Flashing LEDs for microalgal production

Flashing lights are next-generation tools to mitigate light attenuation and increase the photosynthetic efficiency of microalgal cultivation systems illuminated by light-emitting diodes (LEDs). Optimal flashing light conditions depend on the reaction kinetics and properties of the linear electron tr...

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Bibliographic Details
Published in:Trends in Biotechnology
Main Authors: Schulze, Peter S.C., Guerra, Rui Manuel Farinha das Neves, Pereira, Hugo, Lisa Schueler, Lisa M. Schueler, J. C. or Varela J. or Varela J.C.S., Varela
Format: Article in Journal/Newspaper
Language:English
Published: Elsevier Science 2017
Subjects:
Light-emitting-diodes
Chlamydomonas-reinhardtii
Photosynthetic efficiency
Fluctuating light
Oxygenic photosynthesis
Biochemical-composition
Intermittent light
Photosystem-Ii
Pulsed-light
Growth
Nordland
Online Access:http://hdl.handle.net/10400.1/12951
https://doi.org/10.1016/j.tibtech.2017.07.011
Description
Summary:Flashing lights are next-generation tools to mitigate light attenuation and increase the photosynthetic efficiency of microalgal cultivation systems illuminated by light-emitting diodes (LEDs). Optimal flashing light conditions depend on the reaction kinetics and properties of the linear electron transfer chain, energy dissipation, and storage mechanisms of a phototroph. In particular, extremely short and intense light flashes potentially mitigate light attenuation in photobioreactors without impairing photosynthesis. Intelligently controlling flashing light units and selecting electronic components can maximize light emission and energy efficiency. We discuss the biological, physical, and technical properties of flashing lights for algal production. We combine recent findings about photosynthetic pathways, self-shading in photobioreactors, and developments in solid-state technology towards the biotechnological application of LEDs to microalgal production. Foundation for Science and Technology (FCT, Portugal) [CCMAR/Multi/04326/2013] Nord University Nordland County Government (project Bioteknologi en framtidsrettet naering) INTERREG V-A Espana-Portugal project [0055 ALGARED + 5E] Portuguese Foundation for Science and Technology [SFRH/BD/105541/2014, SFRH/BD/115325/2016] info:eu-repo/semantics/publishedVersion

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