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Lipid peroxidation detected by BODIPY™ 581/591 C-11 sensor. Confocal micrographs of A375 cells inoculated with (A–D) PpIX-PSilQ nanoparticles or (E–H) PpIX after light irradiation. The red channel depicts the presence of BODIPY 581/591 C-11 (A,E). The green channel shows the fluorescence corresponding to the oxidized version of BODIPY 581/591 C-11 (B,F). Merged image of the red and green channels (C,G) with the brightfield image (D,H). Scale bar = 50 µm.
