Fig. 3From: Poly(γ-glutamic acid)-coated lipoplexes loaded with Doxorubicin for enhancing the antitumor activity against liver tumorsFluorescent microscopic images of (a) Free Dox, (b) L-Dox, (c) PGA-L-Dox. Red fluorescent signals are related to Dox and blue ones correspond to DAPI. The final images show the merged Dox and DAPI ones. Scale bar is 50.0 μmBack to article page