Fig. 2.

Effect of PDT on expression of proinflammatory cytokines measured in wound tissue homogenates day 5 p.w.by ELISA. (U): Uninfected, (I): Untreated infected and (P): Infected wounds treated with pl-cp6 and then exposed to red light (660 ± 25 nm) (660 nm fluence of ∼60 J/cm², as described in section 2.4.