Fig. 7From: Lipid nanoemulsions and liposomes improve photodynamic treatment efficacy and tolerance in CAL-33 tumor bearing nude miceH&E stain of CAL-33 tumors. a Untreated control tumor. Tumor 48 h after PDT with Foscan (b), Lipidot (c) and Foslip (d). Laser light irradiation 20 J/cm2. Asterisk (b, c) : tumor tissue. a, d: only tumor tissueBack to article page