Fig. 6From: Enhanced biomass productivity of microalgae Nannochloropsis sp. in an airlift photobioreactor using low-frequency flashing light with blue LEDCurve of (a) dead cells of Nannochloropsis sp., (B) contaminants, (c) pH graph when the light is on and (d) pH graph when the light is off in the four low-frequency flashing light treatmentsBack to article page