Fig. 9From: Applications of microalgal biofilms for wastewater treatment and bioenergy productionGrowth of assembled Biofilm #109 in F2 media and ROC. A (a–d) Images of Biofilm #109 assembled from BAPS-52-1, BAPS-21-1 and BAPS-52-2; Scale bars A (a–c),20 µm; A (d), 1 cm. B Growth rates of Biofilm #109 after 9 days in F2 media and ROC. Significance levels: *P < 0.05Back to article page