Table 3.

Characterization of different NLC formulations regarding size, polydispersity index (PDI), and zeta potential. Data indicated as means ± SD (n = 3).

Formulations	Blank NLCs			INS-SDS Complex Loaded NLCs
Parameters	Size (nm)	PDI	Zeta Potential (mV)	Size (nm)	PDI	Zeta Potential (mV)
PEG-ester NLC	64.3 ± 2.6	0.5	−11.3	99.3 ± 1.3	0.4	−17.4
PEG-ether NLC	143.4 ± 17.0	0.5	−20.8	134.4 ± 3.3	0.2	−19.6
PG-ester NLC	121.8 ± 3.9	0.2	−2.2	217.3 ± 8.4	0.3	−18.3