Figure 3.

Cellular uptake of MWCNTs. Cells were incubated in media containing 10-μg/mL S- and L-MWCNTs for up to 24 h. Absorbance was taken after the cells were thoroughly washed (three times) and lysed as described in the ‘Methods’ section. Experiments were performed in triplicate for three times.

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