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Fig. 1 | Particle and Fibre Toxicology

Fig. 1

From: Effect of sp3/sp2 carbon ratio and hydrodynamic size on the biodistribution kinetics of nanodiamonds in mice via intravenous injection

Fig. 1

UV-Raman spectra, XRD, and HR-TEM images of low sp3/sp2 NDs (lowND) and high sp3/sp2 NDs (highND). (a) UV-Raman spectra and intensity ratio (IDia/IG = 1325 cm− 1/1590 cm− 1). (b) The XRD patterns show clear diamond peaks and graphite peaks. (c) HR-TEM images show that lowND has thicker graphitic shells than highND. The photomicrographs inserted in Fig. 1b show a color change from black-colored lowND to gray-colored highND

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