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. 2016 Jun 29;11:314. doi: 10.1186/s11671-016-1537-z

Fig. 9.

Fig. 9

The survival of tumor MCF-7 and HT29 cells in concentration of 1 × 104 cell/ml after incubation with the carbon-protein complexes UDD-DOX and OLC-DOX in the presence of trypsin. Cells were incubated in full medium 24 h and in presence of trypsin in serum-free medium next 24 h. Cell survival was evaluated by MTT assay