Figure 6
High intensity lethal photosensitization of Staph. aureus (A) suspended in 10 mM L-tryptophan â– or suspended in H2O 
and (B), suspended in D2O 
or suspended in H2O □. In this experiment an ICG concentration of 25 μg ml-1 was used and samples were pre-incubated in the dark for 10 minutes before being irradiated at a fluence rate of 1.37 W cm-2 and light dose of 82 J cm-2.