Figure 4: CLSM images of the S. aureus biofilm on 317L SS after 0.5 d (a1–a3), 1 d (b1–b3), 3 d (c1–c3) and 5 d (d1–d3) of incubation, and on 317L-Cu SS after 0.5 d (e1–e3), 1 d (f1–f3), 3 d (g1–g3) and 5 d (h1–h3) of incubation.

(Left column for stained live cells only, middle column stained dead cells only and the right column for both). (Scale bar = 50 μm).