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Viability of PC12 cells at different concentrations of complexes after incubation for 48 hours (MTT).
The MTT assay shows that the number of living cells gradually decreases with the increase in MWCNT complex concentration after culture for 48 hours. The experimental data are expressed as mean ± SD (n= 8), assessed by one-way analysis of variance. aP < 0.05, vs. MWCNTs-COOH. MWCNTs: Multi-walled carbon nanotubes; EDA: ethylenediamine.
