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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Biomaterials. 2014 Jan;35(2):856–865. doi: 10.1016/j.biomaterials.2013.10.027

Figure 1.

Figure 1

Preparation of water soluble CNTs by coating PL-PEG-NH2. (A) Scheme of SWCNT and MWCNTs by coating PL-PEG-NH2. (B) TEM images of SWCNT, MWCNT-8, MWCNT-20 and MWCNT-50. Scale bar, 50 nm. (C) SWCNT and MWCNTs showed well dispersibility in aqueous solutions.