Delivery of miRNA-29b Using R9-LK15, a Novel Cell-Penetrating Peptide, Promotes Osteogenic Differentiation of Bone Mesenchymal Stem Cells

Table 2

The particle size and zeta potential of the miR-29b and R9-LK15 complex.

R9-LK15/miR-29b; molar ratio	Particle size (nm)	Zeta potential (mV)
0:1	450.32±57.39	-18.67±0.60
1:1	247.20±47.26	-1.85±0.26
2:1	145.27±9.81	19.77±0.93
3:1	68.13±8.74	25.80±0.93
4:1	121.47±15.12	25.53±4.50
7:1	121.60±19.15	29.07±8.62