ROS generation was studied using ABDA as a ROS indicator, as the absorbance of ABDA decreases upon reaction with ROS. For ROS detection, the stock solution of ABDA in DMSO was mixed with T-TPETS nanodots (1 μg/mL) and exposed to white light irradiation (250 mW/cm2). The decomposition of ABDA was monitored through variations in absorbance.
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