Fig. 4
From: Alkylated EDTA potentiates antibacterial photodynamic activity of protoporphyrin
In vivo therapeutic effects of PpIX combinations on an animal model of infected ulcers. a The images of the ulcers after different treatments. b Average ulcer area of each group as a function of time. c The amount of bacteria collected at the ulcer lesions after different treatments for 3, 5, or 7 days. Data are presented as mean ± SD (n = 3). ****P < 0.0001, ***P < 0.001, **P < 0.01