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. 2014 Jun 7;9:2791–2801. doi: 10.2147/IJN.S58685

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© 2014 Pascolo 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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(A) Scanning electron microscopy image of poly-lactide-co-glycolide iron oxide nanoparticles (NPs). As evident, NPs have a regular shape, regular surface, and good homogeneity. (B) Synchrotron radiation-Fourier transform infrared spectroscopy second derivative spectra of (1) control cells, (2) cells treated with poly-lactide-co-glycolide iron oxide NPs, and (3) poly-lactide-co-glycolide iron oxide NPs alone, showing the 1,750 cm⁻¹ centered band.