Fig. 2
From: Applications of microalgal biofilms for wastewater treatment and bioenergy production
Absorbance spectra of Biofilm #52 and its photosynthetic components. a OD300–700 values of pigments extracted from Biofilm #52 and its photosynthetic components. b Biofilm #52 grown in nutrient-sufficient (green) and nutrient-depleted (yellow) media. c OD300–700 values of pigments extracted from Biofilm #52 grown in nutrient sufficient and nutrient-depleted media. b Scale bar 1 cm