Fig. 1From: Coupling and uncoupling of triglyceride and beta-carotene production by Dunaliella salina under nitrogen limitation and starvationAverage dilution rate, nitrate concentration, and N:C ratio in microalgae. Black arrows represent sampling for lipid measurements at culture steady state. Cultures were successively N-replete (i), N-limited (ii), and N-starved (iii)Back to article page