Fig. 5
From: Near-infrared photoresponsive drug delivery nanosystems for cancer photo-chemotherapy
(Reproduced from Ref. [86] with permission from American Chemical Society, copyright 2018)
a Schematic illustration of synthesis and mechanism of RBC membrane-coated dimeric prodrug DDSs with NIR light triggered on-demand drug release for synergistic PDT/chemotherapy. b Schematic illustration of mechanism of 1O2 induced activation of PTX2-dithioketal prodrug. c The degradation of PTX2-dithioketal in DDSs over time upon irradiated by 638Â nm laser lamp (100Â mW/cm2) tested by high-performance liquid chromatography (HPLC)