Fig. 2From: Poly(γ-glutamic acid)-coated lipoplexes loaded with Doxorubicin for enhancing the antitumor activity against liver tumorsCytotoxicity of doxorubicin formulations on HepG2 cells after 48 h incubation with different doxorubicin concentration (n = 5). *p < 0.05, **p < 0.01, vs. free Dox. #p < 0.05, ##p < 0.01, vs. L-DoxBack to article page