Chitosan Combined with Poly-L-arginine as Efficient, Safe, and Serum-Insensitive Vehicle with RNase Protection Ability for siRNA Delivery

Figure 1

The agarose gel electrophoresis of polymers/siRNA complexes formulated by (a) CS, (b) PLA, and (c) CS/PLA at various weight ratios.

(a)

(b)

(c)