Figure 6.

(a) Scheme of PTT agent with gold nanorods for SCC-7 tumor-specific imaging and therapy; (b) thermal images of tumor-bearing mice according to different laser irradiation times.; (c) histological analysis for tissue damage (right) and dark-field microscopic images of gold nanorods (below); (d) fluorescent tomographic images upon exposure to specific enzymes in cancer (1) and the inhibitor of the enzymes (2). Figures are reproduced from ref. [110] with permission from the American Chemical Society.