Journal
LAB ON A CHIP
Volume 21, Issue 10, Pages 2027-2039Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0lc01250e
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Funding
- Research Council of Norway [239001]
- NV faculty at the Norwegian University of Science and Technology
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Phytoplankton, key primary producers in the aquatic food chain, are crucial for ecosystem functioning and have potential for commercial applications. The nanocosm, a LED-based micro-scale photobioreactor, allows simultaneous testing of multiple variables and ensures homogeneous experimental conditions.
Phytoplankton are key primary producers at the bottom of the aquatic food chain. They are a highly diverse group of organisms essential for the functioning of our ecosystems and because of their characteristics, their biomass is considered for various commercial applications. A full appreciation of their abundance, diversity and potential is only feasible by using systems that enable simultaneous testing of strains and/or variables in a fast and easy way. A major bottleneck is the lack of a cost-effective method with the capacity for complex experimental set-ups that enable fast and reproducible screening and analysis. In this study, we present nanocosm, a versatile LED-based micro-scale photobioreactor (PBR) that allows simultaneous testing of multiple variables such as temperature and light within the same plate. Every well can be independently controlled for intensity, temporal variation and light type (RGB, white, UV). We show that our systems guarantee homogeneous conditions because of controlled temperature and evaporation and adjustments for light crosstalk. By ensuring controlled environmental conditions the nanocosm is suitable for running factorial experimental designs where each well can be used as an independent micro-PBR. To validate culture performances, we assess well-to-well reproducibility and our results show minimal well-to-well variability for all the conditions tested. Possible modes of operation and application are discussed together with future development of the system.
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