A, B, C, D, E, F) MTT assay on biofilm formed by PA-WT and PA-M treated using gentamicin, streptomycin and ampicillin G) The MTT wells for PA-WT and PA-M, where PA-M did not develop any purple formazan product denoting the absence of viable cells. H) Difference in the dry weight of biomass obtained in a catheter represented using violin plots. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)