated at 1.5 g L−1 in the vertical reactor under low light conditions.Back to article page