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. 2018 Aug 10;18:809. doi: 10.1186/s12885-018-4704-z

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© The Author(s). 2018

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. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 6 — NIR imaging and biodistribution of DiR-loaded liposomes (DiR-lip) in SCID mouse bearing DLD-1 tumor. a In vivo DiR fluorescent intensity in tumors of mice. b Ex vivo NIR images of tumors and different organs of each mouse. c %ID/g tissue (%) for tumor and liver. Compared with control mouse, DiR in liposomes tended to accumulate in tumors rather than liver and other organs of mouse