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. Author manuscript; available in PMC: 2013 Dec 10.
Published in final edited form as: J Control Release. 2012 Oct 12;164(2):236–246. doi: 10.1016/j.jconrel.2012.10.007

Fig. 5.

Fig. 5

Cytotoxicity profile of coated Au nanorods (NRs) based on a MTT viability assay, after a 24-h exposure to various cell types: (■) LLC-PK1 cells; (□) HepG2 cells; (▲) KB cells. Left, CTAB-stabilized NRs; middle, PSS-treated NRs, 11 weeks after purification; (c) right, NRs before (▲) and after (Δ) two more rounds of PSS treatment (KB cells only). MTT viability data normalized with respect to a media-only control. © 2008 American Chemical Society (reprinted with permission) [99].