In Vitro Cytotoxicity and Antitumor Activity of Dual-Targeting Drug Delivery System Based on Modified Magnetic Carbon by Folate

Figure 6

Cell viability of HeLa cells after coincubation with series concentrations of DOX (a), MTDDS@DOX (b), and DTDDS@DOX (c) for 24 and 48 h.

(a)

(b)

(c)