Fig. 5From: In Vivo Bio-distribution and Efficient Tumor Targeting of Gelatin/Silica Nanoparticles for Gene DeliveryNormalized dose-response for cell viability of GS, GS-PEG-Apt, and GS-PEG/HA2-Apt NPs by MTT assay. Bars represent the corresponding standard deviations (n = 6)Back to article page