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. Author manuscript; available in PMC: 2016 Apr 28.
Published in final edited form as: Nanoscale. 2015 Apr 28;7(16):7115–7126. doi: 10.1039/c4nr06164k

Fig. 6.

Fig. 6

Histologic assessments of tumor tissues with and without photothermal treatments of Fe3O4/(DSPE-PEG-COOH) nanoparticles and control. (A) Hematoxylin and eosin (H&E) stained images; (B) terminal deoxynucleotidyl transferase nick end labeling (TUNEL) assay images. The tumor tissues were collected from PBS without laser exposure (left), Fe3O4/(DSPE-PEG-COOH) without laser exposure (middle), and Fe3O4/(DSPE-PEGCOOH) with 808-nm laser exposure (right). Scale bar: 50 μm. Reproduced with permission from146, Copyright 2013 Elsevier