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. 2015 Nov 6;10:6943–6953. doi: 10.2147/IJN.S82778

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© 2015 Zhang 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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XRD patterns and radio-opacity of the I-doped CDs.

Notes: (A) XRD patterns of the I-doped CDs. The inset represents the heterogeneous multilayer of the I-doped CDs, corresponding to characteristic diffraction peaks. (B) In vitro CT imaging of the I-doped CDs with different iodine concentrations from 0.05 to 0.2 mg/mL. (C) The measured CT value of the five samples as a function of iodine concentration.

Abbreviations: XRD, X-ray diffraction; I-doped CDs, iodine-doped carbon dots; CT, computed tomography.