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. 2014 Sep 9;8:1287–1297. doi: 10.2147/DDDT.S65696

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© 2014 Liu et al. This work is published by Dove Medical Press Limited, and licensed under Creative Commons Attribution – Non Commercial (unported, v3.0) License

The full terms of the License are available at http://creativecommons.org/licenses/by-nc/3.0/. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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Optical properties of NIR-27.

Notes: (A and B): The absorption and emission spectra of NIR-27 (2 μM) in methanol (MeOH), PBS, and 100% FBS (serum). (C) Fluorescent image of NIR-27 and ICG (10 μM) in PBS, methanol, and 100% FBS. (D) Fluorescence stability of NIR-27 and ICG (10 μM) in 100% FBS at 37°C for 96 hours. Each valid point and vertical bar shows mean ± SD (n=3).

Abbreviations: FBS, fetal bovine serum; ICG, indocyanine green; NIR-27, heptamethine indocyanine dye; PBS, phosphate-buffered saline; SD, standard deviation.