Fig. 5From: An Efficient Cell-Targeting Drug Delivery System Based on Aptamer-Modified Mesoporous Silica NanoparticlesIn vitro targeting of leukemia cells by Sgc8-MSN/Dox analyzed using a flow cytometry and b fluorescence microscopy. CCRF-CEM and Romas cells were incubated with MSN/Dox orSgc8-MSN/Dox, and then stained with DAPI (blue). Dox appeared red. Scale bar, 100 μmBack to article page