Fig. 7From: An Efficient Cell-Targeting Drug Delivery System Based on Aptamer-Modified Mesoporous Silica NanoparticlesAbility of free DOX, MSN/Dox, and Sgc8-MSN/Dox to kill a CEM cells, b Ramos cells, c 293T cells, and d L-02 cells. e CEM cells killing ability of free aptamer, block (CEM cells first incubate sufficient Sgc8 for 2 h, then incubated with sgc8-MSN/Dox), and Sgc8-MSN/DoxBack to article page