Table 1.

Characterization of chitosan–stearic acid–lactoferrin (CS-SA-Lf)/pre-miR-29b and polyethyleneimine–stearic acid–lactoferrin (PEI-SA-Lf)/pre-miR-29b polyplexes.

Polyplexes	Charge Ratio	Z-Average Diameter (nm)	Zeta Potential (mV)	EE (%)
CS-SA-Lf/pre-miR-29b	35	325.60 ± 30.99	+33.50 ± 2.31	96.35 ± 3.56
	40	432.50 ± 50.72	+37.26 ± 2.49	92.36 ± 6.70
PEI-SA-Lf/pre-miR-29b	15	289.40 ± 39.12	+10.74 ± 1.07	96.06 ± 2.81
	20	463.45 ± 47.68	+21.01 ± 3.12	94.44 ± 7.86

Abbreviations: CS, chitosan; EE, encapsulation efficiency PEI, polyethylenimine; SA, stearic acid; Lf, lactoferrin; pre-miR, microRNA percursor.