Fig. 3From: Particulate matter from car exhaust alters function of human iPSC-derived microgliaRepresentative images of iMGLs after 0, 24, or 24 h after treatment with vehicle or 10–300 µg ml−1 a EN-PM or b CNG-PM and Cytotox Green Reagent labeling dead cells. As a positive control (PC: 400 µM 1-methyl-4-phenylpyridinium) was used to kill cells over time. Scale bar 400 µmBack to article page