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

Table 2

Size and surface characteristics of different DOX/𝛾-PGA ionic complexes (𝑛 = 3).

DOX : 𝛾-PGA ratio (w/w)	Particle size (𝜇m)	Polydispersity	Zeta potential (mV)
1 : 200	83 ± 14	0.45 ± 0.13	−30.6 ± 3.1
1 : 100	82.5 ± 28	0.45 ± 0.14	−39 ± 3.5
1 : 10	81 ± 11	0.39 ± 0.1	−47.7 ± 2.8
1 :1	80 ± 37	0.53 ± 0.14	−53.7 ± 1.1