(a)
(b)
(c)
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Figure 9: Colour-coded bacterial viability within biofilm layers as a function of distance from the filter surface for an antibiotic-resistant P. aeruginosa biofilm after 48 hours of contact with the test dressings (green = viable bacteria; red = nonviable bacteria). (a) No-dressing control. (b) NCSD. (c) SNAD. (d) NGAD.