Light emitting diodes (LEDs) applied to microalgal production.
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Author/sSchulze, Peter S.C.; Barreira, Luísa A.; Pereira, Hugo G.C.; Perales Vargas-Machuca, José Antonio; Varela, Joao C.S.
DepartmentTecnologías del Medio Ambiente
SourceTrends in Biotechnology. 32 - 8, pp. 423 - 431. 2014
Light-emitting diodes (LEDs) will become one of the world's most important light sources and their integration in microalgal production systems (photobioreactors) needs to be considered. LEDs can improve the quality and quantity of microalgal biomass when applied during specific growth phases. However, microalgae need a balanced mix of wavelengths for normal growth, and respond to light differently according to the pigments acquired or lost during their evolutionary history. This review highlights recently published results on the effect of LEDs on microalgal physiology and biochemistry and how this knowledge can be applied in selecting different LEDs with specific technical properties for regulating biomass production by microalgae belonging to diverse taxonomic groups.