Controlled Release of Doxorubicin from Doxorubicin/𝛾-Polyglutamic Acid Ionic Complex

Figure 2

SEM images of DOX/𝛾-PGA complexes at different DOX : PGA weight ratios: (a) 1 : 100 w/w (12000×;); (b) 1 : 10 w/w (7000×); (c) 1 : 1 w/w (10000×).

(a)

(b)

(c)