Preparation and In Vivo Expression of CS-PEI/pCGRP Complex for Promoting Fracture Healing

Figure 3

Physical properties of CS-PEI/pCGRP with different mass ratios of CS-PEI to pCGRP. (a) Particle size and (b) zeta potential of different CS-PEI/pCGRP nanoparticles.

(a)

(b)