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. 2012 Jun 18;7(1):309. doi: 10.1186/1556-276X-7-309

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Copyright ©2012 Ruan et al.; licensee Springer.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Evaluation of FMNP-labeled MSCs. (A) Cell nucleuses and FMNPs were visible in the MSCs by fluorescent microscope observation (×200); (B) FMNP-labeled MSCs were detected by using Prussian blue staining (×100); (C) Unlabeled MSCs were detected by using Prussian blue staining (×100); (D) The TEM image of unlabeled MSCs. (E) The TEM image of FMNP-labeled MSCs illustrates that amino-modified FMNPs were randomly distributed in the cytoplasm of MSCs (×6,000). (F) The magnification image of FMNPs distributed in the cytoplasm of MSCs (×12,000).