| PBS | Serum-free RPMI media | FeAC in PBS | CD in PBS | CD-FeAC in PBS | FeAC in serum- free RPMI media | CD in serum-free RPMI media | CD-FeAC in serum- free RPMI media | |
---|---|---|---|---|---|---|---|---|---|
Zeta potential (mV) | −4.57 ± 0.96 | −9.40 ± 1.30 | 8.17 ± 0.62 | −29.07 ± 2.03 | −4.09 ± 0.46 | 2.29 ± 1.09 | −9.18 ± 0.75 | −7.22 ± 0.45 | |
Hydrodynamic size (diameter, nm) | – | – | 202 ± 59 | 10.5 ± 1.7 | 362.3 ± 365.7 | 337 ± 77 | 20.61 ± 2.59 | 519.4 ± 110.6 | |
Polydispersity index (PDI) | – | – | 0.39 ± 0.03 | 0.63 ± 0.02 | 0.53 ± 0.02 | 0.33 ± 0.11 | 0.59 ± 0.03 | 0.43 ± 0.04 |