Poly(β-Amino Ester)-Nanoparticle Mediated Transfection of Retinal Pigment Epithelial Cells In Vitro and In Vivo
Figure 9
Biophysical characterization of nanoparticles before and after lyophilization.
(A) Hydrodynamic diameter of freshly prepared DNA/B5-S5-E7 particles versus lyophilized particles (n = 3; bars are standard error). (B) Zeta potential of freshly prepared DNA/B5-S5-E7 particles versus lyophilized particles (n = 3; bars are standard error). Differences in particle size (p = 1) and zeta potential (p = 0.05) are not significant.