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. 2016 Sep 2;11:4357–4371. doi: 10.2147/IJN.S111029

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© 2016 Bai et al. This work is published and licensed by Dove Medical Press Limited

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TEM analysis of carboxylated MWCNT-2 (A) and MWCNT-30 (B).

Notes: The outer diameters of carboxylated MWCNT-2 and MWCNT-30 were 26±5 nm and 18±3 nm, respectively. The average length of both carboxylated MWCNTs was ~500 nm.

Abbreviations: MWCNT, multiwalled carbon nanotube; TEM, transmission electron microscopy.