Fig. 2
From: pH-stimuli-responsive doxorubicin release and stability in chitosan–Eudragit nanocarriers

The interactions between DOX and the nanocarrier are displayed on the energy graph of the AA-MD simulation approach at (a) pH = 5 and (b) pH = 7. It also shows the hydrogen bonds between DOX and the nanocarrier at (c) pH = 5 and (d) pH = 7.