Fig. 4From: Wavelength shift strategy to enhance lipid productivity of Nannochloropsis gaditanaPigment compositions along with cultivation time. Day 2 (a, d), day 6 (b, e), day 10 (c, f). The data points represent the average of samples and error bars indicate standard error (n = 3). Significant differences, as determined by Student’s t test, are indicated by asterisks (*P < 0.05, **P < 0.01, ***P < 0.001)Back to article page