Chitosan Combined with Poly-L-arginine as Efficient, Safe, and Serum-Insensitive Vehicle with RNase Protection Ability for siRNA Delivery
Figure 2
Zeta potential ((a)–(c)) and size ((d)–(f)) at pH 6.4 (filled circle) and pH 7.4 (blank circle) of the polyplexes at various weight ratios. Data are presented as the mean SD ().
