Fig. 7From: Folic acid-conjugated magnetic triblock copolymer nanoparticles for dual targeted delivery of 5-fluorouracil to colon cancer cellsA Protein expression detected by Western blot. B effects of drug-free NPs-FA, 5-FU, and 5-FU-loaded NPs-FA on relative protein expression of Bax and Bcl-2; C Bax/Bcl-2 ratio in tumoral mice after 48 h of treatments. *P < 0.05; **P < 0.01Back to article page