Two centrifuge tubes (50 ml) where filled with media and algaecells (Nannochloropsis CCMP 1779) that had been growing for 3 days. The tubes where then centrifuged at 6000 rpm for 5 minutes, and some of the supernatant was taken away. This was done to concentrate the cells approximately 8-folds. The solution was then transferred to a 24-well plate to make…