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. Author manuscript; available in PMC: 2011 Jul 11.
Published in final edited form as: Nano Today. 2009 Jun;4(3):252–261. doi: 10.1016/j.nantod.2009.04.002

Fig. 3.

Fig. 3

Validation of the in vivo PAT images by ex vivo Raman microscopy. Photographs of the tumors in mice and the corresponding photoacoustic subtraction images (green) shown as horizontal slices through the tumors. After the photoacoustic scan, the tumors were excised and scanned using a Raman microscope (red). Mice injected with unconjugated SWCNT showed both low photoacoustic and Raman signals compared with mice injected with SWCNT-RGD. (Reprinted with permission from 79. © 2008 Nature Publishing Group.)