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. 2019 Feb 28;9:3017. doi: 10.1038/s41598-019-39619-y

Figure 1.

Figure 1

Illustration of scum formation in relation with the initial cell density (OD580), in two BG11 concentrations (4x and 8X). Open squares indicate that no cell migration was observed within 6 hours, while solid squares show that scums were generated. Every experiment was done in three replicates.