Fig. 5From: Aluminium-phthalocyanine chloride nanoemulsions for anticancer photodynamic therapy: Development and in vitro activity against monolayers and spheroids of human mammary adenocarcinoma MCF-7 cellsRaman spectrum of pure AlPc powder (a) and the SERS spectra of 1 μM AlPc in S56 (b), S167 (c), S444 (d), S722 (e), and 1 μM free AlPc in water (f) Back to article page