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. 2015 Apr 13;10:2895–2911. doi: 10.2147/IJN.S76312

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© 2015 Zhao 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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Transmission electron microscopy photomicrograph (magnification 50,000×) (A) and particle size distribution (B) of the pFDNA-SiO₂-NPs.

Abbreviation: pFDNA-SiO₂-NPs, Newcastle disease virus F gene encapsulated in the SiO₂ nanoparticles.