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. Author manuscript; available in PMC: 2014 Mar 25.
Published in final edited form as: Toxicol Ind Health. 2012 Sep 25;30(6):489–498. doi: 10.1177/0748233712459914

Figure 1.

Figure 1

A). Microscopic images of dispersed MWCNTs in HaCaT cells in culture medium. 0: negative control; NP: non-purified; P: purified; FF: Carboxylate-functionalized MWCNTs. B). After 3 washings with 1x PBS.