Figure 1

(a) Disodium salt of 3,8-di(1-methoxyethyl)deuteroporphyrin IX (DMG): (b) poly-N-vinylpyrrolidone (PVP): (c) chitosan (CT).
(a) Disodium salt of 3,8-di(1-methoxyethyl)deuteroporphyrin IX (DMG): (b) poly-N-vinylpyrrolidone (PVP): (c) chitosan (CT).