Fig. 4From: Targeted delivery of organic small-molecule photothermal materials with engineered extracellular vesicles for imaging-guided tumor photothermal therapy(a) Whole body optical imaging and (b) quantification analysis of MKN45 tumor bearing mice at different postinjection timepoints. (c) Ex vivo optical imaging and (d) quantification analysis of major organs dissected from in vivo imaged mice. (e) E8-EVs tissue distribution after 24 h injection. Scale bars, 10 μm, n = 3Back to article page