Fig. 5: PP disc fluorescence measurements at baseline and when re-bound with FITC-labelled vancomycin (VAN-FITC).

a Microscopic images of new and removed PPs with and without VAN-FITC. b Fluorescence levels from penile prosthesis (PP) surfaces re-bound with VAN-FITC. Baseline fluorescence levels of PPs re-bound with unlabeled vancomycin were gathered and subtracted from total fluorescence levels to account for potential autofluorescence of the PP material and the vancomycin moiety itself. PP surfaces were dipped in 2 mg/mL FITC-labelled or unlabeled vancomycin for 3 min, then rinsed in. NS for 5 s to remove any unbound vancomycin solution. Average net fluorescence levels with standard deviations are plotted, and for each PP group, n = 13. Statistical significance was determined by one-way ANOVA.