Figure 2.

TEM photographs show the cellular uptake of MWCNTs. Cells were incubated overnight in media containing 50-μg/mL S- (a and b) and L-MWCNTs (c and d), and MWCNTs internalisation in MCF-7 (a and c) and RAW264.7 cells (b and d) were analysed by TEM as described in the ‘Methods’ section.

Liu et al. Nanoscale Research Letters 2012 7:361   doi:10.1186/1556-276X-7-361
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