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. 2016 Feb 12;11:85. doi: 10.1186/s11671-016-1288-x

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© Chen et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 6 — In vivo photoacoustic imaging. a B-scan and b 3D ultrasound (US) and PA images of the tumor region obtained at 1, 3, 6, 24, and 48 h post tail vein injection of rNGO-PEG/ICG. The US images delineated the skin and tumor boundaries, while the PA images showed the accumulation and distribution of the nanocomposite within the tumor region