Fig. (5) Absorbance (600nm; - - -) and viable counts (log10 CFU/mL; ―) of B. cereus (a) and C. albicans (b) over 8 h exposure to NPBD (µg/mL). Microbicidal activity with no proportional loss of turbidity is seen with the highest NPBD concentrations above the MIC (8 µg/mL) for both species.