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. 2016 Dec 5;2:5. doi: 10.1038/s41522-016-0005-y

Fig. 3.

Fig. 3

MSD profiles of 1 μm fluorescent beads within bottom, middle and top biofilm layers of 24 h (a, c) and 48 h (b, d) Pseudomonas fluorescens biofilms grown at 0 mM (a, b) and 15 mM (c, d) CaCl2 environments