Fig. 7From: Enhancement of oral bioavailability of doxorubicin through surface modified biodegradable polymeric nanoparticlesCalibration standard peaks at different calibration standards 1.0, 2.0, 40.0, 540.0, 1060.0, 1600, 2150, and 2500.0 ng/ml with their calibration graph (1.0–2500.0 ng/ml)Back to article page